CN105678954A - Live-line work safety early warning method and apparatus - Google Patents
Live-line work safety early warning method and apparatus Download PDFInfo
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- CN105678954A CN105678954A CN201610126048.6A CN201610126048A CN105678954A CN 105678954 A CN105678954 A CN 105678954A CN 201610126048 A CN201610126048 A CN 201610126048A CN 105678954 A CN105678954 A CN 105678954A
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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
Abstract
The invention discloses a live-line work safety early warning method which includes the steps of: establishing a pole and tower model and setting a safe distance; arranging at least three pyroelectric infrared sensor groups which are not in the same straight line around the pole and tower; calculating information of space positions of work operators and key part positions; and generating a three dimensional human body model in real time; performing real-time simulation and monitoring safe distances between the key part positions of the work operators and dangerous points in real time, and sending alarm signals once the safe distances reach a critical state. The invention also discloses a live-line work safety early warning apparatus which includes a sensor module, a data conversion module, and a data processing center. The sensor module is used for receiving infrared radiation energy of a human body. The data conversion module is used for data transfer. The data processing center is used for generating the three dimensional human body model, and performing real-time simulation, detection and alarming. Because a computer is employed to perform live-line work safety monitoring, human experiences are avoided for judgment, and the reliability and stability of the live-line work monitoring are raised.
Description
Technical field
Present invention relates particularly to a kind of live-working safety method for early warning.
Background technology
Along with the development of power system, Electricity customers are more and more higher to the requirement of power quality, livewire work can be greatly improved the economical operation of electrical network can also ensure the safety of power equipment, and therefore livewire work is more and more extensive.
How the locus of operating personnel in livewire work process is carried out monitor in real time and become a major issue. Current China livewire work personnel enter the safety of operating area and mainly rely on specific responsibility care provider's supervision with abundant livewire work practical experience and specialty the conscious of operating personnel to realize: specialty operating personnel relies on self understanding and grasping for a series of knowledge such as the electric pressure of alive circuit, safe distance, hot line job specifications, utilizes the on-the-spot knowledge and experience of individual to carry out livewire work; Having the specific responsibility care provider of abundant livewire work practical experience livewire work field surveillance professional operating personnel, rely on self abundant livewire work knowledge and experience, to specialty, operating personnel reminds and supervises. But, existing operational method, depend heavily on the Specialized Quality of professional, professional skill and professional experiences, repeatability, reliability and stability are poor, professional at operation field once there is the negligence of any, all it is likely to result in the loss that cannot retrieve, the existing great unstability of livewire work method. Additionally, existing livewire work method fully relies on the experience of professional, complicated and be difficult to promote.
Summary of the invention
An object of the present invention is in that the live-working safety method for early warning providing a kind of good reliability, stability high.
The two of the purpose of the present invention are in that to provide the device of this live-working safety method for early warning of a kind of application.
This live-working safety method for early warning provided by the invention, mainly comprises the steps:
S1 sets up the threedimensional model of power system shaft tower, and arranges the safe distance of operating personnel's human body key position and setting;
S2 is dispersed placement at least three pyroelectric infrared sensor group around power system shaft tower, and three pyroelectric infrared sensor groups can not be point-blank;
S3 receives locus and the human body key position positional information of the infrared energy radiated time computational tasks personnel that human body sends according to pyroelectric infrared sensor group;
Operating personnel locus and human body key position positional information are generated three-dimensional (3 D) manikin by S4 in real time;
The three-dimensional Tower Model that the three-dimensional (3 D) manikin generated in real time in step S4 has been set up by S5 in step sl carries out real-time Simulation;
The distance of S6 monitor in real time operating personnel's human body key position position and setting, this distance once reach the critical state of safe distance, then sends alarm signal and carries out pointing out and reporting to the police.
Described power system three-dimensional Tower Model, three-dimensional (3 D) manikin are by 3dsMax Software Create.
Described real-time Simulation carries out real-time Simulation for adopting 3dsMax software to develop engine in conjunction with TorqueGameEngine.
Described operating personnel's human body key position includes head, left finesse, right finesse, left ankle and right ankle.
