CN111899492A - Restricted space operation safety supervision method - Google Patents
Restricted space operation safety supervision method Download PDFInfo
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- CN111899492A CN111899492A CN202010620329.3A CN202010620329A CN111899492A CN 111899492 A CN111899492 A CN 111899492A CN 202010620329 A CN202010620329 A CN 202010620329A CN 111899492 A CN111899492 A CN 111899492A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
Abstract
The invention provides a method for supervising operation safety in a limited space, which is based on preset environmental parameter monitoring equipment, vital sign parameter monitoring equipment, operation behavior parameter monitoring equipment, positive pressure type respirator parameter monitoring equipment and operation personnel safe work and rest time parameter monitoring equipment, wherein the method monitors environmental information in the limited space, vital signs of operation personnel, operation behaviors, technical parameters of the positive pressure type respirator and other information, and generates alarm information to give an alarm if the environmental information, the vital signs of the operation personnel, the operation behaviors, the technical parameters of the positive pressure type respirator and the like are in abnormal conditions. The supervision method provided by the invention can monitor the environment, the positive pressure type respirator state, the work and rest time, the vital sign information, the operation behavior and the safety state in the limited space in real time in the operation process, so as to ensure the safety of the operation personnel in the operation process.
Description
Technical Field
The invention relates to the field of restricted space operation safety supervision, in particular to a restricted space operation safety supervision method.
Background
The confined space refers to closed and semi-closed facilities and places (cabins, underground hidden projects, closed containers, facilities which are not used for a long time or places with poor ventilation and the like) such as tunnels, sewers, ditches, pits, wells, pools, culverts, tank wagons, pipelines, flues and the like in various equipment of factories, urban (including factories), and wells, cellars and the like for storing sweet potatoes, potatoes and various vegetables in rural areas. In short, all the devices, facilities and places which are poor in ventilation and liable to cause the accumulation of toxic and harmful gases and the oxygen deficiency are called as confined spaces (spaces in which the work is confined), and the work in the confined spaces is called as confined space work. The limited space operation relates to a wide range of fields, multiple industries, complex operation environment, multiple dangerous and harmful factors, easy occurrence of safety accidents and serious consequences; the rescue difficulty is high when the operator is in danger, blind rescue or improper rescue method is adopted, and casualties are easy to expand.
The current method for supervising the limited space generally checks the limited space before operation to eliminate dangerous factors, but lacks continuity and real-time supervision in the operation. In addition, the existing method for supervising the limited space lacks systematic operation management, the supervision flow is not clear, the supervision is not strong, and safety accidents are caused.
Disclosure of Invention
The invention provides a method for supervising the operation safety in a limited space, which is convenient for supervising the operation in the limited space in real time in the operation process in the limited space and ensures the safety of operating personnel.
The method for supervising the operation safety of the limited space comprises the steps of monitoring environmental information in the limited space based on preset environmental parameter monitoring equipment, judging whether the environmental information is in a preset environmental information range, and generating alarm information to give an alarm if the environmental information exceeds the preset environmental information range; monitoring the operation behavior of an operator in the limited space based on a preset behavior parameter monitoring device, judging whether the operation behavior is a preset operation safety behavior, and if not, generating alarm information to give an alarm; monitoring vital sign information of an internal operation worker in a limited space based on preset vital sign parameter monitoring equipment, judging whether the vital sign information is in a preset vital sign information range, and generating alarm information to give an alarm if the vital sign information exceeds the preset vital sign information range.
Further, the method further comprises: monitoring whether an operator in a limited space uses a positive pressure respirator technical parameter based on preset positive pressure respirator parameter monitoring equipment, judging whether the positive pressure respirator technical parameter is a preset technical parameter, and if not, generating alarm information to give an alarm.
Further, the environmental information includes at least temperature, humidity, illuminance, heat index, oxygen concentration, combustible gas concentration, carbon monoxide concentration, hydrogen sulfide concentration, combustible dust concentration, or combustible vapor concentration.
Further, the method further comprises: creating an operation safety plan, and configuring preset operation condition ranges of operation personnel, supervision personnel, operation safety analysis, safety measures, construction equipment, emergency equipment and monitoring equipment according to the operation safety plan; checking and collecting the current operation condition in the limited space in real time, judging whether the current operation condition is in a preset operation condition range, if the current operation condition exceeds the preset operation condition range, generating alarm information to give an alarm, and if not, carrying out operation permission approval according to an operation safety plan and a preset operation permission approval strategy.
