CN112149847A - Flow confirmation method for limited space operation - Google Patents
Flow confirmation method for limited space operation Download PDFInfo
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- CN112149847A CN112149847A CN202011027215.4A CN202011027215A CN112149847A CN 112149847 A CN112149847 A CN 112149847A CN 202011027215 A CN202011027215 A CN 202011027215A CN 112149847 A CN112149847 A CN 112149847A
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Abstract
The invention discloses a flow confirmation method for limited space operation, which comprises the following steps: s1: constructing a three-dimensional model output system of a spatial structure and a virtual character model; s2: shooting and recording an operation site in real time to acquire operation site space structure information to obtain operation site space data; s3: detecting the air components and the content of the operation site to obtain air component data of the operation site; s4: importing the operation site space data and the operation site air component data into a space structure three-dimensional model output system, and outputting an operation site space model through the space structure three-dimensional model output system; s5: and inputting the relevant information of the maintenance personnel into the virtual character model. The invention simulates the danger coefficient of the maintenance personnel in the maintenance process through the real model so as to judge the safety of the maintenance work, improves the environmental condition in the limited space according to the danger coefficient, reduces the danger coefficient and effectively ensures the personal safety of the maintenance personnel.
Description
Technical Field
The invention relates to the technical field of chemical engineering operation safety, in particular to a flow confirmation method for limited space operation.
Background
The limited space is a space which is closed or partially closed, is relatively isolated from the outside, has a narrow entrance and exit, and is easy to cause accumulation of toxic, harmful, flammable and explosive substances or insufficient oxygen content, so that workers cannot work for a long time. At present, in the chemical industry field, the following mode is adopted for safety protection of limited space operation: firstly, a detection probe of a sampling pump extends into a limited space to detect toxic and harmful gases in the limited space, and the toxic and harmful gases can enter the limited space after a detection result is qualified; in the operation process, the operating personnel need hand-carry portable toxic gas detector, detect the inside gas in limited space in real time, when detecting poisonous harmful gas, the detector can automatic alarm, remind the operating personnel. When the operator enters the limited space for operation, the outside of the limited space is also provided with a corresponding guardian, and once the inside operator finds the environment abnormality through the gas detector, the outside guardian is informed in time, so that the occurrence of accidents can be avoided. Through retrieval, chinese patent application No. CN111080975A discloses a method for performing security protection on limited space operation, which is performed outside the limited space, and the method includes: receiving and processing a real-time video image sent from the interior of a limited space; receiving and processing real-time concentration detection data of a predetermined gas sent from the interior of a limited space; displaying the processed video image and the processed concentration detection data in real time; when the concentration detection data reach a preset concentration threshold value, an alarm is given, and the design can effectively monitor a limited space in real time and avoid accidents.
However, in the prior art, when maintenance operation is performed in a limited space, possible dangerous situations cannot be accurately simulated and predicted, the environmental conditions of an operation site are inconvenient to improve, the operation danger coefficient is large, and the safety of maintenance personnel cannot be guaranteed, so that a flow confirmation method for the limited space operation is provided for solving the problems.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a flow confirmation method for limited space operation.
The invention provides a flow confirmation method for limited space operation, which comprises the following steps:
s1: constructing a three-dimensional model output system of a spatial structure and a virtual character model;
s2: shooting and recording an operation site in real time to acquire operation site space structure information to obtain operation site space data;
s3: detecting the air components and the content of the operation site to obtain air component data of the operation site;
s4: importing the worksite space data described in the step S2 and the worksite air composition data described in the step S3 into the spatial structure three-dimensional model output system described in the step S1, and outputting the worksite space model through the spatial structure three-dimensional model output system;
s5: inputting the relevant information of the maintenance personnel into the virtual character model in the step S1 and constructing a maintenance personnel virtual model;
step S6: importing the virtual model of the maintenance personnel in the step S5 into the operation field space model in the step S4, and calculating a risk coefficient borne by the virtual model of the maintenance personnel in the maintenance process;
step S7: setting an alarm threshold value of the risk coefficient;
step S8: performing simulated maintenance work in the operation field space model through the maintenance personnel virtual model, and exporting dangerous items when the danger coefficient exceeds the alarm threshold in the step S7;
step S9: and (4) the operator carries out improved design on equipment and an operation site of the maintenance personnel according to the dangerous events derived in the step (S8), and the steps (S1) to (S9) are repeated until the virtual model of the maintenance personnel runs safely.
