CN117351643A - Safety production early warning prevention and control method - Google Patents
Safety production early warning prevention and control method Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0272—System arrangements wherein the object is to detect exact location of child or item using triangulation other than GPS
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- G—PHYSICS
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- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- G—PHYSICS
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- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0277—Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/028—Communication between parent and child units via remote transmission means, e.g. satellite network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The application provides a safety production early warning prevention and control method, which belongs to the technical field of personnel safety production early warning management, and comprises the steps of distributing positioning beacons in a prevention and control area according to positioning precision requirements, and forming a wireless positioning environment by the positioning beacons by broadcasting Bluetooth signals sent at regular time; the positioning tag card receives the Bluetooth signal sent by the positioning beacon and sends out a Bluetooth positioning signal; the positioning base station receives the Bluetooth positioning signal sent by the positioning tag card in a wireless mode and sends the Bluetooth positioning signal to the positioning engine through networking; the positioning engine carries out accurate calculation of the positioning position according to the Bluetooth positioning signal, and alarms or links with other systems according to specific rules. Through accurate personnel positioning management technology, the real-time position of personnel in the factory is subjected to statistical feedback, the behaviors of the personnel are monitored, and the safety of the personnel is ensured.
Description
Technical Field
The application belongs to the technical field of personnel safety production early warning management, and particularly relates to a safety production early warning prevention and control method.
Background
The industrial park belongs to a high-risk area and is a centralized place of major danger hidden dangers. The safety risk factors existing in the park mainly comprise: toxic, inflammable, explosive, high temperature, high pressure, noise and other harmful factors. At present, though working behaviors of staff are effectively standardized through formulation and strict execution of various security management systems, part of industries belong to high-risk industries, are concentrated in important hidden danger risk points, and staff always face threats from various uncertain factors such as human beings, equipment, environment and the like in the working process; and the safety consciousness of part of staff is relatively light, the safety operation capability is insufficient, and dangerous paralysis possibly exists in the operation, so that the safety production management pressure of a park is high. Meanwhile, related party personnel are unfamiliar with the possibility of entering a dangerous area by mistake in the working process, so that the difficulty of safety management is increased.
With the rise of the internet of things technology, in other existing technical schemes related to safety management, personnel positioning technology is rapidly developed, wireless signals such as Bluetooth, WIFI and RFID with long transmission distance and low power consumption can be obtained through signal characteristic parameter calculation, and personnel positioning in certain public scenes becomes possible. However, due to environmental conditions in the chemical industry, the development and popularization of personnel positioning technology applied to industrial scenes are relatively slow, and the current management system lacks personnel supervision on an operation area and supervision on unsafe factors from a production environment. Therefore, a safety production early warning prevention and control system needs to be developed to acquire real-time position information of operators in an operation area and monitor behaviors of the operators, reduce accidents caused by human factors and improve the safety production management capacity of a park.
Disclosure of Invention
The embodiment of the application provides a safety production early warning prevention and control method, the system not only can solve the problem of real-time positioning of personnel in an industrial park, but also can monitor and analyze unsafe factors of specific unsafe behaviors and environments of site personnel, and timely make early warning according to rules, so that personal safety and production safety are ensured, and the problem that the existing management system lacks personnel supervision of an operation area and supervision of unsafe factors from the production environment is solved.
The embodiment of the application provides a safe production early warning prevention and control method, which is applied to a Bluetooth positioning system consisting of a positioning tag, a Bluetooth beacon, a Bluetooth communication base station and a positioning engine, and comprises the following steps of;
distributing and deploying positioning beacons in the prevention and control area according to the positioning precision requirement;
the positioning beacon is timed to send Bluetooth signals in a broadcasting mode to form a wireless positioning environment;
the positioning tag card receives the Bluetooth signal sent by the positioning beacon and sends out a Bluetooth positioning signal;
the positioning base station receives the Bluetooth positioning signal sent by the positioning tag card in a wireless mode and sends the Bluetooth positioning signal to the positioning engine through networking;
the positioning engine carries out accurate calculation of the positioning position according to the Bluetooth positioning signal, and alarms or links with other systems according to specific rules.
