CN111047943A - Training and checking method for limited space operation - Google Patents
Training and checking method for limited space operation Download PDFInfo
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- CN111047943A CN111047943A CN201911414896.7A CN201911414896A CN111047943A CN 111047943 A CN111047943 A CN 111047943A CN 201911414896 A CN201911414896 A CN 201911414896A CN 111047943 A CN111047943 A CN 111047943A
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Abstract
The invention belongs to the field of limited space operation training, and particularly relates to a training and assessment method for limited space operation. The method is completed by a simulated limited space operating room, ventilation equipment, a virtual gas sensor, an inlet and outlet pipeline, electronic interaction equipment, an article placing area, a sensing channel, a warning and warning set point, a master control acquisition module, an examination host and operation sensing devices arranged in all links; the method comprises the steps that an operation induction device for an operator to operate is arranged according to a limited space operation process, the operation induction device transmits collected operation signals to an examination host through a main control collection module, and the examination host decodes the obtained signals through software to generate corresponding data to serve as examination basis of the operator. The method is low in implementation cost, can be copied in a large scale, is popularized and used for personnel drill and examination, and improves the training and examination effects of the operation in the limited space.
Description
Technical Field
The invention belongs to the field of limited space operation training, and particularly relates to a training and assessment method for limited space operation.
Background
The limited space is a closed or partially closed space, an inlet and an outlet are narrow and limited, the limited space is not designed as a fixed working place, and the limited space has poor natural ventilation and is easy to cause accumulation of toxic and harmful, flammable and explosive substances or insufficient oxygen content.
The operation in the limited space mainly has the following hazards:
poisoning hazards: confined spaces are prone to high concentrations of toxic and hazardous materials. The toxic and harmful substances can be originally present in a limited space, and can also be gradually accumulated in the operation process, and the common substances are as follows:
1. hydrogen sulfide. Such as cleaning and dredging sewers, manure closets, spatial inspection wells, sewage pools, cellars and the like, are easy to generate hydrogen sulfide.
2. Carbon monoxide. For example, in municipal construction and road construction, gas pipelines are damaged, gas permeates into a limited space or a nearby dwelling, carbon monoxide is accumulated, and residual carbon monoxide in equipment leaks during equipment maintenance.
3. Benzene, toluene, xylene. When the anticorrosive coating operation is carried out in a limited space, the concentration of toxic substances is gradually increased and the like due to the volatilization of organic solvents such as benzene, toluene, xylene and the like contained in the coating.
(II) oxygen deficiency hazard: oxygen deficiency can be caused by too low a concentration of oxygen in the air.
1. Carbon dioxide. Because carbon dioxide is heavier than air, carbon dioxide easily occupies space in various places with poor long-term ventilation, such as mines, cellars, cabins, cold storages and the like, so that the oxygen concentration is low and oxygen deficiency is caused.
2. Inert gases such as nitrogen, argon, helium, water vapor, and the like. The industrial inert gas is commonly used for washing containers such as a reaction kettle, a storage tank, a steel cylinder and the like, the residual inert gas in the containers is too much, and when workers enter the containers, simple oxygen deficiency or suffocation is easy to occur. Methane, propane can also cause hypoxia or asphyxiation.
(III) blasting hazard: inflammable and explosive substances exist in the air, and the explosion or combustion can be caused when the concentration is too high and meets fire.
(IV) other hazards: any other life-threatening or health-threatening environmental condition. Such as falling, drowning, object striking, electric shock, etc.
Therefore, the method is particularly important for safety training before workers are engaged in limited space. The existing training and assessment method mainly takes on-site invigilation and marking of invigilators as a main part, is difficult to accurately quantify and has insufficient informatization degree.
Disclosure of Invention
In order to solve the problems, the invention provides a training and assessment method for limited space operation.