Further, the method further comprises: according to the operation safety plan and a preset operation safety analysis strategy, operation safety analysis is carried out on the operation safety plan to obtain operation potential risks, and a corresponding measure is made for the operation potential risks based on a preset risk corresponding measure making strategy to generate an operation safety analysis report.
Further, the method further comprises: and developing a tool kit conference before operation to carry out safe transaction on the operation in the limited space, and generating and storing a safe transaction record.
Further, the method further comprises: and carrying out statistical analysis on the conditions of the accident event of the limited space, the conditions of the personnel entering and exiting the limited space, the conditions of the state of the limited space, the conditions of the risk factors of the limited space, the conditions of the operation in the limited space, the conditions of the safety inspection of the limited space and the safety observation conditions of the operation behavior in the limited space according to a preset statistical analysis strategy to generate a statistical analysis report.
Further, the method further comprises: and monitoring the working time of the operator in the limited space, comparing the working time with a preset working time threshold value, and generating alarm information to alarm if the working time exceeds the preset working time threshold value. The preset operation time threshold is determined according to the temperature and humidity information in the limited space and the comparison relation between the temperature and humidity information and the working time.
Further, the method further comprises: and recording the access of the operating personnel to the limited space, and determining the number and identity of the operating personnel trapped in the limited space according to the record of the access of the operating personnel to the limited space if a safety accident occurs.
Further, the method further comprises: when alarm information is generated to alarm, the position information of the operating personnel in the limited space is obtained, and the position information and the alarm information are pushed to the terminal equipment of the supervision personnel.
The method for supervising the operation safety in the limited space provided by the invention at least has the following advantages: the operation condition in the limited space is monitored in real time through environmental parameter monitoring equipment, operation behavior parameter monitoring equipment, vital sign parameter monitoring equipment, positive pressure respirator parameter monitoring equipment and the like, the safety of operating personnel in the operation process is ensured, and safety accidents are found in time to arrange rescue. In addition, the invention provides a systematic and flow supervision scheme from the operation planning before operation, operation safety analysis, operation approval to the operation condition real-time supervision in the operation process, abnormal condition alarm and the like, and can comprehensively ensure the operation safety of the operation personnel in the limited space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart of a method for supervising the operation safety of a restricted space according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for supervising the operation safety of a restricted space according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for supervising the operation safety of a restricted space according to an embodiment of the present invention;
FIG. 4 is a flowchart of a method for supervising the operation safety of a restricted space according to an embodiment of the present invention;
fig. 5 is a flowchart of a method for supervising operation safety of a restricted space according to another embodiment of the present invention.
Detailed Description
The terms and expressions used in the specification of the present invention have been set forth for illustrative purposes only and are not meant to be limiting. It will be appreciated by those skilled in the art that changes could be made to the details of the above-described embodiments without departing from the underlying principles thereof. The scope of the invention is, therefore, indicated by the appended claims, in which all terms are intended to be interpreted in their broadest reasonable sense unless otherwise indicated.
An embodiment of the present invention provides a method for supervising operation safety in a limited space, as shown in fig. 1, the method includes the following steps:
step S101: monitoring equipment monitors environmental information in the limited space based on preset environmental parameters.
Step S102: and judging whether the environmental information is in a preset environmental information range, if so, executing the step S103, otherwise, returning to the step S101.
Step S103: and generating alarm information to alarm.
As shown in fig. 2, the method further comprises:
step S201: and monitoring the operation behavior of the operators in the limited space based on preset operation behavior parameter monitoring equipment.
Step S202: and judging whether the operation behavior is a preset operation safety behavior, if not, executing the step S203, otherwise, returning to the step S201.
And S203, generating alarm information to alarm.
As shown in fig. 3, the method further comprises:
step S301: monitoring equipment monitors vital sign information of operating personnel in a limited space based on preset vital sign parameters.
Step S302: and judging whether the vital sign information is in a preset vital sign information range, if so, executing the step S303, otherwise, returning to the step S301.
Step S303: and generating alarm information to alarm.
