CN117354738B - Colliery multi-network fuses communication and rescue broadcasting system - Google Patents
Colliery multi-network fuses communication and rescue broadcasting system Download PDFInfo
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- CN117354738B CN117354738B CN202311651262.XA CN202311651262A CN117354738B CN 117354738 B CN117354738 B CN 117354738B CN 202311651262 A CN202311651262 A CN 202311651262A CN 117354738 B CN117354738 B CN 117354738B
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- 238000004891 communication Methods 0.000 title claims abstract description 128
- 239000003245 coal Substances 0.000 claims abstract description 222
- 238000013441 quality evaluation Methods 0.000 claims abstract description 59
- 238000004458 analytical method Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 268
- 238000011156 evaluation Methods 0.000 claims description 16
- 238000005065 mining Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012216 screening Methods 0.000 claims description 12
- 238000007405 data analysis Methods 0.000 claims description 8
- 238000013075 data extraction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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
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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
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a coal mine multi-network converged communication and rescue broadcasting system, which relates to the technical field of coal mine communication and comprises the following steps: the invention guarantees the accuracy and precision of the analysis of the communication quality evaluation coefficients in the coal mine, further improves the referential of the communication quality evaluation coefficients in the coal mine, provides powerful data support for setting the subsequent rescue broadcasting, improves the reasonability of setting the rescue broadcasting in the coal mine, and avoids the phenomenon of losing connection with staff when the communication equipment of the staff cannot be normally used, thereby timely guaranteeing the personal safety of the staff and being beneficial to the sustainable development of the coal mine industry.
Description
Technical Field
The invention relates to the technical field of coal mine communication, in particular to a coal mine multi-network converged communication and rescue broadcasting system.
Background
Coal mines have long played a key role in national economy and energy development as important mineral resources. However, due to the severe and high risk nature of the coal mine operation environment, coal mine accidents frequently occur, and the life and property safety of people is extremely threatened, and in such a background, the reasonable setting of rescue broadcasting is particularly important, and each worker can be ensured to receive the related information of the rescue broadcasting, so that corresponding safety measures are timely made, and therefore, the reasonable setting of the rescue broadcasting in the coal mine is extremely necessary.
Reasonable setting of rescue broadcasting in the coal mine in the prior art can meet the current requirements to a certain extent, but certain defects exist, and the method is specifically implemented in the following layers: (1) In the prior art, most of the rescue broadcasting in the coal mine is set through the set standard distance, and because the environments in the coal mine are inconsistent, the phenomenon of inconsistent signal transmission quality is possibly caused, so that the setting of the rescue broadcasting in the coal mine is unreasonable, when the communication equipment of the working personnel cannot be normally used, the phenomenon of losing connection with the working personnel is easy to occur, the personal safety of the working personnel cannot be timely guaranteed, and the sustainable development of the coal mine industry is not facilitated.
(2) In the prior art, the communication quality of wireless communication equipment used by staff in a coal mine is not high in attention, along with the development of scientific technology, wireless communication is flexible, the wireless communication equipment is widely applied to the coal mine in recent years, the communication quality evaluation coefficient analysis accuracy and precision in the coal mine are caused due to the neglect of the prior art, the reference of the communication quality evaluation coefficient in the coal mine is further reduced, and powerful data support cannot be provided for setting of subsequent rescue broadcasting.
Disclosure of Invention
In order to overcome the defects in the background technology, the embodiment of the invention provides a coal mine multi-network converged communication and rescue broadcasting system, which can effectively solve the problems related to the background technology.
The aim of the invention can be achieved by the following technical scheme: a coal mine multi-network converged communication and rescue broadcast system, comprising: the handheld terminal transmission data acquisition module is used for acquiring types and transmission data corresponding to handheld terminals of all staff in a coal mine in a set period, wherein the types comprise wireless communication and special mining communication, and the transmission data comprises audio corresponding to each transmission, a transmission starting time point and a transmission ending time point.
The base station receiving data extraction module is used for obtaining receiving data corresponding to the handheld terminals of all staff in the coal mine in a set period from the base station in the coal mine, wherein the receiving data comprises receiving audios corresponding to each transmission, a receiving starting time point and a receiving ending time point.
The coal mine inner transmission area dividing module is used for dividing the coal mine inner space into a plurality of space subareas to obtain each space subarea corresponding to the coal mine.