The method is completed by a simulated limited space operating room, ventilation equipment, a virtual gas sensor, an inlet and outlet pipeline, electronic interaction equipment, an article placing area, a sensing channel, a warning and warning set point, a master control acquisition module, an examination host and operation sensing devices arranged in all links;
the method comprises the steps that operation induction devices of various operations are arranged according to a limited space operation process, the operation induction devices transmit collected operation signals to an examination host through a main control collection module, and the examination host decodes the obtained signals through software to generate corresponding data to serve as examination basis of operators.
Further, the steps of the restricted space workflow are as follows:
the method comprises the following steps: the energy isolation process is used for completing the isolation of inlet and outlet pipelines of toxic gas, combustible gas, volatile gas, dust and the like, and the isolation is realized by additionally arranging a blind plate and closing a valve;
step two: a locking and label hanging process, namely locking and label hanging are carried out on the pipeline valve;
step three: a ventilation and replacement process, wherein ventilation equipment is used for ventilating (or replacing equipment) the working room of the limited space and discharging toxic and harmful substances in the working room of the limited space;
step four: the working environment detection process detects the working environment state in the working room in the limited space through detection devices such as a gas sensor and the like, and obtains data such as temperature, oxygen content, toxic gas content, combustible gas content and the like;
condition 1: determining whether the result meets the safety index, if so, executing the fourth step, otherwise, returning to the second step;
step five: the warning setting process is used for completing the suspension of the registration plate at the entrance and the exit of the restricted space operation room and the setting of a warning area; the warning area is provided with warning rods arranged around the restricted space operating room, and warning lines are arranged between the adjacent warning rods;
step six: an article taking and selecting process, namely selecting protective articles and operation tools according to the determined operation scene;
step seven: the safety homework certificate is handled, and the information on the homework certificate comprises personnel identity information, operation environment information, warning setting information, article selection information and the like;
step eight: entering the limited space and an operation process, and carrying out maintenance and completing a corresponding instruction according to a field fault;
step nine: cleaning points and restoring the flow on site: including the cleaning and homing of the checking and protection articles, the operation tools and the warning setting tools of the participators.
Further, the setting and signal transmission modes of the operation sensing device are as follows:
A. in the energy isolation process, for the isolation mode of additionally installing the blind plate, photoelectric correlation sensors are arranged on two sides of the blind plate in each inlet pipeline and each outlet pipeline, and are transmitted to electronic interaction equipment in a simulated limited space operation room through NPN switching value signals, and further transmitted to a main control acquisition module through 1 path of RS-485 signals;
B. in the locking and tagging process, the locking and tagging is carried out through a switching value signal of a padlock mechanism designed by induction and is transmitted to the electronic interaction device, and further transmitted to the master control acquisition module through 1 path of RS-485 signals;
C. a ventilation replacement process, wherein 2 paths of relay control signals are used for controlling ventilation equipment, and 4 paths of NPN switching value signals are used for acquiring the ventilation switching state and transmitting the ventilation switching state to a main control acquisition module;
D. the method comprises the following steps of working environment detection flow, wherein a gas sensor is a virtual gas sensor consisting of a probe gun and a UHF (ultra high frequency) card reader additionally arranged at the head of the probe gun, a plurality of UHF electronic tags distributed and installed in a simulated limited space working chamber are used as detection points, the virtual gas sensor is used for reading the plurality of detection points in the simulated limited space working chamber, and reading signals are transmitted to a main control acquisition module through 1 RS-485 signal path;
E. a photoelectric sensor is arranged behind the hanging position of the registration plate at the entrance and exit, and a signal of hanging or taking down the registration plate is transmitted to a main control acquisition module through 1 path of NPN switching value signals; arranging photoelectric sensors in the placement areas of the warning rods, and transmitting signals of the placement areas to a main control acquisition module through multiple paths of NPN switching value signals;
F. the method comprises the following steps that an article taking and selecting process is carried out, each protective article and each operation tool are selected on an article shelf, UHF electronic tags are arranged on the protective articles and the operation tools, an article placing induction sensor is additionally arranged below each article placing area of the article shelf, and taking and returning signals of each article are transmitted to a main control acquisition module through multi-path NPN switching value signals of the article placing sensors; after the corresponding article is worn, a UHF ultrahigh frequency card reader is arranged on the induction channel, reading the UHF electronic tag information of each protection article and transmitting the information to the main control module through 1 path of RS-485 signals;
