CN116843161B - Remote power supply analysis management system for underground coal mine tunneling coal mining equipment - Google Patents
Remote power supply analysis management system for underground coal mine tunneling coal mining equipment Download PDFInfo
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Abstract
The invention belongs to the technical field of equipment power supply analysis, and particularly discloses a remote power supply analysis management system of underground tunneling coal mining equipment. According to the wireless power supply system, the wireless power supply transmission loss degree and the wireless power supply transmission interference degree are analyzed through the structure information, the equipment operation information and the mine environment information of the mine, and meanwhile the power supply demand trend degree is analyzed, so that the wireless transmission power supply scheme is confirmed, the defects of a wireless remote power supply mode at present are effectively overcome, the suitability and the reliability of the wireless remote power supply are ensured, the smoothness, the persistence and the stability of the subsequent coal mining operation of a coal mine are further ensured, and the practicability is high.
Description
Technical Field
The invention belongs to the technical field of equipment power supply analysis, and relates to a remote power supply analysis management system of underground coal mine tunneling coal mining equipment.
Background
When performing tunnelling and coal mining operations downhole, a stable and reliable power supply to various equipment is required. However, due to the narrow and complex environment under the mine, the conventional wired power supply mode is difficult and heavy. In order to ensure production efficiency and reduce interruption and shutdown time, remote power supply analysis and management are required for tunneling coal mining equipment.
The remote power supply of the underground tunneling coal mining equipment of the coal mine comprises three common power supply modes of cable power supply, storage battery power supply or wireless power supply, and the wireless power supply is used most frequently as the most convenient power supply mode in the three power supply modes, however, the following defects exist in the wireless remote power supply analysis at present: 1. the feasibility of power supply is considered insufficiently, power supply analysis and management are mainly carried out at present according to the power, the using duration and the distance level of equipment, and the interference analysis of underground concrete coal mining environments and obstacles is less, so that the feasibility of confirming the power supply scheme is not guaranteed, and the smoothness, the persistence and the stability of subsequent underground coal mining operation cannot be ensured.
2. The power supply requirement condition is not fully considered, the assessment is mainly carried out according to the use requirement of equipment at present, and comprehensive consideration is not carried out on the specific operation condition, the running peak power and the like, so that the reference of the power supply requirement of the current underground tunneling coal mining equipment is not strong, the suitability of a power supply mode cannot be ensured, and the power consumption requirement of the subsequent normal coal mining operation cannot be maintained.
3. The stability to the power supply is considered not enough, does not carry out careful analysis to the power supply loss at present, and then makes the stability of follow-up power supply not obtain the guarantee, probably leads to frequent power interruption or voltage fluctuation to increase coal-winning equipment's fault risk, and then lead to production interruption, cost of maintenance increase and security risk's improvement, still can increase the accident risk simultaneously, further endanger workman's operation safety.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, a remote power supply analysis management system for underground coal mine tunneling and mining equipment is provided.
The aim of the invention can be achieved by the following technical scheme: the invention provides a remote power supply analysis management system of underground coal mine tunneling coal mining equipment, which comprises the following components: and the mine structure information extraction module is used for extracting a mine structure corresponding to the target coal mine and positioning structure information from the mine structure.
The equipment operation information extraction module is used for extracting the number of auxiliary coal mining equipment corresponding to the target coal mine, the planned operation time period, the service life and the operation power of each auxiliary coal mining equipment, and extracting the service life, the operation power, the planned operation time period, the planned tunneling distance, the hardness, the density and the number of broken positions of the planned tunneling wall surface of the current tunneling coal mining equipment.
And the mine environment information monitoring module is used for dividing the target coal mine into coal mine areas and monitoring the current environment information in the coal mine areas.
The power supply transmission loss interference analysis module is used for analyzing the wireless power supply transmission loss degree of the target coal mine and the wireless power supply transmission interference degree of the target coal mine according to the structural information and the environmental information of the target coal mine, and respectively recording asAnd->。
And the coal mining operation information base is used for storing the reference loss electric quantity corresponding to the unit wireless power supply transmission distance and the current planned wireless power supply power.
