CN114245294A - Personnel safety management and control system for 3D personnel positioning - Google Patents
Personnel safety management and control system for 3D personnel positioning Download PDFInfo
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- CN114245294A CN114245294A CN202111459748.4A CN202111459748A CN114245294A CN 114245294 A CN114245294 A CN 114245294A CN 202111459748 A CN202111459748 A CN 202111459748A CN 114245294 A CN114245294 A CN 114245294A
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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
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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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
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
Abstract
The invention discloses a personnel safety management and control system for 3D personnel positioning, wherein a plurality of UWB positioning base stations are distributed in a positioning area and used for receiving, capturing and analyzing super bright band signals transmitted by positioning labels in the positioning area, the positioning labels are connected with an exciter, the plurality of UWB positioning base stations are interconnected through communication base stations and connected with a positioning engine server through the communication base stations, and the visual management of operation and maintenance work in the positioning area is realized through UWB positioning technology, three-dimensional display and monitoring linkage. The invention controls the production state of personnel in real time based on advanced technologies such as UWB personnel positioning technology, virtual reality technology, big data analysis and the like, dynamically displays the production state on the three-dimensional model, realizes the comprehensive monitoring of personnel basic information, personnel position information and production operation information, and achieves the purpose of safe closed-loop management through personnel qualification audit, region management and control, safety alarm and the like.
Description
Technical Field
The invention belongs to the technical field of electric power safety management and control, and particularly relates to a personnel safety management and control system for 3D personnel positioning.
Background
The production and operation personnel of the power plant are complex in composition, a vacuum area exists in the condition environment supervision, the security protection in a dangerous area is implemented, and the like, which are difficult and painful points in the management of the power plant industry at present. The method is mainly embodied in the following points:
1) the personnel daily overhaul operation range is large, the number of personnel is large, the levels are different, the safety consciousness is relatively weak, and the risk identification capability is lower. Personnel cannot be managed and controlled in real time and tracked in a track manner, so that safety management work is difficult;
2) as a relatively high-risk working scene, the power plant particularly adopts a manual supervision mode for the management of illegally entering the important supervision areas such as an ammonia station, an electronic room, a switch room, an overhaul area and the like, the reliability is low, and potential safety hazards caused by misoperation of personnel and mistaken entering of the personnel into a forbidden area and the like sometimes occur due to poor management, backward personnel quality and the like.
3) The traditional tool management of the power plant mainly adopts a manual statistics inspection mode, the condition that the tool is not inspected (missed inspection and overdue non-inspection are generated) is detected, particularly, the electric tool is used on site without inspection, and the electric shock casualties and the like are easily caused. Mismatching often occurs when the field tools are used, so that the performance of equipment is damaged, equipment failure is caused, and safety accidents are further caused;
4) the entry and exit conditions and trajectories of the foreign vehicles; the time, the position, the traveling track of the external visitor, visitor visitors, matters and the like can not be managed and controlled in real time and effectively prevent safety.
Therefore, the method strengthens prevention-oriented and root control, carries out real-time online supervision, strict safety control and timely feedback and early warning on operating personnel, operating equipment and the like on an operation site, realizes systematic closed-loop management, and becomes a key point for ensuring safe and stable operation of each power plant.
Disclosure of Invention
The invention aims to solve the technical problem of providing a personnel safety management and control system for 3D personnel positioning, which aims to realize comprehensive and all-weather management of safety production of a power plant by using a three-dimensional view as a carrier for accurate personnel positioning, electronic fence, information presentation and control command on a digital power plant platform and through integrated and intelligent display.
The invention adopts the following technical scheme:
the utility model provides a personnel's safety control system for 3D personnel location, including a plurality of UWB location basic stations, a plurality of UWB location basic stations distribute in the location area, a super bright band signal for receiving, catch and analyze the location label transmission in the location area, location label connection exciter, a plurality of UWB location basic stations realize the interconnection through the communication basic station, and connect the location engine server through the communication basic station, through UWB location technique, three-dimensional display and control linkage realization location area's the visual management of fortune dimension work.
Specifically, the UWB positioning base stations are distributed at the geometric edge of the positioning area, thereby realizing signal coverage in the positioning area.