G. the safety operation certificate is handled, and the identity information of the operator and the information collected by the A-E are registered and uploaded to the assessment host;
H. entering a restricted space and an operation process, arranging a photoelectric correlation sensor at an inlet of a simulated restricted space operation room, sensing the in-out state of a person through 2 paths of NPN switching value signals, transmitting the in-out state to a main control acquisition module, and receiving a corresponding instruction and completing the operation through electronic interaction equipment after entering the simulated restricted space operation room;
I. cleaning points and recovering the flow on site, wherein a cleaning tool collects return state information of the objects sensed by a sensor additionally arranged below each object placing area of the commodity shelf; counting the number of people is completed by a photoelectric correlation sensor arranged at the entrance of the restricted space operation room; the field recovery is completed by detecting whether the operation states such as energy isolation, locking and tagging, warning setting and the like are recovered;
J.A-H, and the information of each node is transmitted to the assessment host, and the assessment personnel or the assessment software obtains each item of operation data of the operator after decoding, so as to make quantitative assessment.
Further, the method comprises the following operation steps:
the method comprises the following steps: starting a system and carrying out self-checking;
step two: selecting a limited space operation scene;
step three: sequencing the current scene operation flows on the assessment host, and submitting the current scene operation flows after the current scene operation flows are completed;
step four: in the energy isolation process, an operator adopts isolation measures such as additionally installing a blind plate and closing a valve to isolate energy, and the system senses an operation result by acquiring the state of a photoelectric sensor;
step five; a locking and tagging process, wherein an operator finishes locking and tagging operation, and a system senses an operation result by collecting the state of a padlock mechanism;
step six: in the ventilation replacement process, an operator operates a ventilation switch, the ventilation equipment power supply is switched on for ventilation for 1-2 minutes, then the ventilation switch is operated to switch off the ventilation equipment power supply, and 2 paths of relay control signals and 4 paths of NPN switching value signals are transmitted to a main control acquisition module to further sense an operation result;
step seven: the working environment detection process comprises the steps that an operator uses a probe gun with a virtual gas sensor to probe a plurality of detection points in a limited space for detection;
condition 1: judging whether indexes such as temperature, oxygen, toxic gas and combustible gas are qualified or not, if so, executing the step eight, and if not, returning to the step six;
step eight: the warning setting process comprises the steps that an operator hangs a check-in board, a warning rod in a warning area is placed, and the system senses an operation result by acquiring the state of a photoelectric sensor;
step nine: the method comprises the following steps that an article taking and selecting process is carried out, each protective article and an operation tool are selected on a storage rack, after the article is worn, the system passes through an induction channel, and operation results are obtained by collecting the state of a sensor on the storage rack and the UHF electronic tag ID of each protective article read by induction channel equipment;
step ten: the safety homework certificate is handled, a template for generating the homework certificate on the checking host computer is extracted through the system, supplemented and filled by the operating personnel and submitted after completion;
step eleven: the method comprises the following steps of operating a space internal operation process, enabling operators ready for protection to enter from simulated limited space operation scenes, and completing continuous environment monitoring, internal and external communication, interaction of emergency first-aid scenes and the like through internally installed electronic interaction equipment;
step twelve: cleaning, counting and field recovery processes, wherein the results of cleaning tools, counting number and field recovery are sensed by sensors arranged at all parts of the system to obtain operation results;
step thirteen: after each examination process is finished, the system gives examination evaluation results and examination scores to the operating personnel.
The invention has the beneficial effects that: the method comprises the steps that sensors are arranged at all nodes of a limited space operation process, and operation result data returned by the sensors are collected, so that training and examination are accurately and quantitatively performed on operators; the informatization assessment method avoids uncontrollable factors generated by artificial invigilation and can realize mechanical examination; the method is low in implementation cost, can be copied in a large scale, is popularized and used for personnel drill and examination, and improves the training and examination effects of the operation in the limited space.