The handheld terminal transmission data analysis module is used for analyzing communication quality evaluation coefficients of all staff in the coal mine corresponding to all transmissions in a set period according to transmission data and receiving data corresponding to the handheld terminal to which all staff in the coal mine belong in the set period, and analyzing all staff corresponding to all the space subareas to be analyzed to which the coal mine belongs, so that the data transmission quality evaluation coefficients corresponding to all the space subareas to be analyzed to which the coal mine belongs are analyzed.
And the communication obstacle space subarea screening module is used for screening each communication obstacle space subarea corresponding to the coal mine according to the data transmission quality evaluation coefficient corresponding to each to-be-analyzed space subarea to which the coal mine belongs.
The rescue broadcast setting module is used for carrying out rescue broadcast setting on all communication obstacle space subareas which the coal mine belongs to.
Further, the specific analysis method for analyzing the communication quality evaluation coefficients of each transmission of each worker in the coal mine in the set period comprises the following steps: extracting the corresponding type of the handheld terminal of each worker in the coal mine in the set period, marking the worker as a wireless worker if the corresponding type of the handheld terminal of the worker in the coal mine in the set period is wireless communication, and carrying out the following analysis: extracting audio corresponding to each transmission in transmission data of handheld terminals to which wireless staff belongs in a set period in a coal mineAnd transmission end time point->Acquiring the instantaneous transmission rate V of the wireless staff corresponding to each transmission at each detection time point in a set period from the coal mine base station im Where i denotes the number of the wireless staff corresponding to each transmission, i=1, 2, …, n, m denotes the number of each detection time point, m=1, 2, …, l;
extracting the coal mine inner partThe wireless staff receives the corresponding receiving audio frequency of each transmission in the corresponding receiving data of the handheld terminal in the set period and starts the time point of the receivingAnd reception end time point->Further analyzing the communication quality evaluation coefficient epsilon of the wireless staff corresponding to each transmission in the coal mine i；
If the type of the handheld terminal which a worker belongs to in the coal mine in a set period is special mining communication, the worker is marked as a special worker, and the following analysis is carried out:
extracting corresponding audio of each transmission from transmission data of the handheld terminal of the special staff in the coal mine in a set periodAnd transmission end time point->Extracting the receiving audio corresponding to each transmission in the receiving data corresponding to the handheld terminal to which the special staff belongs in the coal mine in the set period, and starting the receiving time pointAnd reception end time point->；
Analyzing the communication quality evaluation coefficient eta of the special staff in the coal mine corresponding to each transmission in a set period p Wherein p represents the number of the dedicated staff member corresponding to each transmission, p=1, 2, …, q;
counting the communication quality evaluation coefficient mu of each worker in the coal mine corresponding to each transmission in a set period jp WhereinJ is the number of each worker, j=1, 2, …, k.
Further, the wireless staff in the analysis coal mine is corresponding to the communication quality evaluation coefficient epsilon of each transmission in a set period i The specific analysis method comprises the following steps: based on the corresponding audio of each transmission in the transmission data of the handheld terminal of the wireless staff in the coal mine in the set period, the audio text of each transmission of the wireless staff in the coal mine in the set period is obtained, the received audio text of each transmission of the wireless staff in the coal mine in the set period is obtained in the same way, and the transmission distortion evaluation index sigma of each transmission of the wireless staff in the coal mine in the set period is analyzed i ；
Extracting time points corresponding to each transmission keyword from audio texts corresponding to each transmission of the wireless staff in the coal mine in a set period, acquiring time points corresponding to each reception keyword of each transmission of the wireless staff in the coal mine in the set period, and analyzing the transmission stability corresponding to each transmission of the wireless staff in the coal mine in the set period according to the time points；
The maximum instantaneous transmission rate is screened according to the instantaneous transmission rate of the wireless staff corresponding to each transmission at each detection time point in a set period obtained by the coal mine base stationAnd minimum instantaneous transmission rate->Comprehensively analyzing communication quality evaluation coefficients of the wireless staff in the coal mine corresponding to each transmission in a set periodWherein，T 'is a predefined wireless communication reception start permission delay time period, T″ is a predefined wireless communication reception end permission delay time period, v' is a predefined instantaneous transmission rate tolerance error, v″ is a predefined maximum instantaneous transmission rate and minimum instantaneous transmission rate tolerance error, m is the number of detection time points, lambda 1 、λ 2 、λ 3 、λ 4 Respectively expressed as predefined transmission stability, transmission distortion assessment index, transmission time suitability, and transmission rate suitability.