The equipment power supply demand analysis and confirmation module is used for analyzing the trend degree of the corresponding power supply demand of the target coal mineAnd confirming the wireless transmission power supply scheme of the target coal mine.
And the equipment power supply scheme feedback terminal is used for feeding the wireless transmission power supply scheme of the target coal mine back to the corresponding power supply manager of the target coal mine.
Preferably, the structural information comprises the number of laid metal supports, the length of mine roadways, the depth of mine roadways, the number of mine roadway bending positions, the bending angles corresponding to the bending positions of mine roadways, the number of mine roadway barrier positions and the barrier volumes of the barrier positions.
The environmental information includes electromagnetic noise value, temperature, humidity, coal dust concentration, gas concentration, ground water level height and ground water level conductivity.
Preferably, the analyzing the wireless power supply transmission loss degree of the target coal mine comprises: and extracting the mine tunnel length and the mine depth from the structural information corresponding to the target coal mine, and simultaneously extracting the planned tunneling distance of the current tunneling coal mining equipment.
Taking the sum of the mine tunnel length, the mine depth and the planned tunneling distance as the corresponding wireless power supply transmission distance of the target coal mine, and marking as。
Extracting the reference loss electric quantity corresponding to the unit wireless power supply transmission distance from the coal mining operation information base, and recording the reference loss electric quantity as。
Extracting the number of mine tunnel bending positions, the bending angles corresponding to each mine tunnel bending position, the number of mine tunnel barrier positions and the barrier volumes of each barrier position from the structural information corresponding to the target coal mine, and counting the wireless power supply transmission blocking loss degree of the target coal mine。
Extracting coal dust concentration, gas concentration, ground water level height and ground water level conductivity from environmental information in each coal mine area of a target coal mine, and counting wireless power supply transmission scattering loss degree of the target coal mine。
Statistics of wireless power supply transmission loss degree of target coal mine，E is a natural constant，For the set reference normal loss level +.>And the wireless power supply transmission blocking loss and the wireless power supply transmission scattering loss are respectively set as references.
Preferably, the statistics of the wireless power supply transmission blocking loss degree of the target coal mine comprises: the number of mine tunnel bending positions and the number of mine tunnel barriers of the target coal mine are respectively recorded asAnd->。
The bending angles corresponding to each bending position of the mine tunnel and the obstacle volumes of each obstacle are respectively recorded asAnd->I represents the number of the bending part, < > and>j represents the obstacle number, < > and>。
the corresponding bending angles of each bending position and the set reference loss are interfered to the bending anglesIn contrast, the statistics are less thanThe number of bending parts is marked as the number of interference bending parts and is marked as +.>。
Interfering the obstacle volume at each obstacle with the set reference lossIn contrast, statistics are greater than +.>The number of the obstacle is marked as the number of the interference obstacle, and is marked as +.>。
Statistics of wireless power supply transmission blocking loss degree of target coal mine，，、The number of bending positions and the number of barrier positions are respectively.
Preferably, the statistics of the wireless power supply transmission scattering loss degree of the target coal mine comprises: the concentration of coal dust and the concentration of gas in each coal mine area are respectively recorded asAnd->D represents the coal mine area number, < > and->Statistics of gas wireless power supply transmission scattering loss degree of target coal mine>，,、The reference coal dust concentration and the reference gas concentration are respectively set, u represents the number of coal mine areas and +.>And transmitting the scattering correction factor for the set gas wireless power supply.
And constructing a ground water level height change curve by taking ground water level height as an ordinate and taking a coal mine area as an abscissa, and constructing a reference line in the ground water level height change curve according to a set reference ground water level.