In a possible implementation manner, in the accurate calculation of the positioning position by the positioning engine according to the Bluetooth positioning signal, a sliding window weighting filtering method is adopted to process white noise in the Bluetooth positioning signal;
the sliding window weighted filtering expression is:
RSSAI’ t ＝A×RSSI t +......B×RSSI t-n ；
wherein A and B are weights obtained according to practical application, RSSAI' t Indicating the current received Bluetooth positioning signal strength filtering output value, RSSI t Indicating the currently received RSSI value, RSSI t-n The received RSSI values are shown n-1 seconds ago.
In a feasible implementation manner, in the accurate calculation of the positioning position by the positioning engine according to the Bluetooth positioning signal, determining the floor where the positioning tag is located by adopting a signal weighted voting method, wherein the specific steps are as follows;
determining a signal coverage area with r as a radius by taking a positioning label to be detected as a circle center, wherein the signal coverage area comprises a first floor and a second floor;
counting the number of positioning beacons positioned in the first floor and the second floor within the coverage area of the signal,
each positioning beacon is N tickets in number. Determining the ticket number of a second floor of the first floor, and comparing the ticket numbers;
and judging that the positioning label to be detected is positioned in the floor with more votes.
In one possible implementation manner, the positioning engine is provided with a positioning application system, and the method for alarming by the positioning engine according to the specific rule comprises the following steps of;
the positioning application system acquires the position information of the positioning object calculated by the positioning engine in real time and records the acquisition time;
and the positioning application system analyzes the behaviors and the posts of the positioning object, and automatically generates alarm information when confirming that unsafe behaviors exist.
In one possible implementation, the behavioral analysis includes people gathering, strenuous exercise, people falling over, out-of-range detection, area intrusion, entering and leaving areas;
the post analysis comprises mobile phone playing, post sleeping, off-post and detention;
the alarm information comprises alarm time, alarm position, alarm type, information related to personnel and the like, and the alarm type is used for setting overtime alarm, out-of-range alarm, static alarm, lack of staff alarm, detention alarm and the like according to the characteristics of an industrial park.
In one possible implementation, the bluetooth positioning system has an electronic roll call function, and the implementation method of the electronic roll call comprises the following steps of;
the Bluetooth positioning system monitors the number and the ID of the positioning tag cards in the attendance checking area in real time, and when staff enters the attendance checking area, the staff ID is acquired by the Bluetooth positioning system;
the positioning application system stores the time of obtaining the ID as the on-duty time of the employee on the same day;
the positioning application system records the leaving time of the staff and stores the leaving time as the time of the staff on the same day;
if the employee is monitored to leave the work area and exceed the minimum off-Shift time during work, the employee is determined to have off-Shift behavior and recorded.
In one possible implementation, the Bluetooth positioning system has a personnel basic information input function, and the personnel basic information input method comprises the following steps of;
reading a personnel effective certificate, and acquiring personnel information, wherein the effective certificate comprises an identity card, a passport and the like;
binding the positioning tag with the acquired personnel information;
and issuing the bound positioning label to a positioning person.
In one possible implementation, the Bluetooth positioning system has a personnel basic information input function, and the personnel basic information input method comprises the following steps of;
acquiring personal information of a person, and inputting the personal information of the person into a positioning application system, wherein the personal information of the person comprises a face photo, a name, gender, age, team and the like of the person;
the positioning labels correspond to the personnel one by one, and the identification of the personnel is finished according to the unique ID codes of the labels.
In one possible implementation, the positioning application displays the location of the person, the detailed information of the person, and the number of persons separately and separately on the map in real time.
The safety production early warning prevention and control method provided by the embodiment of the application has at least the following beneficial effects:
1. through binding the positioning label and the personal information and a personnel behavior recognition technology, the automatic detection and recognition of unsafe behaviors of personnel and illegal behaviors of personnel are realized, alarm pushing, handling and confirmation are sent out according to detection results, personnel safety management of an industrial park is realized, and personnel safety is guaranteed.