The method comprises the steps of installing environmental parameter monitoring equipment and operation behavior parameter monitoring equipment in a limited space in advance, enabling an operator to wear the vital sign parameter monitoring equipment when working in the limited space, monitoring environmental information, operation behavior information and vital sign information of the operator in the limited space in real time by the monitoring equipment, sending the monitored various environmental information, operation behavior information and vital sign information to a limited space operation safety supervision platform, analyzing and comparing data by the limited space operation safety supervision platform, namely comparing the environmental information with a preset environmental information range, comparing the operation behavior with a preset operation safety behavior, comparing the vital sign information with a preset vital sign information range, and judging whether the environmental information, the operation behavior and the vital sign information are in a normal range or not, once any one of the information parameters of the environmental information, the operation behavior and the vital sign information is found not to be within a normal range, alarm information is generated to give an alarm, supervision personnel and operation personnel are reminded of paying attention, and safety accidents are prevented. In addition, because the monitoring mode has errors and the problem of false alarm, a process of confirming by a supervisor can be added after the alarm information is generated for alarming, and the supervisor can further confirm the alarm event and then perform safety measures on the alarm information.
Further, as shown in fig. 4, the method further includes:
step S401: monitoring technical parameters of the positive pressure type respirator used by operators in the limited space based on preset positive pressure type respirator parameter monitoring equipment.
Step S402: and judging whether the technical parameter of the positive pressure type respirator is a preset technical parameter, if not, executing the step S403, otherwise, executing the step S401.
Step S403: and generating alarm information to alarm.
The positive pressure respirator is a self-supply open type air respirator, which can prevent fire fighters and rescue personnel from inhaling harmful toxic gas, smoke and harmful pollutants suspended in the air when carrying out fire fighting or rescue. Can also be used in an oxygen-deficient environment to prevent the inhalation of toxic gas, thereby effectively carrying out fire extinguishing, emergency rescue and relief rescue and labor operation. The positive pressure respirator is worn by the operator, so that more effective operation protection can be provided for the operator. The technical parameters of the positive pressure type respirator are monitored for the operators, and once the parameters are abnormal, alarm information can be generated to give an alarm, so that the safety of the operators is ensured.
Further, the environmental parameter monitoring device is a temperature sensor, a humidity sensor, a light intensity sensor, a gas sensor, and the like, and monitors the temperature, the humidity, the light intensity, the heat index, the gas concentration, and the like in the limited space in real time. Further, the gas concentration includes an oxygen concentration, a combustible gas concentration, a carbon monoxide concentration, a hydrogen sulfide concentration, a combustible dust concentration, a combustible steam concentration, or the like. The combustible dust concentration includes metal dust concentration, coal dust concentration, other combustible dust concentration, and the like. Because the confined space is mostly a closed space, the ventilation is not smooth, and harmful gas is easy to accumulate, if only gas detection before operation is carried out, when harmful gas is accumulated in the operation process, the operator is easy to be injured. In addition, the temperature, humidity, etc. also affect the physical condition of the worker, and therefore, it is necessary to continuously monitor the temperature, humidity, illuminance, heat index, gas concentration, etc. in the confined space.
Furthermore, the operation behavior parameter monitoring equipment is high-definition cameras, individual soldier recorders and other monitoring equipment capable of recording operation behaviors of operators. The vital sign parameter monitoring equipment is a life bracelet, and is worn by an operator, and the life bracelet is used for monitoring vital signs such as body temperature, blood pressure and heart rate of the operator. Furthermore, the individual soldier recorder carried by the operator also has a one-key alarm function, and the operator can alarm through the one-key alarm button when an accident occurs.
Further, in another embodiment of the present invention, as shown in fig. 5, the method for supervising the operation safety of the restricted space further includes the following steps:
step S501: and creating an operation safety plan, and configuring the preset operation condition ranges of operation personnel, supervision personnel, operation safety analysis, safety measures, construction equipment, emergency equipment and monitoring equipment according to the operation safety plan.
Specifically, the operation safety plan includes operation time, operation location (such as name and number of a limited space to which the operation belongs), number and work type of required operators, number of required supervisors, type and number of required construction equipment, type and number of required monitoring equipment (such as environmental parameter monitoring equipment, operation behavior parameter monitoring equipment, or vital sign parameter monitoring equipment), and the like. And configuring the preset operation condition ranges of the operators, the supervisors, the operation safety analysis, the safety measures, the construction equipment, the emergency equipment and the monitoring equipment (such as the number and the work type conditions of the operators, the types and the number conditions of the construction equipment, the working conditions of the construction equipment, the types and the number conditions of the monitoring equipment, the working conditions of the monitoring equipment and the like) according to the operation safety plan.