The total length of the change curve section above the reference line is positioned from the change curve of the change height of the underground water level, and the number of the fluctuation points of the change curve of the change height of the underground water level is extracted and respectively recorded asAnd->。
The conductivity of the ground water level in each coal mine area is recorded asCounting water wireless power supply transmission scattering loss degree of target coal mine>，，Is the length of the underground water level height change curve, +.>、、The length ratio of the upper curve, the number of the fluctuation points and the conductivity of the reference ground water level are respectively set as references.
Statistics of wireless power supply transmission scattering loss degree of target coal mine，，、And respectively evaluating the duty ratio weight for the set wireless power supply transmission scattering loss of the gas and the corresponding wireless power supply transmission environment loss of the wireless power supply transmission scattering loss of the water body.
Preferably, the analyzing the interference degree of wireless power supply transmission of the target coal mine comprises: extracting the number of the laid metal brackets from the corresponding structural information of the target coal mineAnd the number of the bending parts of the mine tunnel->Auxiliary coal mining equipment number for simultaneously extracting target coal mine>Counting interference degree of wireless power supply transmission of corresponding structure of target coal mine>，，、The number of bending positions and the number of devices are respectively referred to,the concentration is distributed for the set reference metal.
And extracting electromagnetic noise values, temperature and humidity from the environmental information in the corresponding coal mine areas of the target coal mine.
Extracting the highest temperature and the lowest temperature from the temperatures in each coal mine area, respectivelyAnd->。
Comparing the humidity of each coal mine area with the set reference suitable wireless power supply transmission humidity, and counting the number of the coal mine areas with the humidity larger than the suitable wireless power supply transmission humidityMeanwhile, the humidity of each coal mine area corresponding to the humidity which is larger than the suitable wireless power transmission humidity is subjected to average calculation to obtain average humidity which is recorded as +.>。
Comparing the electromagnetic noise value of each coal mine area with the electromagnetic noise value of the set reference suitable wireless power transmission, and counting the number of the coal mine areas which are larger than the electromagnetic noise value suitable for wireless power transmissionSimultaneously extracting maximum value from electromagnetic noise value of each coal mine area, and recording as +.>Statistics target coal mine corresponding environment wireless power supplyTransmission interference level。
Statistics of interference degree of wireless power supply transmission of target coal mine，,、And respectively setting the interference degree of the wireless power supply transmission of the structure and the interference degree of the wireless power supply transmission of the environment of the reference.
Preferably, the specific statistical formula of the wireless power supply transmission interference degree of the corresponding environment of the target coal mine is:，、、and the temperature wireless power supply transmission interference degree, the humidity wireless power supply transmission interference degree and the electromagnetic wireless power supply transmission interference degree corresponding to the target coal mine are respectively obtained.、、The temperature wireless power supply transmission interference degree and the humidity wireless power supply transmission interference degree which are set as references and the electromagnetic wireless power supply transmissionInterference degree.
Wherein,，，wherein->、、Respectively setting the temperature difference of the reference, the maximum allowable wireless power transmission temperature and the minimum allowable wireless power transmission temperature,/->、The set reference is the number of coal mine areas exceeding the humidity and suitable for wireless power supply and transmission of humidity, and the set reference is the set reference>、And the set reference number of coal mine areas exceeding the electromagnetic noise is respectively set, and the wireless power supply transmission is suitable for carrying the electromagnetic noise value.
Preferably, the analyzing the trend of the power supply demand corresponding to the target coal mine includes: comparing the planned operation time periods of the current tunneling coal mining equipment and the auxiliary coal mining equipment of the target coal mine, confirming the number of the auxiliary coal mining equipment which operates simultaneously with the current tunneling coal mining equipment, taking the number as the number of the power consumption interference equipment, and recording as the number of the power consumption interference equipmentExtracting the operating power and service life of each electric interference device, which are respectively marked as +.>And->R represents the number of the power consumption interference device, +.>。
The running power, the service life and the planned tunneling distance of the current tunneling coal mining equipment are respectively recorded as、Andthe hardness, density and number of broken parts of the wall surface of the planned tunneling are respectively recorded as +.>、And->Counting tendency of tunneling difficulty corresponding to tunneling coal mining equipment>。
Statistics of trend of corresponding power supply requirements of target coal mine，，、、、The number of the power consumption interference devices, the normal operation power value, the normal operation time limit and the normal operation difficulty trend of the set reference are respectively set.
