Underground alarm information generation method, device and equipment based on AI analysis platform

Abstract

The embodiment of the specification provides a downhole alarm information generation method, device and equipment based on an AI analysis platform. The scheme comprises the following steps: obtaining a first oxygen concentration value collected by a first sensor in a mine; judging whether the first oxygen concentration value is within a standard oxygen concentration range; if the first oxygen concentration value is not within the standard oxygen concentration range, judging whether a risk degree corresponding to the first oxygen concentration value is greater than or equal to a preset risk degree; if the risk degree corresponding to the first oxygen concentration value is greater than or equal to the preset risk degree, generating first alarm information for reflecting that a worker needs to immediately evacuate the mine; and if the risk degree corresponding to the first oxygen concentration value is less than the preset risk degree, generating second alarm information for reflecting that the mine needs to be checked. The scheme can reduce unnecessary safety warnings and the frequency of coal mining interruptions, thereby improving the efficiency of coal production.

Description

Technical Field

[0001] This application relates to the field of intelligent safety detection technology in the coal industry, and particularly to a method for generating underground alarm information based on an AI analysis platform. This application also relates to an underground alarm information generation device and an underground alarm information generation equipment based on an AI analysis platform. Background Technology

[0002] In coal mining, the oxygen content within the mine is a crucial indicator for ensuring the safety of miners and the normal operation of production. To achieve real-time and accurate monitoring of oxygen concentration in the mine, multiple high-sensitivity oxygen detection sensors are typically deployed in key areas. These sensors continuously collect underground oxygen data, promptly reflecting changes in oxygen levels within the mine and ensuring rapid early warning when oxygen levels are abnormal, thus safeguarding personnel and equipment safety.

[0003] However, due to limitations in sensor technology, environmental interference, or equipment aging, some sensors may produce false alarms. False alarms not only cause frequent triggering of safety warning systems, leading to unnecessary personnel evacuations and mining shutdowns, but also severely impact the efficiency and economic benefits of coal production.

[0004] Therefore, how to effectively identify false alarms from sensors and improve the efficiency of coal production has become an urgent technical problem to be solved. Summary of the Invention

[0005] In view of this, embodiments of this application provide a method, apparatus, and device for generating downhole alarm information based on an AI analysis platform to solve the problem of the inability to effectively identify false alarms from sensors.

[0006] According to a first aspect of the embodiments of this application, a method for generating underground alarm information based on an AI analysis platform is provided, comprising: acquiring a first oxygen concentration value collected by a first sensor in the mine; determining whether the first oxygen concentration value is within a standard oxygen concentration range, and obtaining a first determination result; if the first determination result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level, and obtaining a second determination result; if the second determination result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, generating a first alarm information reflecting that the workers need to immediately evacuate the mine; if the second determination result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level, generating a second alarm information reflecting that the mine needs to be inspected.

[0007] According to a second aspect of the embodiments of this application, an underground alarm information generation device based on an AI analysis platform is provided, comprising: an acquisition module for acquiring a first oxygen concentration value collected by a first sensor in the mine; a first judgment module for judging whether the first oxygen concentration value is within a standard oxygen concentration range, and obtaining a first judgment result; a second judgment module for judging whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level if the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, and obtaining a second judgment result; a first generation module for generating a first alarm information reflecting that the workers need to immediately evacuate the mine if the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level; and a second generation module for generating a second alarm information reflecting that the mine needs to be inspected if the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0008] According to a third aspect of the embodiments of this application, an underground alarm information generation device based on an AI analysis platform is provided, comprising: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to: acquire a first oxygen concentration value collected by a first sensor in the mine; determine whether the first oxygen concentration value is within a standard oxygen concentration range, obtaining a first determination result; if the first determination result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level, obtaining a second determination result; if the second determination result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, generate a first alarm information reflecting that the workers need to immediately evacuate the mine; if the second determination result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level, generate a second alarm information reflecting that the mine needs to be inspected.

[0009] At least one embodiment in this specification achieves the following beneficial effects: When the oxygen concentration value collected by the sensor is outside the standard range, it is necessary to further assess whether the risk level corresponding to the oxygen concentration value reaches or exceeds a preset risk level. If the risk level corresponding to the concentration value is greater than or equal to the preset risk level, a first alarm message is generated to prompt the workers to evacuate the mine immediately, thereby ensuring personnel safety; if the risk level corresponding to the concentration value is less than the preset risk level, a second alarm message is generated to prompt an inspection of the mine. This judgment mechanism not only avoids triggering the first alarm message prompting the workers to evacuate immediately every time the oxygen concentration value is abnormal, but also effectively identifies possible false alarms from the sensor, thereby reducing the frequency of unnecessary safety warnings and coal mining interruptions, and ultimately improving the efficiency of coal production. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments or prior art of this specification, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a flowchart illustrating a method for generating downhole alarm information based on an AI analysis platform, as provided in the embodiments of this specification.

[0012] Figure 2 This is an environmental schematic diagram of a first installation environment for installing the first sensor, provided in the embodiments of this specification.

[0013] Figure 3 This is a schematic diagram of a second installation environment for installing the first sensor, provided in the embodiments of this specification.

[0014] Figure 4 This is a schematic diagram of a third installation environment for installing the first sensor, provided in the embodiments of this specification.

[0015] Figure 5 This is a schematic diagram of the fourth installation environment for installing the first sensor provided in the embodiments of this specification;

[0016] Figure 6 This is a schematic diagram of the environmental image corresponding to the installation location of the environmental parameter sensor provided in the embodiments of this specification;

[0017] Figure 7 This is a schematic diagram of a downhole alarm information generation device based on an AI analysis platform provided in the embodiments of this specification;

[0018] Figure 8 This is a schematic diagram of the structure of a downhole alarm information generation device based on an AI analysis platform, as provided in the embodiments of this specification. Detailed Implementation

[0019] Numerous specific details are set forth in the following description to provide a full understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0020] The terminology used in one or more embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the scope of one or more embodiments of this application. The singular forms “a,” “the,” and “the” used in one or more embodiments of this application and in the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” used in one or more embodiments of this application refers to and includes any or all possible combinations of one or more associated listed items.

[0021] It should be understood that although the terms first, second, etc., may be used to describe various information in one or more embodiments of this application, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, first may also be referred to as second without departing from the scope of one or more embodiments of this application, and similarly, second may also be referred to as first. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to a determination."

[0022] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, data stored, data displayed, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties. Furthermore, the collection, use and processing of the relevant data must comply with the relevant laws, regulations and standards of the relevant regions, and corresponding operation entry points are provided for users to choose to authorize or refuse.

[0023] First, the terms and concepts used in one or more embodiments of this specification will be explained.

[0024] An AI analytics platform is a comprehensive software system or service platform built on artificial intelligence technology. It can automatically collect, process, and analyze large amounts of data, uncovering potential patterns and value within the data to assist users in making informed decisions. This platform typically integrates various AI algorithms such as machine learning, deep learning, and natural language processing, and features data preprocessing, model training, real-time analysis, and visualization capabilities. It is widely used in fields such as industrial monitoring, risk assessment, intelligent prediction, and anomaly detection.

[0025] Currently, in coal production, when sensors detect abnormal oxygen concentrations, the system typically issues an evacuation alarm immediately, requiring workers to evacuate the mine quickly to ensure their safety. However, due to limitations in sensor performance, the complex and variable mine environment, and the increasing age of the equipment, false alarms may occur during actual operation. These false alarms can lead to frequent emergency evacuations and mining interruptions, severely impacting coal production efficiency.

[0026] The technical solutions provided in the various embodiments of this specification are described in detail below with reference to the accompanying drawings.

[0027] Figure 1 This is a flowchart illustrating a method for generating downhole alarm information based on an AI analysis platform, as provided in the embodiments of this specification.