Step S502: checking and collecting the current operation condition in the limited space in real time, judging whether the current operation condition is in a preset operation condition range, and executing the step S503 if the current operation condition exceeds the preset operation condition range. Otherwise, step S504 is executed. And confirming the operation conditions according to the configured operation condition ranges of the operating personnel, the supervision personnel, the construction equipment and the monitoring equipment, wherein the operation can be carried out only if the operation condition ranges of the operating personnel, the supervision personnel, the construction equipment and the monitoring equipment are met. And the safety risk of the operation is reduced from the source.
Step S503: and generating alarm information to alarm.
Step S504: and carrying out operation permission examination and approval according to the operation safety plan and a preset operation permission examination and approval strategy. The operation permission can be approved only when the current operation condition meets the preset operation condition range, and specifically, the operation permission can be approved based on a preset operation permission approval strategy by comprehensively considering an operation safety plan, the current operation condition and the like. The operation of operation permission approval is added in the operation safety supervision of the limited space, so that the safety inspection work before the operation of the limited space can be further strictly controlled, and the operation safety of the operating personnel is ensured.
Further, in another embodiment of the present invention, the method for supervising the operation safety in the limited space further includes performing an operation safety analysis on the operation safety plan according to the operation safety plan and a preset operation safety analysis strategy to obtain an operation latent risk, and generating an operation safety analysis report for a corresponding operation latent risk based on a preset risk corresponding measure making strategy. Further, the job security analysis report may be considered in the approval of the job permission along with the job security plan, the current job conditions, and the like.
Further, in another embodiment of the present invention, the method for supervising the safety of the operation in the limited space further includes conducting a toolbox conference to perform a safe transaction on the operation in the limited space before the operation, and generating and storing a safe transaction record. Specifically, a toolbox conference refers to a risk and safety measure in which operators are gathered together before operation, and a job principal or a technician performs interaction with the operators to communicate with the operators. The toolbox conference is held before operation, so that operators can know risks possibly faced in the operation process in advance and pay attention to the operators, and operation accidents caused by temporary negligence of the operators are avoided.
Further, in another embodiment of the present invention, the method for supervising the operation safety in the limited space further includes performing statistical analysis on the accident situation of the limited space, the personnel entering and exiting situation of the limited space, the state situation of the limited space, the risk factor situation of the limited space, the operation situation of the limited space, the safety inspection situation of the limited space, and the safety observation situation of the operation behavior in the limited space according to a preset statistical analysis strategy, and generating a statistical analysis report. Specifically, the accident event of the limited space comprises an alarm event of monitoring equipment (a temperature sensor, a humidity sensor, a gas sensor or other sensors), an alarm event of an operator, a monitoring personnel and the like, and the statistical analysis is carried out on the accident event of the limited space, so that the occurrence rule of the accident event can be found, and a basis is provided for a manager to improve the safety technical measures of the limited space and to investigate and obtain evidence of the accident; the access condition of the personnel in the limited space is mainly the access time of the operating personnel, and an access statistical analysis chart of the operating personnel is generated. The manager can visually check the reasonability of the work and rest time arrangement of the operators according to the statistical analysis chart of the operators in and out, and provide a basis for reasonably arranging the operation; the state condition of the restricted space is mainly the operation state condition (such as environment state, vital sign state of the operator, operation permission and approval state, operation safety state and the like) in the restricted space; the risk condition of the limited space is mainly a safe risk state of the limited space, the safe risk state of the limited space is subjected to statistical analysis, a manager can visually check the risk level condition of the limited space and judge high-risk limited space operation according to the risk level condition, so that key supervision is performed, supervision tasks are reasonably arranged, and the safe working efficiency is improved. The analysis of the dangerous factor condition of the limited space mainly comprises the step of carrying out statistical analysis on the dangerous factors existing in the operation of the limited space, so that a manager can visually check the dangerous factors existing in the operation of the limited space and the risk index level of accidents caused by the dangerous factors, and accordingly, targeted safety prevention and emergency measures are made according to the analysis of the dangerous factors. The limited space operation condition analysis mainly analyzes the historical operation condition performed in the limited space, so that a manager can visually check the type information of the historical operation in the limited space. The limited space safety inspection condition refers to a safety inspection confirmation result before limited space operation, and the statistical analysis of the safety inspection confirmation result before limited space operation is a problem that a manager can visually check the daily safety management process, so that support is provided for improving safety management. The observation of the safety of the operation behaviors in the limited space refers to that a supervisor observes the operation behaviors of the operation personnel in the operation process of the operation personnel, further judges the safe or unsafe state of the operation behaviors, performs statistical analysis on the observed safe or unsafe state, and provides a basis for a manager to improve the safety technical measures of the limited space.