Preferably, in step S2, the worksite space data includes a worksite space size, a pipeline direction, a kind of fluid in the pipeline, a temperature, a humidity and a wind direction.
Preferably, in the step S3, in the air quality inspection process of the job site, the measurement is performed at the middle part and each corner part of the job site.
Preferably, in the air component detection process of step S3, the oxygen content, the carbon dioxide content, and the leakage concentration of the gas in the pipeline at the work site are detected.
Preferably, in step S5, the information related to the serviceman includes height, weight, cardiopulmonary ability, and the size of the tool used.
Preferably, in step S9, after the virtual model of the serviceman is safely operated for more than 3 times, the serviceman performs actual maintenance work.
The flow confirmation method for the limited space operation has the beneficial effects that:
(1) the method comprises the steps of constructing a three-dimensional model on an operation site by collecting structural structure and spatial structure information of the operation site, wherein relevant data of the three-dimensional model completely accord with the operation site, constructing a virtual character of a maintenance worker according to relevant information such as body type of the maintenance worker, carrying out corresponding overhaul and maintenance work on the virtual character in the three-dimensional model, and completely and truly predicting and simulating various conditions which may occur in the operation process;
(2) the danger coefficient of a virtual character of a maintenance worker in the process of simulating maintenance operation is analyzed in real time, when the danger coefficient exceeds a preset value, the reason for the danger coefficient is derived for the operation worker to refer to so as to improve the operation site environment for protection in advance, and the maintenance worker performs actual maintenance operation after the virtual character is subjected to safety simulation for multiple times;
the invention simulates the danger coefficient of the maintenance personnel in the maintenance process through the real model so as to judge the safety of the maintenance work, improves the environmental condition in the limited space according to the danger coefficient, reduces the danger coefficient and effectively ensures the personal safety of the maintenance personnel.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
A flow confirmation method of limited space operation comprises the following steps:
s1: constructing a three-dimensional model output system of a spatial structure and a virtual character model;
s2: shooting and recording an operation site in real time to acquire operation site space structure information to obtain operation site space data;
s3: detecting the air components and the content of the operation site to obtain air component data of the operation site;
s4: importing the worksite space data described in the step S2 and the worksite air composition data described in the step S3 into the spatial structure three-dimensional model output system described in the step S1, and outputting the worksite space model through the spatial structure three-dimensional model output system;
s5: inputting the relevant information of the maintenance personnel into the virtual character model in the step S1 and constructing a maintenance personnel virtual model;
step S6: importing the virtual model of the maintenance personnel in the step S5 into the operation field space model in the step S4, and calculating a risk coefficient borne by the virtual model of the maintenance personnel in the maintenance process;
step S7: setting an alarm threshold value of the risk coefficient;
step S8: performing simulated maintenance work in the operation field space model through the maintenance personnel virtual model, and exporting dangerous items when the danger coefficient exceeds the alarm threshold in the step S7;
step S9: and (4) the operator carries out improved design on equipment and an operation site of the maintenance personnel according to the dangerous events derived in the step (S8), and the steps (S1) to (S9) are repeated until the virtual model of the maintenance personnel runs safely.
In this embodiment, the job site space data includes the size of the job site space, the direction of the pipeline, the type of fluid in the pipeline, the temperature, the humidity, and the wind direction in step S2, and in the process of inspecting the air quality in the job site, the measurement is performed at the middle and each corner of the job site in step S3.