2. The intelligent management of the industrial park is realized by automatically detecting and identifying the illegal behaviors of personnel such as dangerous area invasion, perimeter detection, no wearing of safety caps, off-duty and the like.
3. The development and factory environment monitoring system, the production operation control system and other interfaces collect environment monitoring data, production process data and equipment operation data, realize real-time display of factory environment and production equipment operation conditions, and provide data basis for decision making of a management layer.
Drawings
Fig. 1 is a schematic diagram of a personnel positioning principle of a safety production early warning prevention and control method provided by the application;
FIG. 2 is a flow chart of the method for pre-warning prevention and control of safety production provided by the present application;
FIG. 3 is a schematic view of adjacent floor beacon coverage;
figure 4 is a diagram of a campus facility and environmental data collection scheme.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
The existing management system lacks personnel supervision of an operation area and supervision of unsafe factors from a production environment, is difficult to acquire real-time position information of personnel of the operation area, supervises personnel behaviors, has more accidents caused by human reasons, and has poor production management capability. According to the method, a set of industrial park personnel safety production early warning, prevention and control system based on personnel positioning is built through an accurate personnel positioning management technology, dynamic real-time tracking and monitoring of position information and behaviors of operators in an area are achieved, and a factory is assisted to manage personnel in a production area, so that the problem of safety management and control of the industrial park personnel is solved
The following describes in detail the specific structure of the early warning prevention and control method for safety production provided by the application with reference to the accompanying drawings.
By combining the Bluetooth positioning technology, the video analysis technology, the intelligent Internet of things and other technologies, hardware equipment and a software system are combined by means of an existing safe production management platform, and an intelligent and resource integrated system is built.
Referring to fig. 1, the hardware parts of the system are: the system comprises a positioning tag card, a positioning base station, a positioning beacon, a positioning engine, an intelligent camera, an internet of things host, a server and a network monitoring all-in-one machine, wherein part of hardware is not shown in fig. 1.
Referring to FIG. 2, the method for pre-warning prevention and control of safety production comprises the following steps of;
s10: positioning beacons are distributed and deployed in the prevention and control area according to the positioning precision requirement, so that a wireless positioning environment is formed;
the positioning beacons are distributed and deployed in a positioning area according to positioning accuracy requirements based on a Bluetooth positioning principle, and Bluetooth signals are broadcast regularly to form a wireless positioning environment.
S20: the positioning tag card receives the Bluetooth signal sent by the positioning beacon and sends out a Bluetooth positioning signal;
the positioning tag card is used for receiving the Bluetooth positioning signal sent by the positioning beacon in a broadcasting mode, and transmitting the received Bluetooth positioning signal to the positioning base station, and the positioning tag card is required to be carried by personnel.
S30: the positioning base station receives the Bluetooth positioning signal sent by the positioning tag card in a wireless mode and sends the Bluetooth positioning signal to the positioning engine through networking;
the positioning base station is used for receiving the Bluetooth positioning signal (also called RSSI signal) sent by the positioning tag card in a wireless mode (using LoRaLAN communication network), and then sending the Bluetooth positioning signal to the positioning engine through networking (five types of wires or optical fibers).
S40: the positioning engine is used for accurately resolving the positioning position and alarming or linking with other systems according to specific rules.
Through accurate personnel location management technique, a set of industrial park personnel safety production early warning prevention and control system based on personnel location is built, dynamic real-time tracking and monitoring of position information and behaviors of operators in an area are realized, and an auxiliary factory carries out personnel management on a production area, so that the problem of safety management and control of the industrial park personnel is solved.
As shown in fig. 1, the bluetooth positioning system includes a bluetooth beacon, a bluetooth communication base station, a positioning tag, a positioning engine and a positioning application system. The Bluetooth positioning system combines the special inquiry and positioning functions of Bluetooth and the wireless transmission technology to position personnel, vehicles and the like. By arranging a certain number of beacons and base stations in a specific area, accurate positioning of positioning labels attached to operators is realized, and position information of a positioning object is transmitted to a system in real time in a wireless or wired networking mode, so that the position information of the current positioning object is displayed. Meanwhile, the method can also carry out target tracking, historical track inquiry and the like on the positioning object, and monitor and analyze the behavior of the positioning object.