[0028] From a procedural perspective, the entity executing the process can be a program mounted on the alarm information generation device. It can be understood that this method can be executed by any device, equipment, platform, or cluster of devices with computing and processing capabilities.

[0029] like Figure 1 As shown, the process may include the following steps.

[0030] Step 102: Obtain the first oxygen concentration value collected by the first sensor in the mine.

[0031] In the embodiments of this specification, the mine can be a coal mine for coal mining, the first sensor can be any one or more sensors installed in the coal mine for collecting oxygen concentration in the mine, and the first oxygen concentration value can be the real-time oxygen concentration value collected by the first sensor, or the first oxygen concentration value can be the average oxygen concentration value collected by the first sensor over a period of time.

[0032] In the embodiments of this specification, the method by which the analysis system based on the AI ​​analysis platform obtains the first oxygen concentration value may include: firstly, the analysis system sends an oxygen concentration value acquisition command to the first sensor, and the first sensor, in response to the acquisition command, sends the first oxygen concentration value to the analysis system. Alternatively, the first sensor may also actively feed back the first oxygen concentration value to the analysis system according to a preset rule. The preset rule may be that the first sensor feeds back the first oxygen concentration value to the analysis system in real time, or that the first sensor feeds back the first oxygen concentration value to the analysis system at certain time intervals.

[0033] Step 104: Determine whether the first oxygen concentration value is within the standard oxygen concentration range to obtain the first determination result.

[0034] In the embodiments described in this specification, the standard oxygen concentration range can be a safe range of oxygen concentration values ​​derived from actual underground production experience and long-term safety management data. The standard oxygen concentration range reflects the safe fluctuation range of oxygen concentration in the underground environment while ensuring the safety of workers and maintaining normal coal mine production. In practical applications, by comprehensively analyzing historical monitoring data, accident cases, and specific mine conditions, scientifically determining this standard oxygen concentration range allows for setting reasonable thresholds for sensor alarm systems. This effectively prevents safety accidents caused by abnormal oxygen content and avoids the risk of unnecessary production interruptions due to overly conservative settings.

[0035] Step 106: If the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, then determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, and obtain the second judgment result.

[0036] In the embodiments of this specification, the first oxygen concentration value not being within the standard oxygen concentration range can be expressed as follows: the first oxygen concentration value is less than or equal to the minimum value of the standard oxygen concentration range, which reflects the risk of oxygen deficiency in the mine; or, the first oxygen concentration value is greater than or equal to the maximum value of the standard oxygen concentration range, which reflects the risk of oxygen enrichment in the mine.

[0037] In the embodiments of this specification, the risk level corresponding to the first oxygen concentration value can be understood as a safety risk level determined in two ways: First, the safety risk level is assessed based on the deviation of the first oxygen concentration value from a pre-set standard oxygen concentration range; the further the first oxygen concentration value deviates from the standard oxygen concentration range, the higher the safety risk level. Second, the reliability of the first oxygen concentration value can also be assessed by combining the accuracy of the sensor, environmental interference, and data stability to determine the reliability of the oxygen concentration value, thereby determining the corresponding safety risk level. In practical applications, the risk level corresponding to the first oxygen concentration value can also be assessed by combining the safety risk levels obtained from the first and second methods, thus more scientifically and reasonably reflecting the safety status of the oxygen environment in the mine, and enabling timely and effective safety response measures to be taken.

[0038] In practical applications, the preset risk level can be used to indicate the risk level that requires the immediate evacuation of workers from the mine.

[0039] Step 108: If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, then generate a first alarm message to reflect that the workers need to evacuate the mine immediately.

[0040] Step 110: If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level, then a second alarm message is generated to reflect that the mine needs to be inspected.

[0041] In the embodiments of this specification, when the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, a first alarm message can be generated to prompt the organizing personnel to evacuate from the mine immediately; when the risk level corresponding to the first oxygen concentration value is less than the preset risk level, a second alarm message can be generated instead of the first alarm message to prompt the need to conduct a safety inspection of the environment and equipment in the mine.

[0042] It should be understood that the order of some steps in the methods described in one or more embodiments of this specification may be interchanged according to actual needs, or some steps may be omitted or deleted.

[0043] Figure 1The method described herein allows for the identification of false alarms when a sensor reporting an oxygen concentration exceeding the standard range is detected. If the risk level assessed based on this oxygen concentration is lower than a preset risk level, the alarm is considered a false alarm. In this case, instead of triggering a Level 1 alarm requiring immediate evacuation of personnel, a Level 2 alarm is generated, indicating the need for further inspection of the mine environment. This tiered alarm mechanism effectively reduces the number of emergency responses caused by false alarms, thereby minimizing mine shutdowns due to false alarms, ensuring the continuity and safety of mine operations, and ultimately improving coal mining efficiency.

[0044] based on Figure 1 In addition to the method described herein, this specification also provides some specific implementation methods of the method, which will be described below.

[0045] In one optional embodiment of this specification, the minimum value of the standard oxygen concentration range is a first threshold, and the maximum value of the standard oxygen concentration range is a second threshold; the generation of the first alarm information reflecting the need for immediate evacuation of the mine may specifically include: if the first oxygen concentration value is less than or equal to the first threshold, generating the first alarm information reflecting the risk of oxygen deficiency in the mine; if the first oxygen concentration value is greater than or equal to the second threshold, generating the first alarm information reflecting the risk of oxygen enrichment in the mine.

[0046] In the embodiments described in this specification, oxygen-deficient environments are typically accompanied by a decrease in gas concentration and physiological reactions such as difficulty breathing, posing a direct threat to human health. While oxygen-enriched environments do not immediately cause suffocation or difficulty breathing, their potential fire and explosion risks still require high vigilance. Therefore, to ensure that workers and safety managers can quickly understand the meaning of the alarm information and take effective countermeasures, the first alarm information for oxygen deficiency risk and the first alarm information for oxygen enrichment risk can usually be displayed in different formats. In practical applications, in addition to differences in the displayed text content and voice broadcast content, the first alarm information for oxygen deficiency risk and the first alarm information for oxygen enrichment risk can also be differentiated through different visual effects. For example, the first alarm information for oxygen deficiency risk can use animations or images containing physiological reactions, such as images of people experiencing difficulty breathing, to vividly demonstrate the physiological hazards caused by oxygen deficiency, thereby enhancing visual impact. The display of the first alarm information for oxygen enrichment risk can convey information through images of potential dangers such as flames and explosions, for example, dynamic effects including explosion or fire scenes, reminding personnel of the potential dangers of excessively high oxygen concentrations.

[0047] In this embodiment, when the detected oxygen concentration value in the mine is less than or equal to a preset first threshold, it indicates that the oxygen content in the mine is below the safety standard range, posing a potential risk of oxygen deficiency. At this time, the system generates a first alarm message for oxygen deficiency risk, alerting workers and managers that the mine environment may be dangerous due to insufficient oxygen, requiring timely implementation of appropriate safety measures to prevent asphyxiation or other safety accidents caused by oxygen deficiency. Conversely, when the first oxygen concentration value is greater than or equal to a preset second threshold, it indicates that the oxygen concentration in the mine exceeds the upper limit of the safety standard, posing a potential risk of oxygen enrichment. Therefore, the system also generates a first alarm message for oxygen enrichment risk, reminding relevant personnel to pay attention to the oxygen enrichment status in the mine and take effective preventative measures to ensure operational safety. By comparing and judging the first oxygen concentration value with two key thresholds, the system can promptly identify different types of abnormal oxygen conditions in the mine and issue corresponding safety warnings, thereby effectively protecting the lives of mine workers and the overall operational safety of the mine.