Drawings
FIG. 1 is a schematic diagram of the functional implementation of the present invention;
FIG. 2 is a flow chart of the operation of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1 and 2: a training and checking method for limited space operation.
The method is completed by a simulated limited space operating room, ventilation equipment, a virtual gas sensor, an inlet and outlet pipeline, electronic interaction equipment, an article placing area, a sensing channel, a warning and warning set point, a master control acquisition module, an examination host and operation sensing devices arranged in all links;
the method comprises the steps that an operation induction device for an operator to operate is arranged according to a limited space operation process, the operation induction device transmits collected operation signals to an examination host through a main control collection module, and the examination host decodes the obtained signals through software to generate corresponding data to serve as examination basis of the operator.
Further, the steps of the restricted space workflow are as follows:
the method comprises the following steps: the energy isolation process is used for completing the isolation of inlet and outlet pipelines of toxic gas, combustible gas, volatile gas, dust and the like, and the isolation is realized by additionally arranging a blind plate and closing a valve;
step two: a locking and label hanging process, namely locking and label hanging are carried out on the pipeline valve;
step three: a ventilation and replacement process, wherein ventilation equipment is used for ventilating (or replacing equipment) the working room of the limited space and discharging toxic and harmful substances in the working room of the limited space;
step four: the working environment detection process detects the working environment state in the working room in the limited space through detection devices such as a gas sensor and the like, and obtains data such as temperature, oxygen content, toxic gas content, combustible gas content and the like;
condition 1: determining whether the result meets the safety index, if so, executing the fourth step, otherwise, returning to the second step;
step five: the warning setting process is used for completing the suspension of the registration plate at the entrance and the exit of the restricted space operation room and the setting of a warning area; the warning area is provided with warning rods arranged around the restricted space operating room, and warning lines are arranged between the adjacent warning rods;
step six: an article taking and selecting process, namely selecting protective articles and operation tools according to the determined operation scene;
step seven: the safety homework certificate is handled, and the information on the homework certificate comprises personnel identity information, operation environment information, warning setting information, article selection information and the like;
step eight: entering the limited space and an operation process, and carrying out maintenance and completing a corresponding instruction according to a field fault;
step nine: cleaning points and restoring the flow on site: including the cleaning and homing of the checking and protection articles, the operation tools and the warning setting tools of the participators.
Further, the setting and signal transmission modes of the operation sensing device are as follows:
A. in the energy isolation process, for the isolation mode of additionally installing the blind plate, photoelectric correlation sensors are arranged on two sides of the blind plate in each inlet pipeline and each outlet pipeline, and are transmitted to electronic interaction equipment in a simulated limited space operation room through NPN switching value signals, and further transmitted to a main control acquisition module through 1 path of RS-485 signals;
B. in the locking and tagging process, the locking and tagging is carried out through a switching value signal of a padlock mechanism designed by induction and is transmitted to the electronic interaction device, and further transmitted to the master control acquisition module through 1 path of RS-485 signals;
C. a ventilation replacement process, wherein 2 paths of relay control signals are used for controlling ventilation equipment, and 4 paths of NPN switching value signals are used for acquiring the ventilation switching state and transmitting the ventilation switching state to a main control acquisition module;
D. the method comprises the following steps of working environment detection flow, wherein a gas sensor is a virtual gas sensor consisting of a probe gun and a UHF (ultra high frequency) card reader additionally arranged at the head of the probe gun, a plurality of UHF electronic tags distributed and installed in a simulated limited space working chamber are used as detection points, the virtual gas sensor is used for reading the plurality of detection points in the simulated limited space working chamber, and reading signals are transmitted to a main control acquisition module through 1 RS-485 signal path;
E. a photoelectric sensor is arranged behind the hanging position of the registration plate at the entrance and exit, and a signal of hanging or taking down the registration plate is transmitted to a main control acquisition module through 1 path of NPN switching value signals; arranging photoelectric sensors in the placement areas of the warning rods, and transmitting signals of the placement areas to a main control acquisition module through multiple paths of NPN switching value signals;