Specifically, the UWB positioning base station includes at least 3.
Specifically, the exciter is disposed at each entrance of the locating area for waking up the locating tag entering the locating area.
Specifically, the communication base station can implement multi-channel data transmission.
In particular, the types of data supported by the positioning engine server include UWB, RFID and WIFI.
Specifically, the positioning engine server performs parallel calculation on the base station data of the communication base station to realize zero-dimensional positioning, one-dimensional positioning, two-dimensional positioning and three-dimensional positioning.
Specifically, the positioning engine server sets an electronic fence in the positioning area, and an early warning function is realized according to data collected by the UWB positioning base station.
Specifically, an independent ID number is arranged in each positioning tag, positioned objects are connected through the ID numbers, and the UWB positioning base station determines the actual position of the positioning tag according to the ID numbers.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the personnel safety management and control system for 3D personnel positioning, a plurality of UWB positioning base stations are arranged in a power plant positioning area, information interaction is carried out between the positioning tags and the UWB positioning base stations, centimeter-level positioning can be accurately achieved on the positioning tags entering the positioning area in real time, data calculation is carried out through the positioning engine server, personnel position information can be accurately fed back to a platform, and management personnel can conveniently track the positioning tags in real time.
Furthermore, the UWB positioning base station is deployed to the geometric edge of the positioning area, so that all positioning labels entering the positioning area can be accurately positioned in real time.
Furthermore, at least 3 UWB positioning base stations are deployed in a positioning area, so that three-dimensional positioning of the positioning tag can be realized, real-time accurate positioning of the positioning tag is obtained, background personnel can observe the specific position of the current personnel visually, and the personnel carrying the positioning tag are prevented from entering a dangerous area by combining the arrangement of the electronic fence.
Furthermore, the exciter is arranged at an inlet of the positioning area, so that the effect of awakening the positioning tag entering the positioning area is achieved, the positioning tag entering the positioning area can normally transmit information with the UWB positioning base station, and accurate position information is obtained. Furthermore, the communication base station can realize multi-channel data transmission and has the characteristics of low power consumption, long distance, high sensitivity and strong interference resistance.
Furthermore, the positioning engine server can transmit UWB, RFID and WIFI data and is compatible with various positioning modes.
Furthermore, the positioning engine server performs parallel calculation on the base station data, and selects zero-dimensional positioning, one-dimensional positioning, two-dimensional positioning and three-dimensional positioning according to the actual situation on site, so that the positioning precision meets the requirement, and high-precision positioning coordinates are output in real time.
Furthermore, electronic fences are arranged according to the two ticket systems and the dangerous area division of the power plant, personnel are positioned in a combined mode, the situation that persons without authorities break into the dangerous area in an illegal mode is avoided, break-in alarming is set to remind the break-in personnel and safety management personnel, and safety management and control over the personnel are achieved. Furthermore, each positioning tag has an independent and fixed ID number, the platform can modify the personnel information of each positioning tag, the ID number of the platform is fixed, and the platform can realize the multi-person use of one positioning tag.
In conclusion, the invention controls the production state of the personnel in real time based on advanced technologies such as UWB personnel positioning technology, virtual reality technology, big data analysis and the like, dynamically displays the production state on the three-dimensional model, realizes the comprehensive monitoring of personnel basic information, personnel position information and production operation information, and achieves the purpose of safe closed-loop management through personnel qualification audit, region management and control, safety alarm and the like.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a block diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "one side", "one end", "one side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, unless otherwise specified, "a plurality" means two or more.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Various structural schematics according to the disclosed embodiments of the invention are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
The invention provides a personnel safety control system for 3D personnel positioning, which takes safety control as a main line, namely safety control around personnel and field areas, and utilizes positioning technology and video identification to integrate the requirements of a business control flow so as to realize active safety control. The function appeal comprises personnel management and control, operation area management and control, post arrival in place, high-risk operation management and control, electronic fence management and control and the like. The UWB positioning technology, the three-dimensional display technology, the monitoring linkage technology and the like are integrated, and the visual management of the operation and maintenance work of the whole main plant area is realized. In combination with the electronic fence system based on the position data, more reliable active virtual electronic fence protection is provided for the user. The video monitoring linkage can display the field situation at the first time, and the monitoring and the protection are all-round. The design of the positioning label provides functions of active help seeking, alarm feedback and the like for the user.