[0048] Typically, multiple sensors are installed in mines to detect oxygen concentration. When the first oxygen concentration value collected by the first sensor is not within the standard oxygen concentration range, the risk level corresponding to the first oxygen concentration value can be assessed by combining the oxygen concentration values ​​collected by other sensors to determine whether it is greater than or equal to the preset risk level.

[0049] Optionally, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level may specifically include: obtaining the location information of the first sensor; based on the location information, obtaining the second oxygen concentration value collected by a second sensor adjacent to the first sensor; and based on the second oxygen concentration value, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level.

[0050] In the embodiments described in this specification, when installing sensors for detecting oxygen concentration in a mine, the installation location information and sensor number information of each sensor can be recorded in advance, and a correspondence between the sensor installation location information and the sensor number information can be established in advance. The sensor number information can be carried in the transmission information containing the oxygen concentration value sent by the sensor to the analysis system.

[0051] Optionally, obtaining the location information of the first sensor may include parsing the sensor number information of the sensor that sent the first oxygen concentration value from the received information where the first oxygen concentration value is located, querying the correspondence between the sensor's installation location information and the sensor number information based on the sensor number information, and obtaining the location information of the sensor.

[0052] In this embodiment of the specification, after obtaining the location information of the first sensor, the second sensor adjacent to the first sensor can be determined based on the pre-stored installation location information for each sensor, and the second oxygen concentration value collected by the second sensor can be obtained. The reliability of the first oxygen concentration value is evaluated based on the second oxygen concentration value, and this is used to determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level.

[0053] The second sensor adjacent to the first sensor can be located either upwind or downwind of the first sensor. Therefore, the judgment method used for the second sensor in different locations is also different.

[0054] In a scenario where the second sensor is located upwind of the first sensor, and the first oxygen concentration value collected by the first sensor is less than or equal to the first threshold, i.e., the risk reflected by the first oxygen concentration value is the risk of hypoxia.

[0055] Optionally, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value specifically includes: determining whether the second oxygen concentration value is within the standard oxygen concentration range to obtain a third determination result; if the third determination result indicates that the second oxygen concentration value is within the standard oxygen concentration range, then determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the oxygen concentration difference between the second oxygen concentration value and the first oxygen concentration value. The risk level corresponding to the first oxygen concentration value being less than the preset risk level specifically includes: if the oxygen concentration difference is greater than or equal to a third threshold, then it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0056] Based on the laws of natural aerodynamics, it is known that the oxygen concentration in a mine will gradually decrease along the wind direction. That is, the oxygen concentration at the upwind position is higher than the oxygen concentration at the downwind position, and the decrease in oxygen concentration from the upwind position to the downwind position should be less than a preset threshold.

[0057] In this embodiment, a second oxygen concentration value collected by a second sensor is obtained. It is then determined whether the second oxygen concentration value is within the standard oxygen concentration range. If the second oxygen concentration value is not within the standard oxygen concentration range, specifically, if the second oxygen concentration value is less than or equal to the first threshold, then the risk of oxygen deficiency in the mine can be inferred from the second oxygen concentration value. In other words, if the risk of oxygen deficiency in the mine is also inferred from the second oxygen concentration value, then the assessment result of the risk of oxygen deficiency in the mine inferred from the first oxygen concentration value is highly reliable, meaning that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0058] If the second oxygen concentration value is within the standard oxygen concentration range, then no risk of oxygen deficiency in the mine can be inferred from the second oxygen concentration value, but a risk of oxygen deficiency can be inferred from the first oxygen concentration value. Therefore, to further assess the reliability of this assessment result inferred from the first oxygen concentration value, it can be evaluated by determining whether the difference in oxygen concentration between the second and first oxygen concentration values, i.e., the magnitude of the decrease in oxygen concentration, conforms to the laws of natural aerodynamics.

[0059] If the concentration difference between the second oxygen concentration value and the first oxygen concentration value is less than the third threshold, that is, the decrease in oxygen concentration conforms to the laws of natural aerodynamics, then the assessment result of the risk of oxygen deficiency in the mine inferred from the first oxygen concentration value is highly credible, that is, the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0060] If the concentration difference between the second oxygen concentration value and the first oxygen concentration value is greater than or equal to the third threshold, that is, the decrease in oxygen concentration does not conform to the laws of natural aerodynamics, then the reliability of the assessment result that infers the risk of oxygen deficiency in the mine based on the first oxygen concentration value is low, that is, the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0061] In the embodiments of this specification, the second oxygen concentration value collected by the second sensor located upwind of the first sensor can be used to assess the reliability of the hypoxia risk inferred based on the first oxygen concentration value, thereby effectively reducing the probability of false alarms of hypoxia risk caused by the oxygen concentration value collected by the first sensor.

[0062] However, the initial oxygen concentration value collected by the first sensor may be affected by the installation environment. In certain special scenarios, the decrease in oxygen concentration may not conform to the laws of natural aerodynamics. Although this violates the laws of natural phenomena, it does not necessarily mean that the reliability of the hypoxia risk inferred from the initial oxygen concentration value is low. In other words, despite this anomaly, due to interference from the installation environment or special conditions, the initial oxygen concentration value may still accurately reflect the actual risk situation. Therefore, denying the validity of the risk assessment corresponding to the initial oxygen concentration value solely based on this anomaly may lead to underreporting and thus endanger the safety of personnel and equipment.

[0063] Optionally, the step of determining that if the oxygen concentration difference is greater than or equal to a third threshold, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level. Specifically, this may include: obtaining the spatial environment corresponding to the location information based on the location information of the first sensor; determining whether the ventilation conditions of the spatial environment meet preset requirements; if the ventilation conditions of the spatial environment meet the preset requirements, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level; if the ventilation conditions of the spatial environment do not meet the preset requirements, it indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0064] In the embodiments of this specification, the method of obtaining the spatial environment corresponding to the location information may include querying the spatial environment corresponding to the location information from a pre-established digital twin system. The digital twin system is a highly simulated virtual environment constructed based on the real physical environment within the mine. By collecting and synchronizing various data in the mine in real time, it achieves dynamic simulation and monitoring of the mine's operating status, environmental changes, and equipment conditions. Meeting the preset ventilation requirements of the spatial environment can be understood as the first sensor being installed in a relatively wide and straight main road environment within the mine; failing to meet the preset ventilation requirements can be understood as the first sensor being installed in a narrow branch road environment within the mine with a large curvature or many turns.

[0065] Figure 2 This is a schematic diagram of a first installation environment for installing the first sensor, provided in the embodiments of this specification.

[0066] In the embodiments described in this specification, such as Figure 2 As shown, the first sensor 201 is installed in a branch environment with a large curvature. Since the airflow in this branch environment is lower than that in the main road environment, the probability of a lower oxygen concentration is higher. In this case, even if the decrease in oxygen concentration from the installation position of the second sensor 202 to the installation position of the first sensor 201 does not conform to the laws of natural aerodynamics, this situation is still reasonable and practical. In other words, it is normal for the concentration difference between the second and first oxygen concentration values ​​to be greater than or equal to a third threshold, indicating that the accuracy and reliability of the first oxygen concentration value are high. Therefore, it can be inferred that there is a high risk of oxygen deficiency in the environment surrounding the first sensor 201, and the risk level corresponding to its first oxygen concentration value is likely greater than or equal to a preset risk level, thus prompting attention to and timely response to the oxygen deficiency risk in this environment.

[0067] In the embodiments described in this specification, by further observing the installation environment of the first sensor, after assessing the reliability of the hypoxia risk inferred from the first oxygen concentration value based on the second oxygen concentration value, a more detailed risk assessment can be conducted. This further assessment can effectively reduce the possibility of hypoxia risk being missed due to the oxygen concentration value collected by the first sensor, thereby improving the safety of personnel and equipment.

[0068] In a scenario where the second sensor is located upwind of the first sensor, and the first oxygen concentration value collected by the first sensor is greater than or equal to the second threshold, i.e., the risk reflected by the first oxygen concentration value is an oxygen-rich risk.