In order to ensure the accuracy of the RSSI signal strength and the effectiveness of a positioning algorithm, the real-time RSSI signal needs to be subjected to signal noise processing to solve the problem that the positioning accuracy is affected by signal interference.
In one embodiment, the present application employs a sliding window weighted filtering approach to handle white noise in the positioning signal.
The sliding window weighted filter expression is:
RSSAI’ t ＝A×RSSI t +......B×RSSI t-n ；
wherein A and B are weights obtained according to practical application, RSSAI' t Indicating the current received Bluetooth positioning signal strength filtering output value, RSSI t Indicating the currently received RSSI value, RSSI t-n The received RSSI values are shown n-1 seconds ago.
Because the positioning frequency received by the server is 1HZ, the scheme assumes that the staff in the 2s inner garden area cannot generate great position change, so the sliding window size of the sliding window weighted filtering is set to be 3, namely the current filtering output value is obtained by weighting the current received RSSI value and the value of the RSSI of the previous 2 seconds, and the optimal weight values are 5, 3 and 2 according to practical application. The sliding window weighted filtering expression for the RSSI signal strength of a received AP is therefore:
RSSI’ t ＝5×RSSI t +3×RSSI t - 1 +2×RSSI t-2 ；
RSSAI’ t indicating the current received Bluetooth positioning signal strength filtering output value, RSSI' t-1 And RSSI (received signal strength indicator) t-2 ' is the filtered output value for the first 1 second and the first 2 seconds. The signal strength vector (RSSI) from n bluetooth APs is received for the same time worker 1 ，RSSI 2 ,. RSSI) is processed by the above formula, a signal strength output filtered value (RSSI 'is obtained' t ，RSS’I t-1 ，...RSSI’ n )。
In the positioning system of the industrial park, the Bluetooth RSSI signal strength is easily affected by the short beacon distance of a short floor, so that the phenomenon of positioning channeling or jumping is caused.
Referring to fig. 3, the present patent adopts a signal weighted voting method to solve the problem of positioning layer channeling caused by short distance of short-storey beacons.
Determining the floor where the positioning tag is positioned by adopting a signal weighted voting method, wherein the specific steps are as follows;
determining a signal coverage area with r as a radius by taking a positioning label to be detected as a circle center, wherein the signal coverage area comprises a first floor and a second floor;
counting the number of positioning beacons positioned in the first floor and the second floor within the coverage area of the signal,
each positioning beacon is N tickets in number. Determining the ticket number of a second floor of the first floor, and comparing the ticket numbers;
and judging that the positioning label to be detected is positioned in the floor with more votes.
The RSSI signal strength value of bluetooth decreases with increasing propagation distance. As shown in fig. 3, in the figure, the two-floor beacons are represented by triangles, the one-floor beacons are represented by five-pointed stars, are numbered, and respectively generate signal coverage areas with r1 and r2 as radiuses by taking a point to be measured as a circle center. And counting the number of the beacons covered in the area where the tag is located, wherein the more the number of the beacons is, the larger the RSSI signal received by the layer is. The circle with radius r1 contains AP12, A13 and AP22, the ticket obtaining conditions of corresponding floor one and floor two areas are 2 tickets and 1 ticket, so the point to be detected is positioned to the floor one; the circle of radius r2 contains AP12, AP13, AP15, AP22, and AP23. The ticket obtaining conditions of the areas corresponding to the first floor and the second floor are 3 tickets and 2 tickets, so that the to-be-detected point is at the first floor. Therefore, the problem of adjacent floor Bluetooth signal jump and layer channeling positioning is solved.
In some embodiments, the positioning engine is provided with a positioning application system, and the method for alarming by the positioning engine according to the specific rule comprises the following steps;
the positioning application system acquires the position information of the positioning object calculated by the positioning engine in real time and records the acquisition time;
and the positioning application system analyzes the behaviors and the posts of the positioning object, and automatically generates alarm information when confirming that unsafe behaviors exist.