Further, the transmission stability corresponding to each transmission of the wireless staff in the coal mine in a set period is determined by the specific analysis method: according to the time points corresponding to the transmission keywords corresponding to the transmission transmissions of the wireless staff in the coal mine in the set periodAnd the time point of each received keyword +.>Where h denotes the number of each transmission keyword, h=1, 2, …, g, b denotes the number of each reception keyword, b=1, 2, …, d;
analyzing the transmission stability corresponding to each transmission of the wireless staff in the coal mine in a set periodWherein g is the number of transmitted keywords, d is the number of received keywords, ++>Is a predefined allowable average interval deviation duration.
Further, the transmission distortion evaluation index corresponding to each transmission of the wireless staff in the coal mine in a set period comprises the following specific analysis method: corresponding audio text is transmitted from the wireless staff in the coal mine in each time in a set periodExtracting several keywords from the text, and constructing a sending keyword set E i ；
Similarly, a receiving keyword set F corresponding to each transmission of the wireless staff in the coal mine in a set period is constructed i ；
Analyzing transmission distortion evaluation indexes corresponding to each transmission of the wireless staff in a coal mine in a set period。
Further, the analysis of the communication quality evaluation coefficient eta of the special staff in the coal mine corresponding to each transmission in a set period p The specific calculation formula is as follows: the method is consistent with the analysis method of the transmission stability and the transmission distortion evaluation index corresponding to each transmission of the wireless staff in the coal mine in the set period, and the transmission stability of the special staff in the coal mine corresponding to each transmission in the set period is analyzedAnd transmission distortion assessment index->；
Comprehensively analyzing communication quality evaluation coefficients of the special staff corresponding to each transmission in a set period in a coal mineWhereinWherein Y' is a predefined dedicated mining communication reception start permission delay period and Y″ is a predefined dedicated mining communication reception end permission delay period.
Further, the specific analysis method for each worker corresponding to each space subarea to be analyzed of the analysis coal mine comprises the following steps: and acquiring each associated space subarea of all staff in the coal mine, which corresponds to each transmission in the set period, according to a positioning system built in the handheld terminal to which all staff in the coal mine belong in the set period.
The same associated space subareas are marked as target space subareas, and then each transmission of each worker corresponding to each target space subarea is counted, the corresponding communication quality evaluation coefficient is obtained, the average value processing is carried out on the communication quality evaluation coefficient, and further the comprehensive communication transmission quality coefficient corresponding to each worker in each target space subarea is analyzed.
The same target space subareas are marked as the space subareas to be analyzed, so that all the space subareas to be analyzed in the coal mine are counted, and all the staff corresponding to all the space subareas to be analyzed to which the coal mine belongs are counted accordingly.
Further, the data transmission quality evaluation coefficients corresponding to the sub-regions of the space to be analyzed, to which the analysis coal mine belongs, are analyzed by the specific analysis method: according to the comprehensive communication transmission quality coefficients of the workers corresponding to the target space subareas, the communication transmission quality coefficients of the workers corresponding to the space subareas to be analyzed are obtained, and are subjected to mean value processing, so that the data transmission quality evaluation coefficients corresponding to the space subareas to be analyzed, to which the coal mine belongs, are obtained.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects: (1) The invention acquires the transmission data of the hand-held terminal of the staff in the coal mine in the hand-held terminal transmission data acquisition module, thereby laying a certain foundation for the subsequent evaluation of the communication quality.
The invention obtains the received data of the handheld terminal of the staff from the base station in the coal mine in the base station received data extraction module, thereby providing powerful data support for the subsequent evaluation of communication quality.
The invention divides the space in the coal mine in the transmission area dividing module in the coal mine, thereby laying a foundation for setting the subsequent rescue broadcasting.
According to the invention, the wireless communication equipment used by staff in the coal mine and the special mining communication equipment are used for comprehensive analysis in the handheld terminal transmission data analysis module, so that the communication quality is judged, the defect of low attention on the aspect in the prior art is overcome, the accuracy and the precision of analysis of the communication quality evaluation coefficient in the coal mine are ensured, the reference of the communication quality evaluation coefficient in the coal mine is further improved, and a powerful data support is provided for setting of subsequent rescue broadcasting.