Further, in another embodiment of the present invention, the method for supervising the operation safety in the restricted space further includes monitoring the operation time of the operator in the restricted space, comparing the operation time with a preset operation time threshold, and generating an alarm message to alarm if the operation time exceeds the preset operation time threshold. The preset operation time threshold is the safe operation time of the operator, the operation time of the operator in the limited space is monitored, the operation time is compared with the preset operation time threshold, whether the operation time of the operator exceeds the safe operation time of the operator is judged, once the operation time of the operator exceeds the safe operation time, the alarm information is pushed to remind, and the operator is prevented from being in an overload working state.
Further, the preset operation time threshold is determined according to temperature and humidity information inside the limited space and the comparison relationship between the temperature and humidity information and the working time. The preset operation time threshold (safe operation time) is determined according to the temperature and humidity information in the limited space, the determined safe operation time is more scientific, generally speaking, long-time operation in the environment with overhigh or overlow temperature and humidity can affect the physical health of the operator, and therefore the safety of the operator can be ensured by a method for properly shortening the operation time of the operator when the temperature and humidity in the limited space are overhigh or overlow.
Further, in another embodiment of the present invention, the method for supervising the operation safety in the limited space further includes recording the entry and exit of the operating personnel into and out of the limited space, and if a safety accident occurs, determining the number and identity of the operating personnel trapped in the limited space according to the record of the entry and exit of the operating personnel into and out of the limited space. The entering and exiting of the operating personnel into the limited space are recorded, and once a safety accident occurs, the operating personnel are trapped in the limited space, so that the quantity and the identity of the trapped personnel can be rapidly known. Specifically, the entrance guard device can be arranged at the entrance of the limited space, and the operator can swipe the card at the entrance guard when entering and exiting the limited space, so that the number of the operators in the limited space and the identity of the operators can be known according to the card swiping record.
Further, in another embodiment of the present invention, the method for supervising the operation safety in the limited space further includes acquiring the position information of the operator in the limited space when the alarm information is generated to alarm, and pushing the position information and the alarm information to the terminal device of the supervisor. Specifically, limited personnel carry with positioner, in case of the accident, can in time follow the position of operation personnel through positioner, give supervisory personnel with operation personnel position and alarm information propelling movement together, make things convenient for the development of follow-up rescue action.
The method for supervising the operation safety of the limited space can monitor the environmental information, the video information and the vital sign information in the limited space in real time in the operation process, and can give an alarm in time once abnormal conditions occur so as to ensure the safety of operating personnel in the operation process. In addition, the method for supervising the operation safety in the limited space of the invention can monitor the operation in real time from the operation safety plan before the operation, the operation condition confirmation, the operation permission examination and approval and the like to the alarm of the abnormal condition, thereby forming a set of complete and systematic supervising method and providing all-round protection for the operation personnel.
The terms and expressions used in the specification of the present invention have been set forth for illustrative purposes only and are not meant to be limiting. It will be appreciated by those skilled in the art that changes could be made to the details of the above-described embodiments without departing from the underlying principles thereof. The scope of the invention is, therefore, indicated by the appended claims, in which all terms are intended to be interpreted in their broadest reasonable sense unless otherwise indicated.
Claims (10)
1. A method for safety supervision of operations in a restricted space, the method comprising:
monitoring environmental information in a limited space based on preset environmental parameter monitoring equipment, judging whether the environmental information is in a preset environmental information range or not, and generating alarm information to give an alarm if the environmental information exceeds the preset environmental information range;
monitoring the operation behavior of an operator in a limited space based on preset operation behavior parameter monitoring equipment, judging whether the operation behavior is a preset operation safety behavior, and if not, generating alarm information to alarm;
monitoring vital sign information of an internal operation worker in a limited space based on preset vital sign parameter monitoring equipment, judging whether the vital sign information is in a preset vital sign information range, and if the vital sign information exceeds the preset vital sign information range, generating alarm information to give an alarm.