Behavioral analysis includes people gathering, strenuous exercise, people falling down, out-of-range detection, area intrusion, entering and leaving areas;
post analysis includes cell phone playing, sleep, off-duty and detention;
the alarm information comprises alarm time, alarm position, alarm type, personnel related information and the like, and the alarm type is used for setting overtaking alarm, out-of-range alarm, static alarm, lack of staff alarm, detention alarm and the like according to the characteristics of an industrial park.
The behavior analysis mainly comprises personnel gathering, strenuous exercise, personnel falling, out-of-range detection, regional invasion, regional entering and regional leaving; post analysis mainly comprises mobile phone playing, post sleeping, off-post and detention; helmet detection, face detection and human comparison. The system can monitor behaviors such as multiple cards, masses, immobility, disappearance, overtime, dormancy and the like in real time, can independently start or close a function of behavior monitoring for each area, and can perform operations such as real-time alarm reminding record of illegal behaviors, batch processing, exporting, printing and the like on alarm information.
The system is provided with abnormal condition alarming, pushing, disposing and confirming functions, and the alarming position can be displayed on a map in real time. The information of the alarm comprises alarm time, alarm position, alarm type, personnel and the like. The alarm type sets up overguard alarm, out-of-range alarm, static alarm, lack of staff alarm, detention alarm and the like according to the characteristics of the industrial park, and also comprises SOS emergency alarm (activated by a key on a positioning label), and the background pops up alarm information and records.
The system has the function of issuing paging information according to the positioning label, issuing paging/boundary crossing reminding/evacuation instructions to a certain label, enabling personnel in the dangerous area to receive evacuation alarm information, and being capable of linking the broadcasting system to issue broadcast alarm information to personnel in the relevant area, and prompting surrounding personnel not to enter the area.
In some embodiments, the bluetooth positioning system has an electronic roll call function, and the method for implementing the electronic roll call includes;
the Bluetooth positioning system monitors the number and the ID of the positioning tag cards in the attendance checking area in real time, and when staff enters the attendance checking area, the staff ID is acquired by the Bluetooth positioning system;
the positioning application system stores the time of obtaining the ID as the on-duty time of the employee on the same day;
the positioning application system records the leaving time of the staff and stores the leaving time as the time of the staff on the same day;
if the employee is monitored to leave the work area and exceed the minimum off-Shift time during work, the employee is determined to have off-Shift behavior and recorded.
Electronic roll calling is realized on a construction operation area through the personnel safety early warning management platform, and linkage absenteeism personnel are rapidly positioned and locked through video tracking. The system automatically counts roll call results and generates an EXCEL report, and the information of the on-duty personnel and the off-duty personnel is clear at a glance. The specific implementation method is as follows:
A. the high-precision positioning system monitors the number and the ID of the tag cards in the attendance area in real time, and when staff enters the attendance area, the staff ID is acquired by the system.
B. The system uploads information, and the time of acquiring the ID is saved as the on-duty time of the employee on the same day.
C. When the staff work on the day is finished and leaves the attendance area, the system records the staff leave time and stores the staff leave time as the on-duty time of the staff on the day.
D. If the employee is monitored to leave the work area and exceed the minimum off-Shift time during work, the employee is determined to have off-Shift behavior and recorded.
In some embodiments, the bluetooth positioning system has a personnel basic information input function, and positions of personnel with different identities in an industrial park are distinguished by different marks and colors on a map, wherein the personnel identities comprise personnel in the working area, external interview personnel, related party working personnel and the like, and information management of company personnel and external personnel is realized in a self-defined mode.
The personnel basic information input method comprises the following steps of;
the method comprises the following steps: the system can manage personnel and positioning label information, and the positioning label and the personnel information are bound through an information management function. And reading the personnel effective certificate, and acquiring personnel information, wherein the effective certificate comprises an identity card, a passport and the like. Binding the positioning label with the acquired personnel information, and issuing the bound positioning label to the positioning personnel.