F. the method comprises the following steps that an article taking and selecting process is carried out, each protective article and each operation tool are selected on an article shelf, UHF electronic tags are arranged on the protective articles and the operation tools, an article placing induction sensor is additionally arranged below each article placing area of the article shelf, and taking and returning signals of each article are transmitted to a main control acquisition module through multi-path NPN switching value signals of the article placing sensors; after the corresponding article is worn, a UHF ultrahigh frequency card reader is arranged on the induction channel, reading the UHF electronic tag information of each protection article and transmitting the information to the main control module through 1 path of RS-485 signals;
G. the safety operation certificate is handled, and the identity information of the operator and the information collected by the A-E are registered and uploaded to the assessment host;
H. entering a restricted space and an operation process, arranging a photoelectric correlation sensor at an inlet of a simulated restricted space operation room, sensing the in-out state of a person through 2 paths of NPN switching value signals, transmitting the in-out state to a main control acquisition module, and receiving a corresponding instruction and completing the operation through electronic interaction equipment after entering the simulated restricted space operation room;
I. cleaning points and recovering the flow on site, wherein a cleaning tool collects return state information of the objects sensed by a sensor additionally arranged below each object placing area of the commodity shelf; counting the number of people is completed by a photoelectric correlation sensor arranged at the entrance of the restricted space operation room; the field recovery is completed by detecting whether the operation states such as energy isolation, locking and tagging, warning setting and the like are recovered;
J.A-H, and the information of each node is transmitted to the assessment host, and the assessment personnel or the assessment software obtains each item of operation data of the operator after decoding, so as to make quantitative assessment.
Further, the method comprises the following operation steps:
the method comprises the following steps: starting a system and carrying out self-checking;
step two: selecting a limited space operation scene;
step three: sequencing the current scene operation flows on the assessment host, and submitting the current scene operation flows after the current scene operation flows are completed;
step four: in the energy isolation process, an operator adopts isolation measures such as additionally installing a blind plate and closing a valve to isolate energy, and the system senses an operation result by acquiring the state of a photoelectric sensor;
step five; a locking and tagging process, wherein an operator finishes locking and tagging operation, and a system senses an operation result by collecting the state of a padlock mechanism;
step six: in the ventilation replacement process, an operator operates a ventilation switch, the ventilation equipment power supply is switched on for ventilation for 1-2 minutes, then the ventilation switch is operated to switch off the ventilation equipment power supply, and the ventilation equipment power supply is transmitted to a main control acquisition module through 2 paths of relay control signals and 4 paths of NPN switching value signals; further sensing an operation result;
step seven: the working environment detection process comprises the steps that an operator uses a probe gun with a virtual gas sensor to probe a plurality of detection points in a limited space for detection;
condition 1: judging whether indexes such as temperature, oxygen, toxic gas and combustible gas are qualified or not, if so, executing the step eight, and if not, returning to the step six;
step eight: the warning setting process comprises the steps that an operator hangs a check-in board, a warning rod in a warning area is placed, and the system senses an operation result by acquiring the state of a photoelectric sensor;
step nine: the method comprises the following steps that an article taking and selecting process is carried out, each protective article and an operation tool are selected on a storage rack, after the article is worn, the system passes through an induction channel, and operation results are obtained by collecting the state of a sensor on the storage rack and the UHF electronic tag ID of each protective article read by induction channel equipment;
step ten: the safety homework certificate is handled, a template for generating the homework certificate on the checking host is extracted through the system, filled in by an operator and submitted after completion;
step eleven: the method comprises the following steps of operating a space internal operation process, enabling operators ready for protection to enter from simulated limited space operation scenes, and completing continuous environment monitoring, internal and external communication, interaction of emergency first-aid scenes and the like through internally installed electronic interaction equipment;
step twelve: cleaning, counting and field recovery processes, wherein the results of cleaning tools, counting number and field recovery are sensed by sensors arranged at all parts of the system to obtain operation results;
step thirteen: after each examination process is finished, the system gives examination evaluation results and examination scores to the operating personnel.