In this embodiment, in step S3, during the air composition detection process, the oxygen content, the carbon dioxide content, and the leakage concentration of the gas in the pipeline at the work site are detected, in step S5, the relevant information of the maintenance personnel includes height, weight, cardiopulmonary capacity, and the size of the tools used, and in step S9, after the virtual model of the maintenance personnel runs safely more than 3 times, the maintenance personnel performs actual maintenance work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A flow confirmation method of limited space operation is characterized by comprising the following steps:
s1: constructing a three-dimensional model output system of a spatial structure and a virtual character model;
s2: shooting and recording an operation site in real time to acquire operation site space structure information to obtain operation site space data;
s3: detecting the air components and the content of the operation site to obtain air component data of the operation site;
s4: importing the worksite space data described in the step S2 and the worksite air composition data described in the step S3 into the spatial structure three-dimensional model output system described in the step S1, and outputting the worksite space model through the spatial structure three-dimensional model output system;
s5: inputting the relevant information of the maintenance personnel into the virtual character model in the step S1 and constructing a maintenance personnel virtual model;
step S6: importing the virtual model of the maintenance personnel in the step S5 into the operation field space model in the step S4, and calculating a risk coefficient borne by the virtual model of the maintenance personnel in the maintenance process;
step S7: setting an alarm threshold value of the risk coefficient;
step S8: performing simulated maintenance work in the operation field space model through the maintenance personnel virtual model, and exporting dangerous items when the danger coefficient exceeds the alarm threshold in the step S7;
step S9: and (4) the operator carries out improved design on equipment and an operation site of the maintenance personnel according to the dangerous events derived in the step (S8), and the steps (S1) to (S9) are repeated until the virtual model of the maintenance personnel runs safely.
2. The method for flow confirmation of limited-space work according to claim 1, wherein the worksite space data includes worksite space size, pipe orientation, type of fluid in the pipe, temperature, humidity and wind direction in step S2.
3. The method for confirming a flow of a limited space work according to claim 1, wherein in the step S3, the air quality inspection at the work site is performed by measuring the positions of the middle part and each corner part at the work site.
4. The method for confirming a flow of a limited space operation according to claim 1, wherein in the step S3, the oxygen content, the carbon dioxide content, and the leakage concentration of the gas in the pipeline at the operation site are detected in the air composition detecting process.
5. The method for flow confirmation of limited space operation as claimed in claim 1, wherein the relevant information of the serviceman in step S5 includes height, weight, cardiopulmonary capability and size category of the tool used.
6. The method for flow confirmation of limited space operation as claimed in claim 1, wherein in step S9, the maintenance personnel performs the actual maintenance work after the maintenance personnel virtual model has been safely operated for more than 3 times.
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| CN202011027215.4A CN112149847A (en) | 2020-09-25 | 2020-09-25 | Flow confirmation method for limited space operation |
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| CN202011027215.4A CN112149847A (en) | 2020-09-25 | 2020-09-25 | Flow confirmation method for limited space operation |
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Citations (6)
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| KR20160149091A (en) * | 2015-06-17 | 2016-12-27 | 쌍용건설 주식회사 | System and method for three-dimensional safety management using avatar |
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| CN109767090A (en) * | 2018-12-27 | 2019-05-17 | 浙江省天正设计工程有限公司 | A kind of chemical hazard process risk intelligent control method |
| CN110705834A (en) * | 2019-09-10 | 2020-01-17 | 安徽海螺信息技术工程有限责任公司 | Industrial and mining enterprise dangerous state identification method |
| CN111080975A (en) * | 2019-12-23 | 2020-04-28 | 国家能源集团宁夏煤业有限责任公司 | Method and system for carrying out safety protection on limited space operation |
| CN111325455A (en) * | 2020-02-13 | 2020-06-23 | 中国安全生产科学研究院 | Limited space operation safety risk assessment system |
-
2020
- 2020-09-25 CN CN202011027215.4A patent/CN112149847A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160149091A (en) * | 2015-06-17 | 2016-12-27 | 쌍용건설 주식회사 | System and method for three-dimensional safety management using avatar |
| CN108230440A (en) * | 2017-12-29 | 2018-06-29 | 杭州百子尖科技有限公司 | Chemical industry whole process operating system and method based on virtual augmented reality |
| CN109767090A (en) * | 2018-12-27 | 2019-05-17 | 浙江省天正设计工程有限公司 | A kind of chemical hazard process risk intelligent control method |
| CN110705834A (en) * | 2019-09-10 | 2020-01-17 | 安徽海螺信息技术工程有限责任公司 | Industrial and mining enterprise dangerous state identification method |
| CN111080975A (en) * | 2019-12-23 | 2020-04-28 | 国家能源集团宁夏煤业有限责任公司 | Method and system for carrying out safety protection on limited space operation |
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Non-Patent Citations (1)
| Title |
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| 黄郑华;李建华;边成;周杰;: "有限空间作业危险因素分析与安全措施", 中国公共安全(学术版), no. 04 * |
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