The invention also discloses a kind of device applying described live-working safety method for early warning, including sensor assembly, data conversion module and data processing centre; Sensor assembly includes pyroelectric infrared sensor group, signal processing circuit and signal sending circuit, and pyroelectric infrared sensor group is for receiving the infrared energy that human body sends, and exports data to signal processing circuit; Signal processing circuit is for processing the data of pyroelectric infrared sensor group, and is transmitted by signal sending circuit; Data conversion module is for receiving the data that sensor assembly sends, and transfers data to data processing centre by the mode of wire communication; Data processing centre includes data reception module, control centre and alarm module, data reception module and data conversion module support the use, for receiving the data of data conversion module transmission and being sent to control centre, the data that control centre uploads for real-time reception, the analysis carrying out data and statistics, the distance of the actual act of real-time Simulation operating personnel, monitoring operating personnel's human body key position position and setting control alarm module and report to the police in good time on Tower Model; Alarm module is connected with control centre, for receiving the signal of control centre and reporting to the police.
Described pyroelectric infrared sensor group has at least three, dispersed placement around operation shaft tower, and not point-blank.
Described pyroelectric infrared sensor group includes multiple pyroelectric infrared sensor, and multiple pyroelectric infrared sensors are adjacently positioned, the region that each Autonomous test is different.
Described alarm module can be arranged in around operation shaft tower, it is possible to by livewire work, personnel carry with.
Described signal processing circuit includes the wave filter, amplifier and the amplitude discriminator that are sequentially connected in series; Wave filter is for being filtered the output signal of pyroelectric infrared sensor, and amplifier is for being amplified and export analog signals to signal after filtering, and amplitude discriminator is made up of a pair comparator, for analog signals is converted to digital signal.
Communication between described signal sending circuit and data conversion module is wireless telecommunications.
Communication between described data reception module and data conversion module is serial communication.
Described control centre is PC, for the data according to the pyroelectric infrared sensor obtained in real time, adopts 3dsMax software to develop engine in conjunction with TorqueGameEngine and carries out the real-time Simulation of operating personnel.
The device of this live-working safety method for early warning provided by the invention and application the method, owing to adopting pyroelectric infrared sensor to carry out the location of operating personnel, three-dimensional (3 D) manikin in conjunction with the threedimensional model of the operation shaft tower set up in advance and foundation in real time, carry out real-time Simulation on computers, and the safe distance of monitor in real time operating personnel and operation deathtrap, once safe distance reaches critical point and just sends warning, therefore, it is possible to avoid adopting pure artificial experience that livewire work is carried out safety judgement, utilize computer to carry out live-working safety monitoring simultaneously, drastically increase the reliability and stability of livewire work monitoring.
Accompanying drawing explanation
Fig. 1 is the method step schematic flow sheet of the present invention.
Fig. 2 is assembly of the invention functional block diagram.
Fig. 3 is the layout schematic diagram of the pyroelectric infrared sensor group of the present invention.
The one that Fig. 4 is assembly of the invention specifically applies schematic diagram.
Detailed description of the invention
As shown in Figure 1, steps flow chart schematic diagram for the live-working safety method for early warning of the present invention: first dispersed placement at least three pyroelectric infrared sensor group around shaft tower, and utilize three-dimensional animation to render and build three-dimensional Tower Model with Software for producing by actual size, and pre-set the human body key position of operating personnel and the safe distance of setting, when livewire work personnel Deng Ta carries out livewire work, the infrared energy radiation that pyroelectric infrared sensor group detection human body sends, it is filtered by signal processing circuit, after processing and amplifying, sent by signal sending circuit, data conversion module forwards the data data reception module to data processing centre of the pyroelectric infrared sensor group received, the control centre of data processing centre receives the locus of infrared signal Time Calculation operating personnel according to each sensor, and calculate the position coordinates that human body key position obtains, rendered and Software for producing 3dsMax by three-dimensional animation, and develop engine simulation and monitoring on the threedimensional model of the power system shaft tower of modeling in advance in real time in conjunction with TorqueGameEngine, judge within the safe distance whether operating personnel is in setting in advance. once the distance between operating personnel and setting exceedes the critical state of safe distance, then sending alarm signal immediately, otherwise system monitors livewire work personnel always in real time, until livewire work terminates.