Claims (4)
1. A training assessment method for limited space operation is characterized in that operation induction devices for various operations are arranged according to a limited space operation process, the operation induction devices transmit acquired operation signals to an assessment host through a main control acquisition module, and the assessment host decodes the acquired signals through software to generate corresponding data to serve as assessment basis of operation personnel.
2. The training assessment method for the confined space operation as claimed in claim 1, wherein the confined space operation flow comprises the following steps:
the method comprises the following steps: the energy isolation process is used for completing the isolation of inlet and outlet pipelines of toxic gas, combustible gas, volatile gas, dust and the like, and the isolation is realized by additionally arranging a blind plate and closing a valve;
step two: a locking and label hanging process, namely locking and label hanging are carried out on the pipeline valve;
step three: a ventilation and replacement process, wherein ventilation equipment is used for ventilating (or replacing equipment) the working room of the limited space and discharging toxic and harmful substances in the working room of the limited space;
step four: the working environment detection process detects the working environment state in the working room in the limited space through detection devices such as a gas sensor and the like, and obtains data such as temperature, oxygen content, toxic gas content, combustible gas content and the like;
condition 1: determining whether the result meets the safety index, if so, executing the fourth step, otherwise, returning to the second step;
step five: the warning setting process is used for completing the suspension of the registration plate at the entrance and the exit of the restricted space operation room and the setting of a warning area; the warning area is provided with warning rods arranged around the restricted space operating room, and warning lines are arranged between the adjacent warning rods;
step six: an article taking and selecting process, namely selecting protective articles and operation tools according to the determined operation scene;
step seven: the safety homework certificate is handled, and the information on the homework certificate comprises personnel identity information, operation environment information, warning setting information, article selection information and the like;
step eight: entering the limited space and an operation process, and carrying out maintenance and completing a corresponding instruction according to a field fault;
step nine: cleaning points and restoring the flow on site: including the cleaning and homing of the checking and protection articles, the operation tools and the warning setting tools of the participators.
3. The training assessment method for the confined space operation as claimed in claim 2, wherein the setting of the operation sensing device and the signal transmission mode are as follows:
A. in the energy isolation process, for the isolation mode of additionally installing the blind plate, photoelectric correlation sensors are arranged on two sides of the blind plate in each inlet pipeline and each outlet pipeline, and are transmitted to electronic interaction equipment in a simulated limited space operation room through NPN switching value signals, and further transmitted to a main control acquisition module through 1 path of RS-485 signals;
B. in the locking and tagging process, the locking and tagging is carried out through a switching value signal of a padlock mechanism designed by induction and is transmitted to the electronic interaction device, and further transmitted to the master control acquisition module through 1 path of RS-485 signals;
C. a ventilation replacement process, wherein 2 paths of relay control signals are used for controlling ventilation equipment, and 4 paths of NPN switching value signals are used for acquiring the ventilation switching state and transmitting the ventilation switching state to a main control acquisition module;
D. the method comprises the following steps of working environment detection flow, wherein a gas sensor is a virtual gas sensor consisting of a probe gun and a UHF (ultra high frequency) card reader additionally arranged at the head of the probe gun, a plurality of UHF electronic tags distributed and installed in a simulated limited space working chamber are used as detection points, the virtual gas sensor is used for reading the plurality of detection points in the simulated limited space working chamber, and reading signals are transmitted to a main control acquisition module through 1 RS-485 signal path;
E. a photoelectric sensor is arranged behind the hanging position of the registration plate at the entrance and exit, and a signal of hanging or taking down the registration plate is transmitted to a main control acquisition module through 1 path of NPN switching value signals; arranging photoelectric sensors in the placement areas of the warning rods, and transmitting signals of the placement areas to a main control acquisition module through multiple paths of NPN switching value signals;