[0069] Optionally, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value may specifically include: determining whether the second oxygen concentration value is within the range of the standard oxygen concentration to obtain a fifth determination result; the risk level corresponding to the first oxygen concentration value being less than the preset risk level may specifically include: if the fifth determination result indicates that the second oxygen concentration value is within the range of the standard oxygen concentration, then it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0070] In the embodiments described in this specification, if the second sensor is installed upwind of the first sensor, according to the laws of natural aerodynamics, the second oxygen concentration value should be higher than the first oxygen concentration value. However, if it is determined that the second oxygen concentration value is within the standard oxygen concentration range, but the first oxygen concentration value is greater than or equal to the maximum value of the standard oxygen concentration range (the second threshold), that is, the second oxygen concentration value is actually lower than the first oxygen concentration value, then this situation clearly violates the laws of natural phenomena. Therefore, this unexpected result indicates that there may be a risk of data error between the second and first oxygen concentration values. In this case, the reliability of the oxygen-enrichment risk inferred from the first oxygen concentration value is significantly reduced, so it can be inferred that the risk level corresponding to the first oxygen concentration value is likely lower than the preset risk level.

[0071] In the embodiments of this specification, the reliability of the oxygen enrichment risk inferred based on the first oxygen concentration value can be assessed by using the second oxygen concentration value collected by the second sensor located upwind of the first sensor. This can effectively reduce the false alarm probability of oxygen enrichment risk caused by the oxygen concentration value collected by the first sensor.

[0072] However, the initial oxygen concentration value collected by the first sensor may be affected by external environmental factors. In certain special scenarios, the second oxygen concentration value may be lower than the first. Although this violates the laws of nature, it does not necessarily mean that the reliability of the oxygen-enrichment risk inferred based on the first oxygen concentration value is low. In other words, despite this anomaly, due to interference from the external environment or special conditions, the first oxygen concentration value may still accurately reflect the actual risk situation. Therefore, denying the validity of the risk assessment corresponding to the first oxygen concentration value solely based on this anomaly may lead to underreporting and thus endanger the safety of personnel and equipment.

[0073] Optionally, if the fifth judgment result indicates that the second oxygen concentration value is within the standard oxygen concentration range, then the risk level corresponding to the first oxygen concentration value is less than the preset risk level. Specifically, this can include: obtaining the surrounding environmental information of the first sensor based on the location information of the first sensor; determining whether there is an oxygenation device in the environment corresponding to the surrounding environmental information; if there is no oxygenation device in the environment corresponding to the surrounding environmental information, then the risk level corresponding to the first oxygen concentration value is less than the preset risk level; if there is an oxygenation device in the environment corresponding to the surrounding environmental information, then the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level. In practical applications, the surrounding environmental information of the first sensor can be queried through a pre-established digital twin system. The explanation of the digital twin system can be found above and will not be repeated here.

[0074] Figure 3 This is a schematic diagram of a second installation environment for installing the first sensor, provided in the embodiments of this specification.

[0075] In the embodiments described in this specification, such as Figure 3As shown, an oxygenation device 303 is installed in the environment surrounding the first sensor 301, which can significantly increase the oxygen concentration in the environment around the first sensor 301. Therefore, the oxygen concentration detected by the first sensor 301 is affected not only by the oxygen content of the air introduced into the external environment, but also by the additional oxygen produced by the oxygenation device 303. In this case, even if the second oxygen concentration value collected by the second sensor 302 is lower than the first oxygen concentration value collected by the first sensor 301, this phenomenon is reasonable and consistent with reality. In other words, the situation where the second oxygen concentration is lower than the first oxygen concentration is a normal phenomenon, indicating that the accuracy and reliability of the first oxygen concentration value are high. Therefore, it can be inferred that there is a high risk of oxygen enrichment in the environment surrounding the first sensor 301, and the risk level corresponding to its first oxygen concentration value is likely greater than or equal to the preset risk level, thus prompting attention to and timely response to the risk of oxygen enrichment in this environment.

[0076] In the embodiments described in this specification, by further observing the environmental conditions around the first sensor, after assessing the reliability of the oxygen-enrichment risk inferred from the first oxygen concentration value based on the second oxygen concentration value, a more detailed risk assessment can be conducted. This further assessment can effectively reduce the possibility of the oxygen-enrichment risk being missed due to the oxygen concentration value collected by the first sensor, thereby improving the safety of personnel and equipment.

[0077] In a scenario where the second sensor is located downwind of the first sensor, and the first oxygen concentration value collected by the first sensor is less than or equal to the first threshold, i.e., the risk reflected by the first oxygen concentration value is the risk of hypoxia.

[0078] Optionally, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value may specifically include: determining whether the second oxygen concentration value is within the range of the standard oxygen concentration to obtain a sixth determination result; the risk level corresponding to the first oxygen concentration value being less than the preset risk level may specifically include: if the sixth determination result indicates that the second oxygen concentration value is within the range of the standard oxygen concentration, then it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0079] In the embodiments described in this specification, if the second sensor is installed downwind of the first sensor, according to the laws of natural aerodynamics, the second oxygen concentration value should be lower than the first oxygen concentration value. However, if it is determined that the second oxygen concentration value is within the standard oxygen concentration range, but the first oxygen concentration value is less than or equal to the minimum value of the standard oxygen concentration range (the first threshold), that is, the second oxygen concentration value is actually higher than the first oxygen concentration value, then this situation clearly violates the laws of natural phenomena. Therefore, this unexpected result indicates that there may be a risk of data error between the second and first oxygen concentration values. In this case, the reliability of the hypoxia risk inferred from the first oxygen concentration value is significantly reduced, so it can be inferred that the risk level corresponding to the first oxygen concentration value is likely lower than the preset risk level.

[0080] In the embodiments of this specification, the reliability of the hypoxia risk inferred based on the first oxygen concentration value can be assessed by the second oxygen concentration value collected by the second sensor located downwind of the first sensor, thereby effectively reducing the probability of false alarms of hypoxia risk caused by the oxygen concentration value collected by the first sensor.

[0081] However, the initial oxygen concentration value collected by the first sensor may be affected by the installation location and environment. In certain special scenarios, a second oxygen concentration value may be higher than the first. Although this violates the laws of nature, it does not necessarily mean that the reliability of the hypoxia risk inferred based on the first oxygen concentration value is low. In other words, despite this anomaly, due to interference from the external environment or special conditions, the first oxygen concentration value may still accurately reflect the actual risk situation. Therefore, denying the validity of the risk assessment corresponding to the first oxygen concentration value solely based on this anomaly may lead to underreporting and thus endanger the safety of personnel and equipment.

[0082] Optionally, if the sixth determination result indicates that the second oxygen concentration value is within the standard oxygen concentration range, then the risk level corresponding to the first oxygen concentration value is less than the preset risk level. Specifically, this may include: obtaining the spatial environment corresponding to the location information based on the location information of the first sensor; determining whether the ventilation conditions of the spatial environment meet preset requirements; if the ventilation conditions of the spatial environment meet the preset requirements, then the risk level corresponding to the first oxygen concentration value is less than the preset risk level; if the ventilation conditions of the spatial environment do not meet the preset requirements, then the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0083] In this embodiment of the specification, the method of obtaining the spatial environment corresponding to the location information may include querying the spatial environment corresponding to the location information from a pre-established digital twin system. The ventilation conditions of the spatial environment meeting preset requirements can be understood as the first sensor being installed in a relatively spacious and straight main road environment within the mine; the ventilation conditions of the spatial environment not meeting preset requirements can be understood as the first sensor being installed in a narrow branch road environment within the mine with a large curvature or many turns.

[0084] Figure 4 This is a schematic diagram of a third installation environment for installing the first sensor, provided in the embodiments of this specification.