Preferably, the specific statistical formula of the tunneling difficulty trend corresponding to the tunneling coal mining equipment is as follows:,、、、the tunneling distance, the wall hardness, the wall density, the number of breaks and +.>The set disturbance service life of the tunneling equipment is set.
Preferably, the wireless transmission power supply scheme for identifying the target coal mine comprises the following steps: extracting the current planned wireless power supply from the coal mining operation information base, and recording the current planned wireless power supply as。
Counting the adaptive wireless power supply power of the target coal mine, and recording as，，、Respectively setting each power supply evaluation condition,representation of、And is also provided withIt is true that the method is that,representation ofOr alternativelyOr alternativelyIt is true that the method is that,indicating that the set reference permits the increase of the power supply,for the power to be increased by the evaluation factor,，、、the wireless power supply transmission loss, the wireless power supply transmission interference and the power supply demand trend of the set reference are respectively.
And taking the adaptive wireless power supply power of the target coal mine as a wireless transmission power supply scheme thereof.
Compared with the prior art, the invention has the following beneficial effects: (1) According to the wireless power supply transmission loss degree and wireless power supply transmission interference degree analysis are carried out according to the structural information of the mine, the equipment operation information and the mine environment information, and meanwhile, the power supply demand trend analysis is carried out, so that the wireless transmission power supply scheme is confirmed, the defects of the current wireless remote power supply mode are effectively overcome, the reliability of the wireless remote power supply is guaranteed, a good power supply environment is further provided for the development of subsequent coal mining operation, frequent power supply interruption and frequent voltage fluctuation are reduced to a certain extent, the interruption of the coal mining operation is avoided, and the fault probability and accident risk of the coal mining equipment are also reduced.
(2) According to the wireless power supply system, the transmission blocking loss and the transmission scattering loss are analyzed from the wireless power supply transmission distance, the coal mine topography characteristic, the obstacle condition, the coal dust condition and the gas condition in the environment and the underground water condition, so that the wireless power supply transmission loss degree is analyzed, the multidimensional fine analysis of the power supply loss is realized, the loss state of the wireless power supply is intuitively displayed, the reliable reference basis is provided for the determination of the subsequent wireless transmission power supply scheme, the stability of the subsequent wireless power supply is fully considered and ensured, the subsequent maintenance cost and the safety risk are also reduced, and the operation safety of the subsequent coal mining workers is further ensured.
(3) According to the invention, structural transmission interference and environmental transmission interference analysis are carried out according to the arrangement condition of the metal support of the coal mine, the equipment condition, the topographic features of the coal mine, the temperature and humidity in the environment, the noise condition and the like, so that the wireless power supply transmission interference degree is realized, the deep interference analysis of underground coal mining environment, coal mining equipment condition and the like is realized, the defect of insufficient consideration of the wireless power supply feasibility is effectively avoided, the potential safety hazard of subsequent operation is effectively avoided, the safety manager of the subsequent coal mine operation is facilitated to find and solve the power supply interference problem in time, the feasibility of the subsequent power supply scheme is ensured, and the smoothness, the persistence and the stability of the subsequent coal mining operation of the coal mine are improved.