F. the method comprises the following steps that an article taking and selecting process is carried out, each protective article and each operation tool are selected on an article shelf, UHF electronic tags are arranged on the protective articles and the operation tools, an article placing induction sensor is additionally arranged below each article placing area of the article shelf, and taking and returning signals of each article are transmitted to a main control acquisition module through multi-path NPN switching value signals of the article placing sensors; after the corresponding article is worn, a UHF ultrahigh frequency card reader is arranged on the induction channel, reading the UHF electronic tag information of each protection article and transmitting the information to the main control module through 1 path of RS-485 signals;
G. the safety operation certificate is handled, and the identity information of the operator and the information collected by the A-E are registered and uploaded to the assessment host;
H. entering a restricted space and an operation process, arranging a photoelectric correlation sensor at an inlet of a simulated restricted space operation room, sensing the in-out state of a person through 2 paths of NPN switching value signals, transmitting the in-out state to a main control acquisition module, and receiving a corresponding instruction and completing the operation through electronic interaction equipment after entering the simulated restricted space operation room;
I. cleaning points and recovering the flow on site, wherein a cleaning tool collects return state information of the objects sensed by a sensor additionally arranged below each object placing area of the commodity shelf; counting the number of people is completed by a photoelectric correlation sensor arranged at the entrance of the restricted space operation room; the field recovery is completed by detecting whether the operation states such as energy isolation, locking and tagging, warning setting and the like are recovered;
J.A-H, and the information of each node is transmitted to the assessment host, and the assessment personnel or the assessment software obtains each item of operation data of the operator after decoding, so as to make quantitative assessment.
4. The training assessment method for the confined space task as claimed in claim 3, wherein the operation steps of the training assessment method are as follows:
the method comprises the following steps: starting a system and carrying out self-checking;
step two: selecting a limited space operation scene;
step three: sequencing the current scene operation flows on the assessment host, and submitting the current scene operation flows after the current scene operation flows are completed;
step four: in the energy isolation process, an operator adopts isolation measures such as additionally installing a blind plate and closing a valve to isolate energy, and the system senses an operation result by acquiring the state of a photoelectric sensor;
step five; a locking and tagging process, wherein an operator finishes locking and tagging operation, and a system senses an operation result by collecting the state of a padlock mechanism;
step six: in the ventilation replacement process, an operator operates a ventilation switch, the ventilation equipment power supply is switched on for ventilation for 1-2 minutes, then the ventilation switch is operated to switch off the ventilation equipment power supply, and 2 paths of relay control signals and 4 paths of NPN switching value signals are transmitted to a main control acquisition module to further sense an operation result;
step seven: the working environment detection process comprises the following steps: an operator uses a probe gun with a virtual gas sensor to probe a plurality of detection points in a limited space for detection;
condition 1: judging whether indexes such as temperature, oxygen, toxic gas and combustible gas are qualified or not, if so, executing the step eight, and if not, returning to the step six;
step eight: the warning setting process comprises the following steps: the operating personnel hangs the access registration plate, a warning rod in a warning area is placed, and the system senses an operation result by acquiring the state of the photoelectric sensor;
step nine: the method comprises the following steps that an article taking and selecting process is carried out, each protective article and an operation tool are selected on a storage rack, after the article is worn, the system passes through an induction channel, and operation results are obtained by collecting the state of a sensor on the storage rack and the UHF electronic tag ID of each protective article read by induction channel equipment;
step ten: safety certificate handling: a template for generating an operation certificate on the examination host is extracted by the system, supplemented and filled by the operation personnel and submitted after completion;
step eleven: the method comprises the following steps of operating a space internal operation process, enabling operators ready for protection to enter from simulated limited space operation scenes, and completing continuous environment monitoring, internal and external communication, interaction of emergency first-aid scenes and the like through internally installed electronic interaction equipment;
step twelve: cleaning, counting and field recovery processes, wherein the results of cleaning tools, counting number and field recovery are sensed by sensors arranged at all parts of the system to obtain operation results;
step thirteen: after each examination process is finished, the system gives examination evaluation results and examination scores to the operating personnel.
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