According to the invention, the communication obstacle space subarea is screened through the data transmission quality evaluation coefficient of the space subarea in the coal mine in the communication obstacle space subarea screening module, so that the defect that rescue broadcasting in the coal mine is set mostly through a set standard distance in the prior art is overcome, the setting of the rescue broadcasting in the coal mine is more reasonable, the phenomenon of losing connection with workers is avoided when the communication equipment of the workers cannot be normally used, the personal safety of the workers is timely guaranteed, and the sustainable development of the coal mine industry is facilitated.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic diagram of the module connection of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a coal mine multi-network converged communication and rescue broadcasting system, comprising: the system comprises a handheld terminal transmission data acquisition module, a base station receiving data extraction module, a coal mine transmission area division module, a handheld terminal transmission data analysis module, a communication obstacle space sub-area screening module and a rescue broadcast setting module.
The system comprises a hand-held terminal transmission data acquisition module, a base station receiving data extraction module and a coal mine transmission area division module, wherein the hand-held terminal transmission data acquisition module, the base station receiving data extraction module and the coal mine transmission area division module are all connected with a hand-held terminal transmission data analysis module, the hand-held terminal transmission data analysis module is connected with a communication obstacle space subarea screening module, and the communication obstacle space subarea screening module is connected with a rescue broadcast setting module.
The handheld terminal transmission data acquisition module is used for acquiring types and transmission data corresponding to handheld terminals of all staff in a coal mine in a set period, wherein the types comprise wireless communication and special mining communication, and the transmission data comprises audio corresponding to each transmission, a transmission starting time point and a transmission ending time point.
The invention acquires the transmission data of the hand-held terminal of the staff in the coal mine in the hand-held terminal transmission data acquisition module, thereby laying a certain foundation for the subsequent evaluation of the communication quality.
The base station receiving data extraction module is used for obtaining receiving data corresponding to the handheld terminals of all staff in the coal mine in a set period from the base station in the coal mine, wherein the receiving data comprises receiving audios corresponding to each transmission, receiving starting time points and receiving ending time points.
The invention obtains the received data of the handheld terminal of the staff from the base station in the coal mine in the base station received data extraction module, thereby providing powerful data support for the subsequent evaluation of communication quality.
The transmission area dividing module in the coal mine is used for dividing the space in the coal mine into a plurality of space subareas to obtain each space subarea corresponding to the coal mine.
The method for dividing the space in the coal mine into a plurality of space subareas comprises the following specific steps: dividing the coal mine paving road into a plurality of paving sub-roads according to the set length, further extending the paving sub-roads upwards, and marking the area formed by the paving sub-roads and the building entity above as a plurality of space sub-areas.
The invention divides the space in the coal mine in the transmission area dividing module in the coal mine, thereby laying a foundation for setting the subsequent rescue broadcasting.
The handheld terminal transmission data analysis module is used for analyzing communication quality evaluation coefficients of all staff in the coal mine corresponding to all transmissions in a set period according to transmission data and receiving data corresponding to the handheld terminal to which all staff in the coal mine belong in the set period, and analyzing all staff corresponding to all space subareas to be analyzed to which the coal mine belongs, so that data transmission quality evaluation coefficients corresponding to all the space subareas to be analyzed to which the coal mine belongs are analyzed.