It is illustrated in figure 2 the functional block diagram of the live-working safety prior-warning device of the present invention: the live-working safety prior-warning device of the present invention includes sensor assembly, data conversion module and data processing centre; Sensor assembly includes pyroelectric infrared sensor group, signal processing circuit and signal sending circuit, and signal processing circuit includes the wave filter, amplifier and the amplitude discriminator that are sequentially connected in series; Wave filter is for being filtered the output signal of pyroelectric infrared sensor group, amplifier is for being amplified signal after filtering and exporting analog signals, amplitude discriminator is made up of a pair comparator, for analog signals is converted to digital signal, the output signal of signal processing circuit is converted to Zigbee wireless signal by signal sending circuit, and is transferred to data conversion module;Data conversion module is used for receiving Zigbee wireless communication signal, communication data changes into serial port communicating protocol data, and sends to data processing centre, data processing centre includes data reception module, control centre and alarm module, data reception module and data conversion module support the use, for receiving the data of data conversion module transmission and uploading control centre, control centre is made up of computer, it is provided with 3dsMax software and TorqueGameEngine develops engine, and established the threedimensional model of all types of shaft towers of power system in advance, for after the data receiving pyroelectric infrared sensor group, real-time Simulation livewire work personnel real time job action on shaft tower, and the distance between the key position of real-time judge livewire work personnel and operation dangerous spot, once distance reaches safe distance, control centre controls alarm module immediately and reports to the police, to livewire work, personnel propose safety warning, the generation of Accident prevention.
As shown in Figure 3, layout schematic diagram for pyroelectric infrared sensor group: utilize the physical characteristic that pyroelectric infrared sensor is sensitive to the human body radiation of a wavelength range, use multiple pyroelectric sensor, divide the detection region of pyroelectric sensor, and be encoded. When people is when detecting regional movement, excite the sensor output signal of region accordingly, these signals are arranged according to binary system, then human body will be obtained at encoded radio produced by different regional activities, determine the approximate location of personnel according to these encoded radios. The pyroelectric sensor then passing through this regional work detects the time receiving human body radiated infrared signal.
The region segmentation of pyroelectric infrared sensor group: be altogether made up of 8 pyroelectric infrared sensors, each of which infrared sensor oneself independent induction region (numbering respectively 1,3,5,7,8,10,12,14) existing, also has region that the sensor being adjacent overlaps mutually (numbering area respectively 2,4,6,9,11,13). 14 sub regions of the sector region scope that pyroelectric infrared sensor Zu Cong center outwards radiates can be marked off by the method, be numbered 1～14 respectively. To 8 pyroelectric sensor numbering 1～8 respectively, when sensor has output, corresponding binary coding is 1, does not export on the contrary, and binary-coded value is 0. Table 1 lists the relation between output coding and zone number.
Relation between table 1 output coding and zone number
| Detection region | Sensor |
| 1 | [1 0 0 0 0 0 0 0] |
| 2 | [1 1 0 0 0 0 0 0] |
| 3 | [0 1 0 0 0 0 0 0] |
| 4 | [0 1 1 0 0 0 0 0] |
| 5 | [0 0 1 0 0 0 0 0] |
| 6 | [0 0 1 1 0 0 0 0] |
| 7 | [0 0 0 1 0 0 0 0] |
| 8 | [0 0 0 0 1 0 0 0] |
| 9 | [0 0 0 0 1 1 0 0] |
| 10 | [0 0 0 0 0 1 0 0] |
| 11 | [0 0 0 0 0 1 1 0] |
| 12 | [0 0 0 0 0 0 1 0] |
| 13 | [0 0 0 0 0 0 1 1] |
| 14 | [0 0 0 0 0 0 0 1] |
As can be seen from the above table, when livewire work personnel motion in the region that coding is 1～14, the sensor of zones of different will be excited to export different encoded radios, encoded radio determines the approximate location of people, and the pyroelectric sensor then passing through this regional work detects the time receiving human body radiated infrared signal.