[0085] In the embodiments described in this specification, such as Figure 4 As shown, the first sensor 401 is installed in a branch environment with a large curvature. Since the airflow in this branch environment is lower than that in the main road environment, the probability of a lower oxygen concentration is higher. In this situation, even if the second oxygen concentration value collected by the second sensor 402 is higher than the first oxygen concentration value collected by the first sensor 401, this phenomenon is reasonable and consistent with reality. In other words, the situation where the second oxygen concentration is higher than the first oxygen concentration is normal, indicating that the accuracy and reliability of the first oxygen concentration value are high. Therefore, it can be inferred that there is a high risk of oxygen deficiency in the environment surrounding the first sensor 401, and the risk level corresponding to its first oxygen concentration value is likely greater than or equal to the preset risk level, thus prompting attention to and timely response to the risk of oxygen deficiency in this environment.

[0086] In the embodiments described in this specification, by further observing the installation environment of the first sensor, after assessing the reliability of the hypoxia risk inferred from the first oxygen concentration value based on the second oxygen concentration value, a more detailed risk assessment can be conducted. This further assessment can effectively reduce the possibility of hypoxia risk being missed due to the oxygen concentration value collected by the first sensor, thereby improving the safety of personnel and equipment.

[0087] In a scenario where the second sensor is located downwind of the first sensor, and the first oxygen concentration value collected by the first sensor is greater than or equal to the second threshold, i.e., the risk reflected by the first oxygen concentration value is an oxygen-rich risk.

[0088] Optionally, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value may specifically include: determining whether the second oxygen concentration value is within the standard oxygen concentration range to obtain a seventh determination result; if the seventh determination result indicates that the second oxygen concentration value is within the standard oxygen concentration range, then determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the oxygen concentration difference between the first oxygen concentration value and the second oxygen concentration value; the risk level corresponding to the first oxygen concentration value being less than the preset risk level specifically includes: if the oxygen concentration difference is greater than or equal to a fourth threshold, then it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0089] In this embodiment, a second oxygen concentration value collected by a second sensor is obtained. It is then determined whether the second oxygen concentration value is within the standard oxygen concentration range. If the second oxygen concentration value is not within the standard oxygen concentration range, specifically, if the second oxygen concentration value is greater than or equal to the second threshold, then the risk of oxygen enrichment in the mine can be inferred from the second oxygen concentration value. In other words, if the risk of oxygen enrichment in the mine is also inferred from the second oxygen concentration value, then the assessment result of the risk of oxygen enrichment in the mine inferred from the first oxygen concentration value is highly reliable, meaning that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0090] If the second oxygen concentration value is within the standard oxygen concentration range, then no risk of oxygen enrichment in the mine can be inferred from the second oxygen concentration value, but a risk of oxygen enrichment in the mine can be inferred from the first oxygen concentration value. Therefore, to further assess the reliability of this assessment result inferred from the first oxygen concentration value that there is a risk of oxygen enrichment in the mine, it can be evaluated by determining whether the difference in oxygen concentration between the first and second oxygen concentration values, i.e., the magnitude of the decrease in oxygen concentration, conforms to the laws of natural aerodynamics.

[0091] If the concentration difference between the first oxygen concentration value and the second oxygen concentration value is less than the fourth threshold, that is, the decrease in oxygen concentration conforms to the law of natural air flow, then the assessment result of the presence of oxygen-rich risk in the mine inferred from the first oxygen concentration value is highly credible, that is, the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0092] If the concentration difference between the first oxygen concentration value and the second oxygen concentration value is greater than or equal to the fourth threshold, that is, the decrease in oxygen concentration does not conform to the laws of natural aerodynamics, then the reliability of the assessment result that infers the presence of oxygen-rich risk in the mine based on the first oxygen concentration value is low, that is, the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0093] In the embodiments of this specification, the reliability of the oxygen enrichment risk inferred based on the first oxygen concentration value can be assessed by using the second oxygen concentration value collected by the second sensor located downwind of the first sensor. This can effectively reduce the false alarm probability of oxygen enrichment risk caused by the oxygen concentration value collected by the first sensor.

[0094] However, the initial oxygen concentration value collected by the first sensor may be affected by external environmental factors. In certain special scenarios, the decrease in oxygen concentration may not conform to the laws of natural aerodynamics. Although this violates the laws of natural phenomena, it does not necessarily mean that the reliability of the oxygen-enrichment risk inferred from the initial oxygen concentration value is low. In other words, despite this anomaly, due to interference from the installation location environment or special conditions, the initial oxygen concentration value may still accurately reflect the actual risk situation. Therefore, denying the validity of the risk assessment corresponding to the initial oxygen concentration value solely based on this anomaly may lead to underreporting risks, thereby endangering the safety of personnel and equipment.

[0095] Optionally, the step of determining that if the oxygen concentration difference is greater than or equal to a fourth threshold, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level. Specifically, this may include: obtaining the surrounding environmental information of the first sensor based on its location information; determining whether an oxygenation device exists in the environment corresponding to the surrounding environmental information; if no oxygenation device exists in the environment corresponding to the surrounding environmental information, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level; if an oxygenation device exists in the environment corresponding to the surrounding environmental information, it indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level. In practical applications, the surrounding environmental information of the first sensor can be queried using a pre-established digital twin system. The explanation of the digital twin system can be found above and will not be repeated here.

[0096] Figure 5 This is a schematic diagram of a fourth installation environment for installing the first sensor, provided in the embodiments of this specification.

[0097] In the embodiments described in this specification, such as Figure 5As shown, an oxygenation device 503 is installed in the environment surrounding the first sensor 501, which can significantly increase the oxygen concentration in the environment around the first sensor 501. Therefore, the oxygen concentration detected by the first sensor 501 is affected not only by the oxygen content of the air introduced into the external environment, but also by the additional oxygen produced by the oxygenation device 503. In this case, even if the decrease in oxygen concentration from the installation position of the first sensor 501 to the installation position of the second sensor 502 does not conform to the laws of natural aerodynamics, this situation is still reasonable and realistic. In other words, it is normal for the concentration difference between the first oxygen concentration value and the second oxygen concentration value to be greater than or equal to the fourth threshold, indicating that the accuracy and reliability of the first oxygen concentration value are high. Therefore, it can be inferred that there is a high risk of oxygen enrichment in the environment surrounding the first sensor 501, and the risk level corresponding to its first oxygen concentration value is likely greater than or equal to the preset risk level, thus prompting attention to and timely response to the risk of oxygen enrichment in this environment.

[0098] In the embodiments described in this specification, by further observing the environmental conditions around the first sensor, after assessing the reliability of the oxygen-enrichment risk inferred from the first oxygen concentration value based on the second oxygen concentration value, a more detailed risk assessment can be conducted. This further assessment can effectively reduce the possibility of the oxygen-enrichment risk being missed due to the oxygen concentration value collected by the first sensor, thereby improving the safety of personnel and equipment.

[0099] In the embodiments described in this specification, the reliability and accuracy of the first oxygen concentration value can also be comprehensively evaluated from the perspective of whether environmental parameters affect the sensitivity of the sensor by detecting various environmental parameters in the mine.

[0100] Optionally, determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level may specifically include: acquiring environmental parameter values ​​collected by sensors installed in the mine for detecting environmental parameters; determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the environmental parameter values; if the risk level corresponding to the first oxygen concentration value is less than the preset risk level, it may specifically include: if the environmental parameter value is not within the range of standard environmental parameter values, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0101] Generally, the oxygen concentration data collected by the first sensor can only be considered highly reliable when the environmental parameters within the mine meet the applicable conditions for the sensor's design and operation. Otherwise, abnormal environmental parameters may lead to errors in the sensor's measurement data, resulting in lower reliability of the oxygen concentration data collected by the first sensor.