Referring to fig. 1, the personnel security management and control system for 3D personnel positioning of the present invention includes a UWB positioning base station, an exciter, a communication base station, a positioning tag, and a positioning engine server.
The UWB positioning base stations comprise a plurality of UWB positioning base stations, the exciter and the communication base station are respectively arranged at selected positions in the positioning area range so as to ensure that UWB signals can completely cover the positioning area range, the plurality of UWB positioning base stations are connected through the communication base stations, and the communication base stations can ensure that communication and data between the UWB positioning base stations are normally transmitted to the positioning engine server at a high speed;
the UWB positioning base station is used for receiving, capturing and analyzing the ultra-bright band signals transmitted by the positioning tags, and the main equipment has the functions of sending and receiving the tag signals to the positioning tags;
the positioning engine server performs parallel calculation on the base station data, and selects zero-dimensional positioning, one-dimensional positioning, two-dimensional positioning and three-dimensional positioning according to the actual situation on site, so that the positioning precision meets the requirement, and high-precision positioning coordinates are output in real time.
The positioning tag, the exciter and the UWB positioning base station carry out data interaction through a UWB channel, wherein the exciter is used for awakening the positioning tag, and the UWB positioning base station carries out data interaction with the positioning tag to acquire information such as current position information and electric quantity of the positioning tag; the UWB positioning base station and the communication base station transmit the acquired information in a wireless communication mode; the communication base station is connected with the positioning engine server in a wired mode for data transmission.
The UWB positioning technology is adopted to be linked with systems such as a video monitoring system, an access control system, a two-ticket system and the like, and dynamic position information of people, tools and the like in the whole process of field operation of the power plant is collected, recorded and displayed in real time.
The electronic fence is arranged on the basis of the power plant danger source area, alarming is carried out on whether persons without authorities break into the danger area according to the fact that whether the persons have the authorities, the persons without the authorities are prompted to enter the area, and safety of operators is guaranteed to the greatest extent.
1) UWB positioning base station
The UWB positioning base stations are distributed on the geometric edge of the positioning area and cover the area with signals, and the UWB positioning base stations have the main function of detecting data information of the positioning labels and uploading the data information to the positioning engine server for summarizing and analyzing. A positioning system generally needs more than three UWB positioning base stations to form, receives UWB signals sent by positioning labels, performs mutual correlation analysis, and calculates the distance between the label to be positioned and the UWB positioning base station through TOA/TFOA, thereby achieving the purpose of positioning.
2) Exciter
The exciter is installed at an indoor doorway, a stairway doorway, or the like. In a complex working environment in the industrial field, the exciter has irreplaceable effects on positioning accuracy and control construction cost.
3) Communication base station
The communication base station can realize multi-channel data transmission, is mainly used for communicating with other positioning equipment, connects the terminal equipment with the positioning engine server, and is key node equipment of the low-power-consumption Internet of things. The communication base station is arranged at a high position, no wall body is shielded between the communication base station and the UWB positioning base station as far as possible, and the distance between the installation position and the metal is more than 10 cm.
4) Positioning label
The positioning tags are generally worn on the body of a person to be positioned, when the positioning tags enter the signal coverage range of the UWB positioning base station, namely, the positioning tags automatically establish contact with the UWB positioning base station, send signals to determine the positions of the tags, each positioning tag has an independent ID number, and positioned objects can be connected through the ID numbers, so that the UWB positioning base station finds the actual positioning position through the positioning tags.
5) Positioning engine server
The positioning engine server integrates advanced positioning algorithms in the industry, and outputs high-precision positioning coordinates in real time by performing parallel calculation on UWB positioning base station data. Different base station data types such as UWB, RFID, WIFI are supported, zero-dimensional positioning, one-dimensional positioning, two-dimensional positioning and three-dimensional positioning are realized in the positioning mode, and different positioning modes can be set for different positioning environments.