Be illustrated in figure 4 the present invention live-working safety prior-warning device specifically apply schematic diagram: at the present embodiment when specifically applying, 4 sensor assemblies of application altogether, number in the figure is 1,2,3,4 be sensor assembly, every 3 is one group, carry out space orientation, often group result mutual calibration, reduces error, improves positioning precision; When specifically applying, first at least 3 pyroelectric infrared sensor groups of dispersed placement around shaft tower, and 3 sensor groups are not arranged on the same straight line be, and arrange 4 in the present embodiment; Due to the vertical direction at shaft tower place for z-axis, so the z-axis coordinate of the vertical direction of 4 sensor assemblies is 0;Assuming that the coordinate of 4 sensors obtained is respectively as follows: (x1, y1,0), (x2, y2,0), (x3, y3,0) and (x4, y4,0); Each sensor group receives the thermal infrared energy of human body radiation, and transmit data to signal processing circuit, the signal that pyroelectric infrared sensor is uploaded by signal processing circuit is filtered, amplifies and is converted to digital signal and analogue signal, and it being transferred to signal sending circuit, signal sending circuit transfers data to data conversion module by Zigbee wireless communication protocol; The data received are converted into serial communication protocol data by data conversion module, are transferred to the data reception module of data processing centre; Data reception module forwards the data to control centre, control centre goes out the position of operating personnel's range sensor group according to the Time Calculation of sensor reception human body radiation, respectively the first distance L1, second distance L2, the 3rd distance L3 and the four distance L4, therefore the space coordinates of livewire work personnel can be gone out according to the position calculation of the position coordinates of 4 sensor groups and four sensor groups of operating personnel's distance: utilizing 1,2, No. 3 sensor groups, computing formula is:
In formula, (x, y, z) for the locus of operating personnel, L1、L2And L3Respectively the first distance, second distance and the 3rd distance, it is possible to try to achieve operating personnel locus (x, y, z); It is utilized respectively 1,3, No. 4 sensor groups again, 1,2, No. 4 sensor groups and 2,3, No. 4 sensor groups are calculated, the locus result of calculation that 4 times calculate the operating personnel obtained is averaged, as the locus of final operating personnel, thus improving positioning precision.
After obtaining the locus of operating personnel, the human body key position positional information of acquired operating personnel is generated three-dimensional (3 D) manikin by control centre in real time, by the process that real-time Simulation operating personnel moves on the three-dimensional Tower Model built up, the screen of the heart shows the handling situations of operating personnel in the controlling in real time. Set the human body key position of operating personnel and the safe distance of operation dangerous spot, the human body key position of control centre monitor in real time operating personnel and the distance of operation dangerous spot in advance; This distance is once reach the critical state of safe distance, and control centre controls alarm module and sends alarm signal, and prompting operating personnel should operation in safety range, it is to avoid accident occurs.
Claims (13)
1. a live-working safety method for early warning, mainly comprises the steps:
S1 sets up the threedimensional model of power system shaft tower, and arranges the safe distance of operating personnel's human body key position and setting;
S2 is dispersed placement at least three pyroelectric infrared sensor group around power system shaft tower, and three pyroelectric infrared sensor groups can not be point-blank;
S3 receives locus and the human body key position positional information of the infrared energy radiated time computational tasks personnel that human body sends according to pyroelectric infrared sensor group;
Operating personnel locus and human body key position positional information are generated three-dimensional (3 D) manikin by S4 in real time;
The three-dimensional Tower Model that the three-dimensional (3 D) manikin generated in real time in step S4 has been set up by S5 in step sl carries out real-time Simulation;
The distance of S6 monitor in real time operating personnel's human body key position position and setting, this distance once reach the critical state of safe distance, then sends alarm signal and carries out pointing out and reporting to the police.
2. live-working safety method for early warning according to claim 1, it is characterised in that described power system three-dimensional Tower Model, three-dimensional (3 D) manikin are by 3dsMax Software Create.
3. live-working safety method for early warning according to claim 1, it is characterised in that described real-time Simulation carries out real-time Simulation for adopting 3dsMax software to develop engine in conjunction with TorqueGameEngine.
4. according to the live-working safety method for early warning one of claims 1 to 3 Suo Shu, it is characterised in that described operating personnel's human body key position includes head, left finesse, right finesse, left ankle and right ankle.
5. the device applying the described live-working safety method for early warning of one of claims 1 to 3, it is characterised in that include sensor assembly, data conversion module and data processing centre; Sensor assembly includes pyroelectric infrared sensor group, signal processing circuit and signal sending circuit, and pyroelectric infrared sensor group is for receiving the infrared energy that human body sends, and exports data to signal processing circuit; Signal processing circuit is for processing the data of pyroelectric infrared sensor group, and is transmitted by signal sending circuit; Data conversion module is for receiving the data that sensor assembly sends, and transfers data to data processing centre by the mode of wire communication; Data processing centre includes data reception module, control centre and alarm module, data reception module and data conversion module support the use, for receiving the data of data conversion module transmission and being sent to control centre, the data that control centre uploads for real-time reception, the analysis carrying out data and statistics, the distance of the actual act of real-time Simulation operating personnel, monitoring operating personnel's human body key position position and setting control alarm module and report to the police in good time on Tower Model; Alarm module is connected with control centre, for receiving the signal of control centre and reporting to the police.