In a specific embodiment of the present invention, the method for analyzing the communication quality evaluation coefficients of each transmission of each worker in the coal mine in a set period includes: extracting the corresponding type of the handheld terminal of each worker in the coal mine in the set period, marking the worker as a wireless worker if the corresponding type of the handheld terminal of the worker in the coal mine in the set period is wireless communication, and carrying out the following analysis:
extracting audio corresponding to each transmission in transmission data of handheld terminals to which wireless staff belongs in a set period in a coal mineAnd transmission end time point->Acquiring the instantaneous transmission rate V of the wireless staff corresponding to each transmission at each detection time point in a set period from the coal mine base station im Where i denotes the number of the wireless staff corresponding to each transmission, i=1, 2, …, n, m denotes the number of each detection time point, m=1, 2, …, l;
extracting the receiving audio frequency corresponding to each transmission in the receiving data corresponding to the handheld terminal to which the wireless staff belongs in the coal mine in a set period and the receiving starting time pointAnd reception end time point->Further analyzing the communication quality evaluation coefficient epsilon of the wireless staff corresponding to each transmission in the coal mine i；
If the type of the handheld terminal which a worker belongs to in the coal mine in a set period is special mining communication, the worker is marked as a special worker, and the following analysis is carried out:
extracting corresponding audio of each transmission from transmission data of the handheld terminal of the special staff in the coal mine in a set periodAnd transmission end time point->Extracting the receiving audio corresponding to each transmission in the receiving data corresponding to the handheld terminal to which the special staff belongs in the coal mine in the set period, and starting the receiving time pointAnd reception end time point->；
Analyzing the communication quality evaluation coefficient eta of the special staff in the coal mine corresponding to each transmission in a set period p Wherein p represents the number of the dedicated staff member corresponding to each transmission, p=1, 2, …, q;
counting the communication quality evaluation coefficient mu of each worker in the coal mine corresponding to each transmission in a set period jp WhereinJ is the number of each worker, j=1, 2, …, k.
In the specific embodiment of the invention, the communication quality evaluation coefficient epsilon of the wireless staff corresponding to each transmission in the set period in the coal mine is analyzed i The specific analysis method comprises the following steps: based on the transmission data of the handheld terminal to which the wireless staff belongs in the set period in the coal mineThe corresponding audio of each transmission is obtained, the audio text corresponding to each transmission of the wireless staff in the coal mine in the set period is obtained, the received audio text corresponding to each transmission of the wireless staff in the coal mine in the set period is obtained in a similar way, and then the transmission distortion evaluation index sigma corresponding to each transmission of the wireless staff in the coal mine in the set period is analyzed i ；
Extracting time points corresponding to each transmission keyword from audio texts corresponding to each transmission of the wireless staff in the coal mine in a set period, acquiring time points corresponding to each reception keyword of each transmission of the wireless staff in the coal mine in the set period, and analyzing the transmission stability corresponding to each transmission of the wireless staff in the coal mine in the set period according to the time points；
The maximum instantaneous transmission rate is screened according to the instantaneous transmission rate of the wireless staff corresponding to each transmission at each detection time point in a set period obtained by the coal mine base stationAnd minimum instantaneous transmission rate->Comprehensively analyzing communication quality evaluation coefficients of the wireless staff in the coal mine corresponding to each transmission in a set periodWherein，T 'is a predefined wireless communication reception start permission delay period, T″ is a predefined wireless communication reception end permission delay period, v' is a predefined instantaneous transmission rate tolerance error, v″ is a predefined maximum instantaneous transmission rate and minimum instantaneous transmission rateTolerance, m is the number of detection time points, lambda 1 、λ 2 、λ 3 、λ 4 Respectively expressed as predefined transmission stability, transmission distortion assessment index, transmission time suitability, and transmission rate suitability.
In a specific embodiment of the present invention, the transmission stability corresponding to each transmission of the wireless staff in the coal mine in a set period is specifically analyzed by: according to the time points corresponding to the transmission keywords corresponding to the transmission transmissions of the wireless staff in the coal mine in the set periodAnd the time point of each received keyword +.>Where h denotes the number of each transmission keyword, h=1, 2, …, g, b denotes the number of each reception keyword, b=1, 2, …, d;
analyzing the transmission stability corresponding to each transmission of the wireless staff in the coal mine in a set periodWherein g is the number of transmitted keywords, d is the number of received keywords, ++>Is a predefined allowable average interval deviation duration.
In a specific embodiment of the present invention, the transmission distortion evaluation index corresponding to each transmission to which the wireless staff belongs in the coal mine in a set period is specifically analyzed by: extracting a plurality of keywords from audio texts corresponding to each transmission of the wireless staff in the coal mine in a set period, and further constructing a transmitting keyword set E i。
Similarly, a receiving keyword set F corresponding to each transmission of the wireless staff in the coal mine in a set period is constructed i。
Analyzing the presence of the wireless staff in the coal mineSetting transmission distortion evaluation index corresponding to each transmission in period。
In the specific embodiment of the invention, the communication quality evaluation coefficient eta of the special staff in the coal mine corresponding to each transmission in the set period is analyzed p The specific calculation formula is as follows: the method is consistent with the analysis method of the transmission stability and the transmission distortion evaluation index corresponding to each transmission of the wireless staff in the coal mine in the set period, and the transmission stability of the special staff in the coal mine corresponding to each transmission in the set period is analyzedAnd transmission distortion assessment index->；
Comprehensively analyzing communication quality evaluation coefficients of the special staff corresponding to each transmission in a set period in a coal mineWhereinWherein Y' is a predefined dedicated mining communication reception start permission delay period and Y″ is a predefined dedicated mining communication reception end permission delay period.