[0102] In the embodiments of this specification, environmental parameters may include ambient temperature parameters, ambient humidity parameters, etc. The standard environmental parameter value range can be the normal operating environmental parameter range of the first sensor. If the environmental parameter value is within the standard environmental parameter range, that is, when the environmental parameters around the first sensor meet the normal operating conditions of the first sensor, environmental factors will not interfere with the sensor's sensitivity and detection accuracy, thus making the first oxygen concentration value highly reliable. In this case, if the first oxygen concentration value is not within the standard oxygen concentration range, it can be said that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level. Conversely, if the environmental parameter value is not within the standard environmental parameter range, that is, the environment in which the first sensor is located does not meet its normal operating conditions, environmental factors are very likely to interfere with the sensor's sensitivity and detection accuracy, causing errors in the first sensor's detection, thus reducing the reliability of the first oxygen concentration value. In this case, if the first oxygen concentration value is not within the standard oxygen concentration range, it can be said that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0103] In the embodiments of this specification, the reliability of the first oxygen concentration value is scientifically evaluated by combining the environmental parameter values ​​in the mine, thereby improving the accuracy and effectiveness of overall risk identification and effectively reducing the probability of false alarms caused by the oxygen concentration value collected by the first sensor.

[0104] However, due to the unique detection characteristics of different sensors, there are often differences in the number and specific installation locations of sensors used to monitor environmental parameters and sensors used to measure oxygen concentration within a mine. Because of this, in certain special or complex mine environments, the data collected by environmental parameter sensors may not accurately reflect the actual environmental conditions around the oxygen sensor. This can lead to a discrepancy between the values ​​obtained by the environmental parameter sensors and the actual environmental parameters of the environment where the oxygen sensor is located, thus affecting the assessment and analysis of the initial oxygen concentration value.

[0105] Optionally, the step of determining that if the environmental parameter value is not within the range of standard environmental parameter values, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level. Specifically, this may include: acquiring an environmental image corresponding to the target installation location of the environmental parameter sensor; determining whether there is a safety risk event in the environmental image, wherein the safety risk event includes an event that causes a local change in the environmental parameter value at the target installation location; if there is a safety risk event in the environmental image, it indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level; if there is no safety risk event in the environmental image, it indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0106] In the embodiments described in this specification, the environmental images can be images retrieved based on a digital twin system. For an explanation of the digital twin system, please refer to the above content, which will not be repeated here.

[0107] In the embodiments described in this specification, the installation locations of the first sensor and the environmental sensor may be different. In special scenarios, the environmental conditions around the first sensor and the environmental conditions around the environmental sensor may differ.

[0108] Figure 6 This is a schematic diagram of the environmental image corresponding to the installation location of the environmental parameter sensor provided in the embodiments of this specification.

[0109] In the embodiments described in this specification, such as Figure 6 As shown, there is a safety risk event surrounding the environmental parameter sensor 602 where workers are illegally using heating facilities 603 for heating, such as bringing heating equipment into the mine for unauthorized heating. This event would cause the ambient temperature around the environmental parameter sensor 602 to rise rapidly. This temperature increase would also trigger the generation of a large amount of water vapor, leading to a rapid increase in ambient humidity. Ultimately, the temperature and humidity data measured by the environmental parameter sensor 602 might exceed the range of standard environmental parameters. However, it is important to note that the temperature and humidity changes caused by the heating facility 603 are limited to the local environment of the environmental parameter sensor 602 and do not cause significant changes in the overall temperature and humidity of the mine environment. Therefore, the data collected by the environmental parameter sensor 602 may not accurately reflect the actual environmental conditions around the first sensor 601. In this case, although the parameter values ​​measured by the environmental parameter sensor 602 deviate from the range of standard environmental parameters, this does not necessarily mean that the sensitivity and measurement accuracy of the first sensor 601 are affected, nor does it necessarily mean that the reliability of the first oxygen concentration value is low. For safety reasons, this can be considered as the risk level corresponding to the first oxygen concentration value being greater than or equal to the preset risk level, thereby improving the safety of personnel and equipment in the mine.

[0110] In the embodiments described in this specification, by further observing whether there are any safety risk events around the environmental parameter sensor, after assessing the credibility of the risk event inferred from the first oxygen concentration value based on the environmental parameter value, a more detailed risk assessment can be conducted. This further assessment can effectively reduce the possibility of risk events caused by the oxygen concentration value collected by the first sensor being missed, thereby improving the safety of personnel and equipment.

[0111] Based on the same idea, embodiments of this specification also provide apparatus corresponding to the above methods. Figure 7This is a schematic diagram of a downhole alarm information generation device based on an AI analysis platform, as provided in the embodiments of this specification. Figure 7 As shown, the device may include:

[0112] The acquisition module 702 is used to acquire the first oxygen concentration value collected by the first sensor in the mine.

[0113] The first judgment module 704 is used to determine whether the first oxygen concentration value is within the standard oxygen concentration range, and to obtain the first judgment result;

[0114] The second judgment module 706 is used to determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level if the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, and to obtain the second judgment result.

[0115] The first generation module 708 is used to generate a first alarm message reflecting that the workers need to evacuate the mine immediately if the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

[0116] The second generation module 710 is used to generate a second alarm message reflecting the need to inspect the mine if the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0117] based on Figure 7 The embodiments of this specification also provide some specific implementation schemes of the method, which are described below.

[0118] Optionally, the minimum value of the standard oxygen concentration range is a first threshold, and the maximum value of the standard oxygen concentration range is a second threshold.

[0119] Optionally, the first generation module 708 may specifically include:

[0120] The first generation unit is configured to generate the first alarm information reflecting the risk of oxygen deficiency in the mine if the first oxygen concentration value is less than or equal to the first threshold.

[0121] The second generation unit is used to generate the first alarm information reflecting the presence of oxygen-rich risk in the mine if the first oxygen concentration value is greater than or equal to the second threshold.

[0122] Optionally, the second determination module 706 may specifically include:

[0123] The first acquisition unit is used to acquire the position information of the first sensor.

[0124] The first acquisition unit is used to acquire, based on the location information, the second oxygen concentration value collected by the second sensor adjacent to the first sensor.

[0125] The first judgment unit is used to determine, based on the second oxygen concentration value, whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level.

[0126] Optionally, the second sensor is located upwind of the first sensor, and the first oxygen concentration value is less than or equal to the first threshold.

[0127] Optionally, the first determining unit may specifically include:

[0128] The first judgment subunit is used to determine whether the second oxygen concentration value is within the range of the standard oxygen concentration, and to obtain the third judgment result.

[0129] The second judgment subunit is used to determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the oxygen concentration difference between the second oxygen concentration value and the first oxygen concentration value if the third judgment result indicates that the second oxygen concentration value is within the standard oxygen concentration range.

[0130] Optionally, the risk level corresponding to the first oxygen concentration value is less than the preset risk level, which may specifically include:

[0131] If the oxygen concentration difference is greater than or equal to the third threshold, it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0132] Optionally, the second sensor is located upwind of the first sensor, and the first oxygen concentration value is greater than or equal to the second threshold.

[0133] Continuing, the first determination unit may specifically include:

[0134] The third judgment subunit is used to determine whether the second oxygen concentration value is within the range of the standard oxygen concentration, and to obtain the fifth judgment result.

[0135] Optionally, the risk level corresponding to the first oxygen concentration value is less than the preset risk level, which may specifically include:

[0136] If the fifth judgment result indicates that the second oxygen concentration value is within the range of the standard oxygen concentration, then it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0137] Optionally, the second sensor is located downwind of the first sensor, and the first oxygen concentration value is less than or equal to the first threshold.

[0138] Optionally, the first determining unit may specifically include:

[0139] The fourth judgment subunit is used to determine whether the second oxygen concentration value is within the range of the standard oxygen concentration, and to obtain the sixth judgment result.