6. the device of live-working safety method for early warning according to claim 5, it is characterised in that described pyroelectric infrared sensor group has at least three, dispersed placement around operation shaft tower, and not point-blank.
7. the device of live-working safety method for early warning according to claim 5, it is characterised in that described pyroelectric infrared sensor group includes multiple pyroelectric infrared sensor, and multiple pyroelectric infrared sensors are adjacently positioned, the region that each Autonomous test is different.
8. the device of live-working safety method for early warning according to claim 5, it is characterised in that described alarm module can be arranged in around operation shaft tower, it is possible to personnel carry with by livewire work.
9. the device of live-working safety method for early warning according to claim 5, it is characterised in that described pyroelectric infrared sensor includes at least three dispersed placement and not pyroelectric infrared sensor point-blank around operation shaft tower.
10. the device of live-working safety method for early warning according to claim 5, it is characterised in that described signal processing circuit includes the wave filter, amplifier and the amplitude discriminator that are sequentially connected in series; Wave filter is for being filtered the output signal of pyroelectric infrared sensor, and amplifier is for being amplified and export analog signals to signal after filtering, and amplitude discriminator is made up of a pair comparator, for analog signals is converted to digital signal.
11. the device of live-working safety method for early warning according to claim 5, it is characterised in that the communication between described signal sending circuit and data conversion module is wireless telecommunications.
12. the device of live-working safety method for early warning according to claim 5, it is characterised in that the communication between described data reception module and data conversion module is serial communication.
13. the device of live-working safety method for early warning according to claim 5, it is characterized in that described control centre is PC, for the data according to the pyroelectric infrared sensor obtained in real time, adopt 3dsMax software to develop engine in conjunction with TorqueGameEngine and carry out the real-time Simulation of operating personnel.
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| CN107941273A (en) * | 2017-11-15 | 2018-04-20 | 国网湖南省电力公司检修公司 | A kind of live-working safety method for early warning and device |
| CN108564740A (en) * | 2018-06-29 | 2018-09-21 | 广东电网有限责任公司 | Charge the alarming device that object table becomes |
| CN112018657A (en) * | 2020-08-03 | 2020-12-01 | 北京拓维思科技有限公司 | Live working safety protection system and method for power transmission line |
| CN112110074A (en) * | 2020-09-16 | 2020-12-22 | 山东国舜建设集团有限公司 | Safe discharging system and method for gypsum hopper |
| CN112365691A (en) * | 2020-10-30 | 2021-02-12 | 广州南方卫星导航仪器有限公司 | Live working safety early warning system |
| CN114882655A (en) * | 2022-03-28 | 2022-08-09 | 国网江苏省电力有限公司南京供电分公司 | Terminal and device for measuring and alarming safety distance of operating personnel without power outage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107025762A (en) * | 2017-05-27 | 2017-08-08 | 国网湖南省电力公司带电作业中心 | Livewire work personal security prior-warning device and method for early warning |
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| CN112018657A (en) * | 2020-08-03 | 2020-12-01 | 北京拓维思科技有限公司 | Live working safety protection system and method for power transmission line |
| CN112110074A (en) * | 2020-09-16 | 2020-12-22 | 山东国舜建设集团有限公司 | Safe discharging system and method for gypsum hopper |
| CN112110074B (en) * | 2020-09-16 | 2021-12-03 | 山东国舜建设集团有限公司 | Safe discharging system and method for gypsum hopper |
| CN112365691A (en) * | 2020-10-30 | 2021-02-12 | 广州南方卫星导航仪器有限公司 | Live working safety early warning system |
| CN114882655A (en) * | 2022-03-28 | 2022-08-09 | 国网江苏省电力有限公司南京供电分公司 | Terminal and device for measuring and alarming safety distance of operating personnel without power outage |
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Application publication date: 20160615 |