In a specific embodiment of the invention, the specific analysis method for analyzing each worker corresponding to each space subarea to be analyzed to which the coal mine belongs comprises the following steps: and acquiring each associated space subarea of all staff in the coal mine, which corresponds to each transmission in the set period, according to a positioning system built in the handheld terminal to which all staff in the coal mine belong in the set period.
The same associated space subareas are marked as target space subareas, and then each transmission of each worker corresponding to each target space subarea is counted, the corresponding communication quality evaluation coefficient is obtained, the average value processing is carried out on the communication quality evaluation coefficient, and further the comprehensive communication transmission quality coefficient corresponding to each worker in each target space subarea is analyzed.
The same target space subareas are marked as the space subareas to be analyzed, so that all the space subareas to be analyzed in the coal mine are counted, and all the staff corresponding to all the space subareas to be analyzed to which the coal mine belongs are counted accordingly.
In a specific embodiment of the present invention, the method for analyzing the data transmission quality evaluation coefficients corresponding to each to-be-analyzed space subarea to which the coal mine belongs includes: according to the comprehensive communication transmission quality coefficients of the workers corresponding to the target space subareas, the communication transmission quality coefficients of the workers corresponding to the space subareas to be analyzed are obtained, and are subjected to mean value processing, so that the data transmission quality evaluation coefficients corresponding to the space subareas to be analyzed, to which the coal mine belongs, are obtained.
According to the invention, the wireless communication equipment used by staff in the coal mine and the special mining communication equipment are used for comprehensive analysis in the handheld terminal transmission data analysis module, so that the communication quality is judged, the defect of low attention on the aspect in the prior art is overcome, the accuracy and the precision of analysis of the communication quality evaluation coefficient in the coal mine are ensured, the reference of the communication quality evaluation coefficient in the coal mine is further improved, and a powerful data support is provided for setting of subsequent rescue broadcasting.
The communication obstacle space subarea screening module is used for screening each communication obstacle space subarea corresponding to the coal mine according to the data transmission quality evaluation coefficient corresponding to each to-be-analyzed space subarea to which the coal mine belongs.
The method for screening the communication obstacle space subareas corresponding to the coal mine comprises the following specific steps: comparing the data transmission quality evaluation coefficient corresponding to each to-be-analyzed space subarea of the coal mine with a predefined data transmission quality evaluation coefficient threshold, and if the data transmission quality evaluation coefficient corresponding to a certain to-be-analyzed space subarea of the coal mine is smaller than the data transmission quality evaluation coefficient threshold, marking the to-be-analyzed space subarea as a communication obstacle subarea, so as to obtain each communication obstacle space subarea corresponding to the coal mine.
According to the invention, the communication obstacle space subarea is screened through the data transmission quality evaluation coefficient of the space subarea in the coal mine in the communication obstacle space subarea screening module, so that the defect that rescue broadcasting in the coal mine is set mostly through a set standard distance in the prior art is overcome, the setting of the rescue broadcasting in the coal mine is more reasonable, and the phenomenon of losing connection with workers is avoided when the communication equipment of the workers cannot be normally used, so that the personal safety of the workers is timely ensured, and the sustainable development of the coal mine industry is facilitated
The rescue broadcast setting module is used for carrying out rescue broadcast setting on all communication obstacle space subareas which the coal mine belongs to.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art of describing particular embodiments without departing from the structures of the invention or exceeding the scope of the invention as defined by the claims.