The second method is as follows: the personal information of the personnel is acquired and is input into a positioning application system, the personal information of the personnel comprises face photos, names, sexes, ages, groups and the like of the personnel, positioning labels are in one-to-one correspondence with the personnel, the identity recognition of the personnel is finished according to the unique ID codes of the labels, and the identity recognition of the personnel is finished according to the unique ID codes of the labels.
In some embodiments, the location of the person (supporting multi-floor display) may be displayed on the map in real time, the person detailed information may be penetratively viewed, and the number may be separately and separately displayed;
the system can store the personnel position information and the time point information for 30 days to form a motion track, so that the personnel track inquiry function is realized.
Referring to fig. 4, in some embodiments, data such as production process and equipment status of an industrial park site are collected by an internet of things host, and then the data is analyzed, stored, refined and displayed, so that a data model of industrial automation equipment is built, and monitoring of production process and equipment is realized. The production process data, the equipment running state data and the dangerous source monitoring data in the environment monitoring system are collected through an OPC Server or an RS485 bus, unsafe factors from personnel and the environment are automatically detected by utilizing a video analysis technology, and the automatic identification and the safety early warning management of the dangerous conditions of a park are realized.
The functions mainly realized by the application include: personnel basic information management, personnel real-time position display, personnel history track viewing, bidirectional alarming, behavior analysis, regional statistics, electronic roll calling, video linkage and the like; the industrial park site environment monitoring data, the production process data and the equipment state data are collected through the Internet of things host, then the data are analyzed, stored, refined and displayed, a data model of an industrial automation system is built, automatic monitoring and analysis of site personnel, equipment and the environment are realized, and further forecast and early warning of dangerous information are realized.
According to the method, the technology of binding the positioning tag and the personal information and identifying the personnel behaviors is used for automatically detecting and identifying unsafe behaviors of the personnel and illegal behaviors of the personnel, sending out alarm pushing, disposing and confirming according to detection results, and managing personnel safety of an industrial park is achieved;
real-time detection, historical track inquiry and the like of the position of the personnel in the park are realized through a personnel positioning technology; in a personnel positioning system, the situation that the Bluetooth positioning accuracy is unstable in layer channeling is realized through noise processing and signal intensity weighting; access authority management to park staff and personnel is realized through user authority management; personnel hierarchical management and detection alarm management of illegal behaviors in a production area are realized through binding of the positioning tag and the personal information; the real-time on-line monitoring of environment monitoring data, production process data and equipment operation data is realized through interfaces such as a factory environment monitoring system, a production operation control system and the like, and finally the production and safety integrated management of an industrial park is realized.
It is to be understood that, based on the several embodiments provided in the present application, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, where none of the embodiments exceed the protection scope of the present application.
The foregoing detailed description of the embodiments of the present application has further described the objects, technical solutions and advantageous effects thereof, and it should be understood that the foregoing is merely a specific implementation of the embodiments of the present application, and is not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.
Claims (9)
1. A safe production early warning prevention and control method is characterized in that: the safety production early warning prevention and control method is applied to a Bluetooth positioning system consisting of a positioning tag, a Bluetooth beacon, a Bluetooth communication base station and a positioning engine, and comprises the following steps of;
distributing and deploying positioning beacons in the prevention and control area according to the positioning precision requirement;
the positioning beacon is timed to send Bluetooth signals in a broadcasting mode to form a wireless positioning environment;
the positioning tag card receives the Bluetooth signal sent by the positioning beacon and sends out a Bluetooth positioning signal;
the positioning base station receives the Bluetooth positioning signal sent by the positioning tag card in a wireless mode and sends the Bluetooth positioning signal to the positioning engine through networking;
the positioning engine carries out accurate calculation of the positioning position according to the Bluetooth positioning signal, and alarms or links with other systems according to specific rules.