The base layer comprises a positioning tag, a UWB positioning base station and an exciter, and the UWB positioning base station and the positioning tag transmit positioning data through a UWB channel; the data layer is mainly used for storing various data information, performing information interaction with the basic layer and calculating the position of the current positioning label through the obtained data through the positioning engine server; the obtained position information of the positioning label is uploaded to a supporting layer to support various programs; the application function of the application layer is realized through the program and data of the support layer; and the application functions of the application layer are displayed on the display layer.
Referring to fig. 2, for large-area location of a plant area of a power plant and location of entrance and exit of rooms of an office building, a LoRa technology is used for area location, UWV is used for accurate location of a power distribution room, and a-GPS is used for location of vehicles inside and outside the plant.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The working principle of the personnel safety management and control system for 3D personnel positioning is as follows:
the positioning tags repeatedly and continuously send position data information by UWB pulses after entering a positioning area covered by a UWB positioning base station, the UWB pulses sent by the positioning tags are received by the UWB positioning base station in the area, the time of each positioning tag position data information reaching the UWB positioning base station is obtained, then the UWB positioning base station transmits the obtained data to a positioning engine server in a wireless mode, the positioning engine server reaches the time difference between different UWB positioning base stations through the same positioning tag, the position information of the positioning tags is calculated by using a TDOA/FOA algorithm, and the positioning engine server is used for supporting application functions such as electronic fences, positioning tag track inquiry, video linkage, entrance guard linkage, two-ticket linkage and the like according to the information.
By utilizing the UWB positioning and the virtual electronic fence function, the real-time position of the outsourcing personnel is accurately mastered, and the outsourcing personnel are given alarm prompts according to actions such as flow operation, mistaken entry into a risk area and the like, so that personnel safety accidents are avoided.
Through the real-time monitoring of the high-risk operation, the personnel condition of the high-risk operation is mastered in real time, and the potential safety hazard possibly caused by overtime operation and unauthorized operation is pre-warned.
Through the history track backtracking function, the behavior of the operator is effectively analyzed, the operation route, the stay time and the operation content of the operator can be checked, and the risk assessment and the problem backtracking of the operation behavior are realized.
Safety service management data such as two tickets, monitoring, entrance guard and the like are integrated, personnel positioning and operation content are highly fused, and all-dimensional control over operation personnel is achieved.
Through the real-time calling and statistical analysis of the data of each plant, the safety information of personnel and operation of the power plant is rapidly known, the safety risk of each area of the power plant is monitored in real time, and the plant-level safety management and control are realized. A safety control platform is built, a traditional supervision means is combined with an informatization technology, all-around monitoring is conducted on site operation personnel, problems occur, an alarm is given in time, and managers can respond quickly.
The invention is suitable for intelligent safety control of power plant personnel, a positioning base station is installed in a positioning area to enable UWB signals to be fully covered, a positioning tag and a safety helmet mold are integrated together in a one-step molding mode, the positioning tag enters the area to automatically carry out information interaction with the positioning base station, and the comprehensive all-weather management of three-dimensional space safety production of a power plant is realized by combining the functions of power plant safety management, two-ticket management, hidden danger defect management, post arrival in-place management, outsourcing management, tool management, vehicle management, video monitoring and the like by adopting the technologies of UWB accurate positioning, LoRa existence positioning, virtual reality, face identification, image identification, big data analysis and the like.
1. The real-time monitoring of the personnel field operation, the real-time monitoring of illegal intrusion, overtime operation, video linkage monitoring of anti-violation operation, personnel safety training level, certified post qualification examination and the like are realized, and the personnel safety risk is effectively reduced. Meanwhile, the on-duty management of the operating personnel is determined according to the qualification and training conditions of the personnel team, and the real-time monitoring and early warning are carried out on the illegal intrusion of the operating personnel with low safety level through regional level authorization, so that the real-time verification of the qualification of the on-site operating personnel is ensured.
2. The method realizes the in-place real-time management of the post, implements the safety production responsibility of all levels of personnel, supervises and urges the production management personnel to 'sink the gravity center and move the gateway forwards', strengthens the strength of safety management and supervision, and realizes the 'controllable, controllable and in-control' of safety production.