Claims (8)
1. A coal mine multi-network converged communication and rescue broadcasting system, comprising:
the handheld terminal transmission data acquisition module is used for acquiring types and transmission data corresponding to handheld terminals of all staff in a coal mine in a set period, wherein the types comprise wireless communication and special mining communication, and the transmission data comprises audio corresponding to each transmission, a transmission starting time point and a transmission ending time point;
the base station receiving data extraction module is used for acquiring receiving data corresponding to the handheld terminals of all staff in the coal mine in a set period from the base station in the coal mine, wherein the receiving data comprises receiving audios corresponding to each transmission, a receiving starting time point and a receiving ending time point;
the coal mine inner transmission area dividing module is used for dividing the coal mine inner space into a plurality of space subareas to obtain each space subarea corresponding to the coal mine;
the handheld terminal transmission data analysis module is used for analyzing communication quality evaluation coefficients of all staff in the coal mine corresponding to all transmissions in a set period according to transmission data and receiving data corresponding to the handheld terminal to which all staff in the coal mine belong in the set period, and analyzing all staff corresponding to all the space subareas to be analyzed to which the coal mine belongs, so that data transmission quality evaluation coefficients corresponding to all the space subareas to be analyzed to which the coal mine belongs are analyzed;
the communication obstacle space subarea screening module is used for screening each communication obstacle space subarea corresponding to the coal mine according to the data transmission quality evaluation coefficient corresponding to each to-be-analyzed space subarea to which the coal mine belongs;
the rescue broadcast setting module is used for carrying out rescue broadcast setting on all communication obstacle space subareas which the coal mine belongs to.
2. The coal mine multi-network converged communication and rescue broadcasting system of claim 1, wherein: the specific analysis method for analyzing the communication quality evaluation coefficients of each transmission of each worker in the coal mine in the set period comprises the following steps:
extracting the corresponding type of the handheld terminal of each worker in the coal mine in the set period, marking the worker as a wireless worker if the corresponding type of the handheld terminal of the worker in the coal mine in the set period is wireless communication, and carrying out the following analysis:
extracting audio corresponding to each transmission in transmission data of handheld terminals to which wireless staff belongs in a set period in a coal mineAnd transmission end time point->Acquiring the instantaneous transmission rate V of the wireless staff corresponding to each transmission at each detection time point in a set period from the coal mine base station im Wherein i is denoted as the wireless workerThe number of each transmission corresponds to the member, i=1, 2, …, n, m being the number of each detection time point, m=1, 2, …, l;
extracting the receiving audio frequency corresponding to each transmission in the receiving data corresponding to the handheld terminal to which the wireless staff belongs in the coal mine in a set period and the receiving starting time pointAnd reception end time point->Further analyzing the communication quality evaluation coefficient epsilon of the wireless staff corresponding to each transmission in the coal mine i；
If the type of the handheld terminal which a worker belongs to in the coal mine in a set period is special mining communication, the worker is marked as a special worker, and the following analysis is carried out:
extracting corresponding audio of each transmission from transmission data of the handheld terminal of the special staff in the coal mine in a set periodAnd transmission end time point->Extracting the corresponding receiving audio frequency of each transmission in the corresponding receiving data of the handheld terminal of the special staff in the coal mine in the set period, and the receiving starting time point +.>And reception end time point->；
Analyzing the communication quality evaluation coefficient eta of the special staff in the coal mine corresponding to each transmission in a set period p Wherein p represents the number of the dedicated staff member corresponding to each transmission, p=1, 2, …, q;
counting the communication quality evaluation coefficient mu of each worker in the coal mine corresponding to each transmission in a set period jp WhereinJ is the number of each worker, j=1, 2, …, k.
3. The coal mine multi-network converged communication and rescue broadcasting system of claim 2, wherein: the communication quality evaluation coefficient epsilon of the wireless staff corresponding to each transmission in the set period in the analysis coal mine i The specific analysis method comprises the following steps:
based on the corresponding audio of each transmission in the transmission data of the handheld terminal of the wireless staff in the coal mine in the set period, the audio text of each transmission of the wireless staff in the coal mine in the set period is obtained, the received audio text of each transmission of the wireless staff in the coal mine in the set period is obtained in the same way, and the transmission distortion evaluation index sigma of each transmission of the wireless staff in the coal mine in the set period is analyzed i ；
Extracting time points corresponding to each transmission keyword from audio texts corresponding to each transmission of the wireless staff in the coal mine in a set period, acquiring time points corresponding to each reception keyword of each transmission of the wireless staff in the coal mine in the set period, and analyzing the transmission stability corresponding to each transmission of the wireless staff in the coal mine in the set period according to the time points；
The maximum instantaneous transmission rate is screened according to the instantaneous transmission rate of the wireless staff corresponding to each transmission at each detection time point in a set period obtained by the coal mine base stationAnd minimum instantaneous transmission rate->Comprehensively analyzing communication quality evaluation coefficients of the wireless staff in the coal mine corresponding to each transmission in a set periodWherein，T 'is a predefined wireless communication reception start permission delay time period, T″ is a predefined wireless communication reception end permission delay time period, v' is a predefined instantaneous transmission rate tolerance error, v″ is a predefined maximum instantaneous transmission rate and minimum instantaneous transmission rate tolerance error, m is the number of detection time points, lambda 1 、λ 2 、λ 3 、λ 4 Respectively expressed as predefined transmission stability, transmission distortion assessment index, transmission time suitability, and transmission rate suitability.