2. The restricted space work safety supervision method according to claim 1, characterized in that the method further comprises:
monitoring whether an operator in a limited space uses a positive pressure type respirator technical parameter based on preset positive pressure type respirator parameter monitoring equipment, judging whether the positive pressure type respirator technical parameter is a preset technical parameter, and if not, generating alarm information to alarm.
3. The confined space operation safety supervision method according to claim 1, wherein the environmental information includes at least temperature, humidity, illuminance, heat index, oxygen concentration, combustible gas concentration, carbon monoxide concentration, hydrogen sulfide concentration, combustible dust concentration, or combustible steam concentration.
4. The restricted space work safety supervision method according to claim 1, characterized in that the method further comprises:
creating an operation safety plan, and configuring preset operation condition ranges of operation personnel, supervision personnel, operation safety analysis, safety measures, construction equipment, emergency equipment and monitoring equipment according to the operation safety plan;
checking and collecting the current operation condition in the limited space in real time, judging whether the current operation condition is in the range of the preset operation condition, if the current operation condition exceeds the range of the preset operation condition, generating alarm information to give an alarm, and if not, carrying out operation permission approval according to the operation safety plan and a preset operation permission approval strategy.
5. The restricted space work safety supervision method according to claim 4, characterized in that the method further comprises:
according to the operation safety plan and a preset operation safety analysis strategy, operation safety analysis is carried out on the operation safety plan to obtain operation potential risks, and operation safety analysis reports are generated aiming at the operation potential risks based on a preset risk countermeasure making strategy.
6. The restricted space work safety supervision method according to claim 5, characterized in that the method further comprises:
and developing a tool kit conference before operation to carry out safe transaction on the operation in the limited space, and generating and storing a safe transaction record.
7. The restricted space secure job oversight method of claim 1, further comprising:
and carrying out statistical analysis on the conditions of the accident event of the limited space, the conditions of the personnel entering and exiting the limited space, the conditions of the state of the limited space, the conditions of the risk factors of the limited space, the conditions of the operation in the limited space, the conditions of the safety inspection of the limited space and the safety observation conditions of the operation behavior in the limited space according to a preset statistical analysis strategy to generate a statistical analysis report.
8. The restricted space secure job oversight method of claim 1, further comprising:
monitoring the operation time of an operator in a limited space, comparing the operation time with a preset operation time threshold value, and generating alarm information to alarm if the operation time exceeds the preset operation time threshold value;
and the preset operation time threshold is determined according to the temperature and humidity information in the limited space and the comparison relationship between the temperature and humidity information and the working time.
9. The restricted space work safety supervision method according to claim 1, characterized in that the method further comprises:
and recording the access of the operating personnel to the limited space, and determining the number and identity of the operating personnel trapped in the limited space according to the record of the access of the operating personnel to the limited space if a safety accident occurs.
10. The restricted space work safety supervision method according to claim 1, characterized in that the method further comprises:
when alarm information is generated to alarm, the position information of an operator in a limited space is obtained, and the position information and the alarm information are pushed to a terminal device of a supervisor.
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| CN113095644A (en) * | 2021-03-31 | 2021-07-09 | 北京骏陇国际石油工程技术有限公司 | Oil and gas field construction site information management system and method |
| CN113917903A (en) * | 2021-12-14 | 2022-01-11 | 广州市腾嘉自动化仪表有限公司 | Wireless safety monitoring system for limited space |
| CN114937340A (en) * | 2022-04-18 | 2022-08-23 | 中航西安飞机工业集团股份有限公司 | Narrow and small space life guarantee system of aircraft wing box |
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| CN115206042A (en) * | 2022-07-14 | 2022-10-18 | 广东电网有限责任公司 | Intelligent monitoring method, device, equipment and medium for industrial control safety |
| CN115601905A (en) * | 2022-12-13 | 2023-01-13 | 湖南前行科创有限公司（Cn） | Intelligent security alarm method and system for intelligent park |
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