3. The system realizes the implementation and management of on-site inspection personnel, provides personnel positioning and historical track query, provides an effective management means aiming at the post-accident analysis and daily management, and improves the inspection quality.
4. And the detection state of the tool is monitored in real time by accessing the tool information. Especially, the electric tools of the personnel remind safety inspection at regular time, and the use is prohibited when the time is out, thereby effectively preventing the personnel safety accidents caused by the fact that the electric tools are not overhauled for a long time.
5. Through the closed space positioning technology, the untimely and unreliable nature of manual supervision is remedied, and the number of people in the closed space, the working state and the record of entering and exiting the closed space are mastered in real time. The operation safety and controllability of the closed space are guaranteed.
6. The distribution and safety level of field operators are mastered in real time through a safety inspection terminal; timely evaluating the field anti-violation operation in real time; the effectiveness and timeliness of on-site safety inspection are realized, and on-site safety inspection management is facilitated for safety management personnel.
7. The vehicle accident can be effectively prevented by real-time positioning and track tracking of the vehicle, alarming when the vehicle deviates from a route and alarming when the vehicle intrudes illegally.
In summary, the personnel safety management and control system for 3D personnel positioning of the invention constructs a whole plant 1: 1, an equal-proportion three-dimensional factory model integrates advanced technologies such as a positioning technology, a virtual reality technology, a big data analysis technology, an image recognition technology and a face recognition technology to control the working state of equipment and the production state of personnel in real time, and the working state and the production state of the personnel are dynamically displayed on the three-dimensional model to realize the real-time position monitoring of the personnel and the vehicles; the safe data are cooperatively linked by integrating all related service systems of the power plant; by deploying the safety control system, a safety monitoring and big data analysis tool is provided for the power plant.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a personnel's safety control system for 3D personnel location, a serial communication port, including a plurality of UWB location basic stations, a plurality of UWB location basic stations distribute in the location area, a super bright band signal for receiving, catch and analyze the location label transmission in the location area, location label connection exciter, a plurality of UWB location basic stations realize the interconnection through the communication basic station, and connect location engine server through the communication basic station, through UWB location technique, three-dimensional display and control linkage realize the visual management of the operation and maintenance work in location area.
2. The personnel safety management and control system for 3D personnel positioning according to claim 1, characterized in that UWB positioning base stations are distributed at the geometric edge of the positioning area to realize signal coverage in the positioning area.
3. The personnel safety management and control system for 3D personnel positioning according to claim 1, characterized in that the UWB positioning base station comprises at least 3.
4. The personnel safety management and control system for 3D personnel positioning according to claim 1, wherein an actuator is provided at the entrance of the positioning area for waking up a positioning tag entering the positioning area.
5. The personnel safety management and control system for 3D personnel positioning according to claim 1, characterized in that the communication base station can realize multi-channel data transmission.
6. The personnel safety management and control system for 3D personnel positioning according to claim 1, characterized in that the data types supported by the positioning engine server comprise UWB, RFID and WIFI.
7. The personnel safety management and control system for 3D personnel positioning according to claim 1, characterized in that the positioning engine server performs parallel calculation on the base station data of the communication base station to realize zero-dimensional positioning, one-dimensional positioning, two-dimensional positioning and three-dimensional positioning.
8. The personnel safety management and control system for 3D personnel positioning according to claim 1, characterized in that a positioning engine server is provided with an electronic fence in a positioning area, and an early warning function is realized according to data collected by a UWB positioning base station.
9. The personnel safety control system for 3D personnel positioning according to claim 1, characterized in that an independent ID number is provided in each positioning tag, positioned objects are connected by the ID numbers, and the actual positions of the positioning tags are determined by the UWB positioning base station according to the ID numbers.
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| CN116582930A (en) * | 2023-07-13 | 2023-08-11 | 湖南泓森智能科技有限公司 | Underground personnel accurate positioning software system based on regional positioning |
| CN117238092A (en) * | 2023-11-16 | 2023-12-15 | 建龙西林钢铁有限公司 | Industrial factory risk early warning method based on oblique photography and man-vehicle positioning |
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