4. A coal mine multi-network converged communication and rescue broadcast system in accordance with claim 3, wherein: the wireless staff in the coal mine has the transmission stability corresponding to each transmission in a set period, and the specific analysis method comprises the following steps:
according to the time points corresponding to the transmission keywords corresponding to the transmission transmissions of the wireless staff in the coal mine in the set periodAnd the time point of each received keyword +.>Where h denotes the number of each transmission keyword, h=1, 2, …, g, b denotes the number of each reception keyword, b=1, 2, …, d;
analysisThe wireless staff in the coal mine has the transmission stability corresponding to each transmission in the set periodWherein g is the number of transmitted keywords, d is the number of received keywords, ++>Is a predefined allowable average interval deviation duration.
5. A coal mine multi-network converged communication and rescue broadcast system in accordance with claim 3, wherein: the specific analysis method of the transmission distortion evaluation index corresponding to each transmission of the wireless staff in the coal mine in the set period is as follows:
extracting a plurality of keywords from audio texts corresponding to each transmission of the wireless staff in the coal mine in a set period, and further constructing a transmitting keyword set E i ；
Similarly, a receiving keyword set F corresponding to each transmission of the wireless staff in the coal mine in a set period is constructed i ；
Analyzing transmission distortion evaluation indexes corresponding to each transmission of the wireless staff in a coal mine in a set period。
6. A coal mine multi-network converged communication and rescue broadcast system in accordance with claim 3, wherein: the communication quality evaluation coefficient eta of the special staff in the analysis coal mine corresponding to each transmission in a set period p The specific calculation formula is as follows:
the method is consistent with the analysis method of the transmission stability and the transmission distortion evaluation index corresponding to each transmission of the wireless staff in the coal mine in the set period, and the transmission stability of the special staff in the coal mine corresponding to each transmission in the set period is analyzedAnd transmission distortion assessment index->；
Comprehensively analyzing communication quality evaluation coefficients of the special staff corresponding to each transmission in a set period in a coal mineWhereinWherein Y' is a predefined dedicated mining communication reception start permission delay period and Y″ is a predefined dedicated mining communication reception end permission delay period.
7. The coal mine multi-network converged communication and rescue broadcasting system of claim 1, wherein: the specific analysis method of each worker corresponding to each space subarea to be analyzed of the analysis coal mine comprises the following steps:
acquiring each associated space subarea of all staff in the coal mine, which corresponds to each transmission in a set period, according to a positioning system built in a handheld terminal to which all staff in the coal mine belongs in the set period;
marking the same associated space subarea as a target space subarea, further counting each transmission corresponding to each staff in each target space subarea, acquiring a corresponding communication quality evaluation coefficient, and carrying out mean value processing on the communication quality evaluation coefficient to obtain and analyze a comprehensive communication transmission quality coefficient corresponding to each staff in each target space subarea;
the same target space subareas are marked as the space subareas to be analyzed, so that all the space subareas to be analyzed in the coal mine are counted, and all the staff corresponding to all the space subareas to be analyzed to which the coal mine belongs are counted accordingly.
8. The coal mine multi-network converged communication and rescue broadcasting system of claim 1, wherein: the data transmission quality evaluation coefficients corresponding to all the space subareas to be analyzed of the analysis coal mine are analyzed, and the specific analysis method comprises the following steps: according to the comprehensive communication transmission quality coefficients of the workers corresponding to the target space subareas, the communication transmission quality coefficients of the workers corresponding to the space subareas to be analyzed are obtained, and are subjected to mean value processing, so that the data transmission quality evaluation coefficients corresponding to the space subareas to be analyzed, to which the coal mine belongs, are obtained.
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