[0140] Optionally, the risk level corresponding to the first oxygen concentration value is less than the preset risk level, which may specifically include:

[0141] If the sixth judgment result indicates that the second oxygen concentration value is within the range of the standard oxygen concentration, then it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0142] Optionally, the second sensor is located downwind of the first sensor, and the first oxygen concentration value is greater than or equal to the second threshold.

[0143] Optionally, the first determining unit may specifically include:

[0144] The fifth judgment subunit is used to determine whether the second oxygen concentration value is within the range of the standard oxygen concentration, and to obtain the seventh judgment result.

[0145] The sixth judgment subunit is used to determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the oxygen concentration difference between the first oxygen concentration value and the second oxygen concentration value if the seventh judgment result indicates that the second oxygen concentration value is within the standard oxygen concentration range.

[0146] Optionally, the risk level corresponding to the first oxygen concentration value is less than the preset risk level, which may specifically include:

[0147] If the oxygen concentration difference is greater than or equal to the fourth threshold, it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0148] Optionally, the second determination module 706 may specifically include:

[0149] The second acquisition unit is used to acquire the environmental parameter values ​​collected by the environmental parameter sensors installed in the mine for detecting environmental parameters.

[0150] The second judgment unit is used to determine, based on the environmental parameter value, whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level.

[0151] Optionally, the risk level corresponding to the first oxygen concentration value is less than the preset risk level, which may specifically include:

[0152] If the environmental parameter value is not within the range of standard environmental parameter values, it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

[0153] Figure 7 The device in the mine can detect oxygen concentrations. If the oxygen concentration reported by the sensor exceeds the standard range, and the risk level assessed based on this oxygen concentration is lower than a preset risk level, the sensor alarm can be considered a false alarm. In this case, instead of triggering a first-level alarm indicating the immediate evacuation of personnel, a second-level alarm is generated, prompting further inspection of the mine environment. This tiered alarm mechanism effectively reduces the number of emergency responses caused by sensor false alarms, thereby reducing mine shutdowns due to false alarms, ensuring the continuity and safety of mine operations, and improving coal mining efficiency.

[0154] Based on the same idea, this specification also provides devices corresponding to the above methods in its embodiments.

[0155] Figure 8 This is a schematic diagram of the structure of a downhole alarm information generation device based on an AI analysis platform, as provided in the embodiments of this specification. Figure 8 As shown, device 800 may include:

[0156] At least one processor 810; and,

[0157] Memory 830 communicatively connected to the at least one processor; wherein,

[0158] The memory 830 stores instructions 820 that can be executed by the at least one processor 810, the instructions being executed by the at least one processor 810 to enable the at least one processor 810 to:

[0159] Obtain the first oxygen concentration value collected by the first sensor inside the mine;

[0160] Determine whether the first oxygen concentration value is within the standard oxygen concentration range to obtain the first determination result;

[0161] If the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, then it is determined whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, and a second judgment result is obtained.

[0162] If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, then a first alarm message is generated to reflect that the workers need to evacuate the mine immediately.

[0163] If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level, then a second alarm message is generated to reflect that the mine needs to be inspected.

[0164] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on its differences from other embodiments. In particular, for... Figure 8 As the device shown is basically similar to the method embodiment, the description is relatively simple, and relevant parts can be found in the description of the method embodiment.

[0165] In the 1990s, improvements to a technology could be clearly distinguished as either hardware improvements (e.g., improvements to the circuit structure of diodes, transistors, switches, etc.) or software improvements (improvements to the methodology). However, with technological advancements, many methodological improvements today can be considered direct improvements to the hardware circuit structure. Designers almost always obtain the corresponding hardware circuit structure by programming the improved methodology into the hardware circuit. Therefore, it cannot be said that a methodological improvement cannot be implemented using hardware physical modules. For example, a Programmable Logic Device (PLD) (such as a Field Programmable Gate Array (FPGA)) is such an integrated circuit whose logic function is determined by the user programming the device. Designers can program and "integrate" a digital system onto a PLD themselves, without needing chip manufacturers to design and manufacture dedicated integrated circuit chips. Furthermore, nowadays, instead of manually manufacturing integrated circuit chips, this programming is mostly implemented using "logic compiler" software. Similar to the software compiler used in program development, the original code before compilation must also be written in a specific programming language, called a Hardware Description Language (HDL). There are many HDLs, such as ABEL (Advanced Boolean Expression Language), AHDL (Altera Hardware Description Language), Confluence, CUPL (Cornell University Programming Language), HDCal, JHDL (Java Hardware Description Language), Lava, Lola, MyHDL, PALASM, and RHDL (Ruby Hardware Description Language). Currently, the most commonly used are VHDL (Very-High-Speed ​​Integrated Circuit Hardware Description Language) and Verilog. Those skilled in the art should also understand that by simply performing some logic programming on the method flow using one of these hardware description languages ​​and programming it into an integrated circuit, the hardware circuit implementing the logical method flow can be easily obtained.

[0166] The controller can be implemented in any suitable manner. For example, it can take the form of a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro)processor, logic gates, switches, application-specific integrated circuits (ASICs), programmable logic controllers, and embedded microcontrollers. Examples of controllers include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicon Labs C8051F320. A memory controller can also be implemented as part of the control logic of the memory. Those skilled in the art will also recognize that, in addition to implementing the controller in purely computer-readable program code form, the same functionality can be achieved by logically programming the method steps to make the controller take the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, and embedded microcontrollers. Therefore, such a controller can be considered a hardware component, and the means included therein for implementing various functions can also be considered as structures within the hardware component. Alternatively, the means for implementing various functions can be considered as both software modules implementing the method and structures within the hardware component.

[0167] The systems, devices, modules, or units described in the above embodiments can be implemented by computer chips or entities, or by products with certain functions. A typical implementation device is a computer. Specifically, a computer can be, for example, a personal computer, laptop computer, cellular phone, camera phone, smartphone, personal digital assistant, media player, navigation device, email device, game console, tablet computer, wearable device, or any combination of these devices.

[0168] For ease of description, the above devices are described separately by function as various units. Of course, in implementing this application, the functions of each unit can be implemented in one or more software and / or hardware.

[0169] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0170] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0171] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0172] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0173] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0174] Memory may include non-persistent storage in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0175] Computer-readable media include both permanent and non-permanent, removable and non-removable media that can store information by any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0176] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0177] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0178] This application can be described in the general context of computer-executable instructions, such as program modules, that are executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc., that perform a specific task or implement a specific abstract data type. This application can also be practiced in distributed computing environments where tasks are performed by remote processing devices connected via a communication network. In distributed computing environments, program modules can reside in local and remote computer storage media, including storage devices.

[0179] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A method for generating downhole alarm information based on an AI analysis platform, characterized in that, The method includes: Obtain the first oxygen concentration value collected by the first sensor inside the mine; Determine whether the first oxygen concentration value is within the standard oxygen concentration range to obtain the first determination result; If the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, then it is determined whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, and a second judgment result is obtained. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level specifically includes: determining the credibility of the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value; If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, then a first alarm message is generated to reflect that the workers need to evacuate the mine immediately. If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level, then a second alarm message is generated to reflect that the mine needs to be inspected. The reliability of the assessment result, which is based on the first oxygen concentration value, inferring the risk of oxygen deficiency in the mine, specifically includes: Obtain the position information of the first sensor; Based on the location information, a second oxygen concentration value is obtained from a second sensor located upwind of the first sensor; the first oxygen concentration value is less than or equal to the minimum value in the standard oxygen concentration range, and the second oxygen concentration value is within the standard oxygen concentration range. If the difference in oxygen concentration between the second oxygen concentration value and the first oxygen concentration value is greater than or equal to the third threshold, it indicates that the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value is of low reliability; the difference in oxygen concentration being greater than or equal to the third threshold reflects that the decrease in oxygen concentration from the second sensor to the first sensor does not conform to the laws of natural aerodynamics. If the reliability of the assessment result that the mine has a risk of oxygen deficiency inferred based on the first oxygen concentration value is low, then obtain the ventilation conditions of the spatial environment corresponding to the location information. If the ventilation conditions of the space environment are such that the first sensor is installed in a narrow branch road environment with many turns in the mine, then the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value is highly credible.