2. The safety production pre-warning prevention and control method according to claim 1, wherein:
in the accurate calculation of the positioning position of the positioning engine according to the Bluetooth positioning signal, white noise in the Bluetooth positioning signal is processed by adopting a sliding window weighting filtering method;
the sliding window weighted filtering expression is:
RSSAI′ t ＝A×RSSI t +……B×RSSI t-n ；
wherein A and B are weights obtained according to practical application, RSSAI' t Indicating the current received Bluetooth positioning signal strength filtering output value, RSSI t Indicating the currently received RSSI value, RSSI t-n Representation ofThe RSSI value received n-1 seconds ago.
3. The safety production pre-warning prevention and control method according to claim 1, wherein:
in the accurate calculation of the positioning position by the positioning engine according to the Bluetooth positioning signal, determining the floor where the positioning label is positioned by adopting a signal weighted voting method, wherein the specific steps are as follows;
determining a signal coverage area with r as a radius by taking a positioning label to be detected as a circle center, wherein the signal coverage area comprises a first floor and a second floor;
counting the number of positioning beacons positioned in the first floor and the second floor within the coverage area of the signal,
the number of each positioning beacon is N tickets, the ticket number of a second floor of the first floor is determined, and comparison is carried out;
and judging that the positioning label to be detected is positioned in the floor with more votes.
4. The safety production pre-warning prevention and control method according to claim 1, wherein:
the positioning engine is provided with a positioning application system, and the method for alarming by the positioning engine according to the specific rule comprises the following steps of;
the positioning application system acquires the position information of the positioning object calculated by the positioning engine in real time and records the acquisition time;
and the positioning application system analyzes the behaviors and the posts of the positioning object, and automatically generates alarm information when confirming that unsafe behaviors exist.
5. The safety production pre-warning prevention and control method according to claim 4, wherein:
the behavior analysis comprises personnel gathering, strenuous exercise, personnel falling, out-of-range detection, regional invasion, entering and leaving regions;
the post analysis comprises mobile phone playing, post sleeping, off-post and detention;
the alarm information comprises alarm time, alarm position, alarm type, information related to personnel and the like, and the alarm type is used for setting overtime alarm, out-of-range alarm, static alarm, lack of staff alarm, detention alarm and the like according to the characteristics of an industrial park.
6. The safety production pre-warning prevention and control method according to claim 4, wherein:
the Bluetooth positioning system has an electronic roll call function, and the realization method of the electronic roll call comprises the following steps of;
the Bluetooth positioning system monitors the number and the ID of the positioning tag cards in the attendance checking area in real time, and when staff enters the attendance checking area, the staff ID is acquired by the Bluetooth positioning system;
the positioning application system stores the time of obtaining the ID as the on-duty time of the employee on the same day;
the positioning application system records the leaving time of the staff and stores the leaving time as the time of the staff on the same day;
if the employee is monitored to leave the work area and exceed the minimum off-Shift time during work, the employee is determined to have off-Shift behavior and recorded.
7. The safety production pre-warning prevention and control method according to claim 4, wherein:
the Bluetooth positioning system has a personnel basic information input function, and the personnel basic information input method comprises the following steps of;
reading a personnel effective certificate, and acquiring personnel information, wherein the effective certificate comprises an identity card, a passport and the like;
binding the positioning tag with the acquired personnel information;
and issuing the bound positioning label to a positioning person.
8. The safety production pre-warning prevention and control method according to claim 4, wherein:
the Bluetooth positioning system has a personnel basic information input function, and the personnel basic information input method comprises the following steps of;
acquiring personal information of a person, and inputting the personal information of the person into a positioning application system, wherein the personal information of the person comprises a face photo, a name, gender, age, team and the like of the person;
the positioning labels correspond to the personnel one by one, and the identification of the personnel is finished according to the unique ID codes of the labels.
9. The safety production pre-warning prevention and control method according to claim 4, wherein:
the positioning application system displays the positions of the personnel and the detailed information of the personnel on the map in real time, and displays the quantity of the personnel in different areas and categories.
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| CN202311250869.7A CN117351643A (en) | 2023-09-26 | 2023-09-26 | Safety production early warning prevention and control method |
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| CN202311250869.7A CN117351643A (en) | 2023-09-26 | 2023-09-26 | Safety production early warning prevention and control method |
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