2. The method according to claim 1, characterized in that, The minimum value of the standard oxygen concentration range is a first threshold, and the maximum value of the standard oxygen concentration range is a second threshold; the generation of the first alarm information reflecting the need for immediate evacuation of workers from the mine specifically includes: If the first oxygen concentration value is less than or equal to the first threshold, then the first alarm information reflecting the risk of oxygen deficiency in the mine is generated. If the first oxygen concentration value is greater than or equal to the second threshold, then the first alarm information is generated to reflect the risk of oxygen enrichment in the mine.

3. The method according to claim 2, characterized in that, The determination of whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level specifically includes: Obtain the position information of the first sensor; Based on the location information, the second oxygen concentration value collected by the second sensor adjacent to the first sensor is obtained; Based on the second oxygen concentration value, determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level.

4. The method according to claim 3, characterized in that, The second sensor is located upwind of the first sensor, and the first oxygen concentration value is less than or equal to the first threshold. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value specifically includes: Determine whether the second oxygen concentration value is within the range of the standard oxygen concentration to obtain a third determination result; If the third judgment result indicates that the second oxygen concentration value is within the standard oxygen concentration range, then based on the oxygen concentration difference between the second oxygen concentration value and the first oxygen concentration value, it is determined whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level. The risk level corresponding to the first oxygen concentration value is less than the preset risk level, specifically including: If the oxygen concentration difference is greater than or equal to the third threshold, it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

5. The method according to claim 3, characterized in that, The second sensor is located upwind of the first sensor, and the first oxygen concentration value is greater than or equal to the second threshold. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value specifically includes: Determine whether the second oxygen concentration value is within the range of the standard oxygen concentration to obtain the fifth determination result; The risk level corresponding to the first oxygen concentration value is less than the preset risk level, specifically including: If the fifth judgment result indicates that the second oxygen concentration value is within the range of the standard oxygen concentration, then it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

6. The method according to claim 3, characterized in that, The second sensor is located downwind of the first sensor, and the first oxygen concentration value is less than or equal to the first threshold. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value specifically includes: Determine whether the second oxygen concentration value is within the range of the standard oxygen concentration to obtain the sixth determination result; The risk level corresponding to the first oxygen concentration value is less than the preset risk level, specifically including: If the sixth judgment result indicates that the second oxygen concentration value is within the range of the standard oxygen concentration, then it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

7. The method according to claim 3, characterized in that, The second sensor is located downwind of the first sensor, and the first oxygen concentration value is greater than or equal to the second threshold. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level based on the second oxygen concentration value specifically includes: Determine whether the second oxygen concentration value is within the range of the standard oxygen concentration to obtain the seventh determination result; If the seventh judgment result indicates that the second oxygen concentration value is within the standard oxygen concentration range, then based on the oxygen concentration difference between the first oxygen concentration value and the second oxygen concentration value, it is determined whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level. The risk level corresponding to the first oxygen concentration value is less than the preset risk level, specifically including: If the oxygen concentration difference is greater than or equal to the fourth threshold, it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

8. The method according to claim 1, characterized in that, The determination of whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level specifically includes: Obtain the environmental parameter values ​​collected by the environmental parameter sensors installed in the mine for detecting environmental parameters; Based on the environmental parameter values, determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level; The risk level corresponding to the first oxygen concentration value is less than the preset risk level, specifically including: If the environmental parameter value is not within the range of standard environmental parameter values, it means that the risk level corresponding to the first oxygen concentration value is less than the preset risk level.

9. A downhole alarm information generation device based on an AI analysis platform, characterized in that, include: The acquisition module is used to acquire the first oxygen concentration value collected by the first sensor in the mine. The first judgment module is used to determine whether the first oxygen concentration value is within the standard oxygen concentration range, and to obtain the first judgment result; The second judgment module is used to determine whether the risk level corresponding to the first oxygen concentration value is greater than or equal to a preset risk level if the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, and to obtain the second judgment result. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level specifically includes: determining the credibility of the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value; The first generation module is used to generate a first alarm message reflecting that the workers need to evacuate the mine immediately if the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level. The second generation module is used to generate a second alarm message reflecting the need to inspect the mine if the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level. The reliability of the assessment result, which is based on the first oxygen concentration value, inferring the risk of oxygen deficiency in the mine, specifically includes: Obtain the position information of the first sensor; Based on the location information, a second oxygen concentration value is obtained from a second sensor located upwind of the first sensor; the first oxygen concentration value is less than or equal to the minimum value in the standard oxygen concentration range, and the second oxygen concentration value is within the standard oxygen concentration range. If the difference in oxygen concentration between the second oxygen concentration value and the first oxygen concentration value is greater than or equal to the third threshold, it indicates that the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value is of low reliability; the difference in oxygen concentration being greater than or equal to the third threshold reflects that the decrease in oxygen concentration from the second sensor to the first sensor does not conform to the laws of natural aerodynamics. If the reliability of the assessment result that the mine has a risk of oxygen deficiency inferred based on the first oxygen concentration value is low, then obtain the ventilation conditions of the spatial environment corresponding to the location information. If the ventilation conditions of the space environment are such that the first sensor is installed in a narrow branch road environment with many turns in the mine, then the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value is highly credible.

10. A downhole alarm information generation device based on an AI analysis platform, characterized in that, include: At least one processor; And, a memory communicatively connected to the at least one processor; The memory stores instructions executable by the at least one processor, which, when executed by the at least one processor, enable the at least one processor to: Obtain the first oxygen concentration value collected by the first sensor inside the mine; Determine whether the first oxygen concentration value is within the standard oxygen concentration range to obtain the first determination result; If the first judgment result indicates that the first oxygen concentration value is not within the standard oxygen concentration range, then it is determined whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, and a second judgment result is obtained. The step of determining whether the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level specifically includes: determining the credibility of the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value; If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is greater than or equal to the preset risk level, then a first alarm message is generated to reflect that the workers need to evacuate the mine immediately. If the second judgment result indicates that the risk level corresponding to the first oxygen concentration value is less than the preset risk level, then a second alarm message is generated to reflect that the mine needs to be inspected. The reliability of the assessment result, which is based on the first oxygen concentration value, inferring the risk of oxygen deficiency in the mine, specifically includes: Obtain the position information of the first sensor; Based on the location information, a second oxygen concentration value is obtained from a second sensor located upwind of the first sensor; the first oxygen concentration value is less than or equal to the minimum value in the standard oxygen concentration range, and the second oxygen concentration value is within the standard oxygen concentration range. If the difference in oxygen concentration between the second oxygen concentration value and the first oxygen concentration value is greater than or equal to the third threshold, it indicates that the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value is of low reliability; the difference in oxygen concentration being greater than or equal to the third threshold reflects that the decrease in oxygen concentration from the second sensor to the first sensor does not conform to the laws of natural aerodynamics. If the reliability of the assessment result that the mine has a risk of oxygen deficiency inferred based on the first oxygen concentration value is low, then obtain the ventilation conditions of the spatial environment corresponding to the location information. If the ventilation conditions of the space environment are such that the first sensor is installed in a narrow branch road environment with many turns in the mine, then the assessment result of the risk of oxygen deficiency in the mine inferred based on the first oxygen concentration value is highly credible.

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