(4) According to the invention, the planned operation time periods of the current tunneling coal mining equipment and the auxiliary coal mining equipment are analyzed, the power consumption interference equipment information is confirmed, meanwhile, the tunneling difficulty and the service life of the corresponding tunneling wall surface of the current tunneling coal mining equipment are combined to carry out power supply requirement trend, the wireless power supply requirement state of a coal mine is intuitively displayed, the problem that the current wireless power supply requirement situation is not considered sufficiently is effectively solved, the comprehensive analysis of coal mining operation and equipment operation power of the coal mine is realized, the reference of the power supply requirement of the underground tunneling coal mining equipment is obviously improved, the adaptability of the power supply mode confirmation is further ensured, and powerful guarantee is provided for the power consumption requirement of the subsequent normal coal mining operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the connection of the modules of the system 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 invention provides a remote power supply analysis management system for underground tunneling coal mining equipment, which comprises: the system comprises a mine structure information extraction module, an equipment operation information extraction module, a mine environment information monitoring module, a power supply transmission loss interference analysis module, a coal mining operation information base, an equipment power supply demand analysis and confirmation module and an equipment power supply scheme feedback terminal.
The power supply transmission loss interference analysis module is respectively connected with the mine structure information extraction module, the equipment operation information extraction module, the mine environment information monitoring module, the coal mining operation information base and the equipment power supply demand analysis and confirmation module, and the equipment power supply demand analysis and confirmation module is respectively connected with the power supply transmission loss interference analysis module, the coal mining operation information base and the equipment power supply scheme feedback terminal.
The mine structure information extraction module is used for extracting a mine structure corresponding to a target coal mine and positioning structure information from the mine structure.
Specifically, the structural information comprises the number of laid metal supports, the length of mine roadways, the depth of mines, the number of mine roadway bending positions, the bending angles corresponding to the bending positions of mine roadways, the number of mine roadway barrier positions and the barrier volumes of the barrier positions.
The equipment operation information extraction module is used for extracting the number of auxiliary coal mining equipment corresponding to the target coal mine, the planned operation time period, the service life and the operation power of each auxiliary coal mining equipment, and extracting the service life, the operation power, the planned operation time period, the planned tunneling distance, the hardness, the density and the number of broken positions of the planned tunneling wall surface of the current tunneling coal mining equipment.
The mine environment information monitoring module is used for dividing a target coal mine into coal mine areas and monitoring current environment information in the coal mine areas.
Specifically, the environmental information includes electromagnetic noise value, temperature, humidity, coal dust concentration, gas concentration, ground water level height, and ground water level conductivity.
In a specific embodiment, the electromagnetic noise value is monitored by a magnetic field detector, the temperature is monitored by a temperature sensor, the humidity is monitored by a humidity sensor, the concentration of coal dust is monitored by a laser particle counter, the concentration of gas is monitored by a gas detector, and the underground water level height and the underground water level conductivity are respectively and correspondingly monitored by an underground water level gauge and a conductivity gauge.
The power supply transmission loss interference analysis module is used for analyzing the wireless power supply transmission loss degree of the target coal mine and the wireless power supply transmission interference degree of the target coal mine according to the structural information and the environmental information of the target coal mine, and respectively recording asAnd->。
Illustratively, analyzing the wireless power transmission loss of the target coal mine comprises: a1, extracting the mine tunnel length and the mine depth from the structural information corresponding to the target coal mine, and simultaneously extracting the planned tunneling distance of the current tunneling coal mining equipment.
A2, taking the sum of the mine tunnel length, the mine depth and the planned tunneling distance as the corresponding wireless power supply transmission distance of the target coal mine, and recording as。
A3, extracting the reference loss electric quantity corresponding to the unit wireless power supply transmission distance from the coal mining operation information base, and recording the reference loss electric quantity as。
A4, extracting the number of mine tunnel bending positions, the bending angles corresponding to each bending position of the mine tunnel, the number of mine tunnel barriers and the barrier volumes of each barrier position from the structural information corresponding to the target coal mine, and counting the wireless power supply transmission blocking loss degree of the target coal mine。
Understandably, the systemThe wireless power supply transmission separation loss degree of the target coal mine is calculated, and the method comprises the following steps: a4-1, respectively recording the number of mine tunnel bending positions and the number of mine tunnel barriers of the target coal mine asAnd->。
A4-2, respectively marking the corresponding bending angles of each bending position of the mine tunnel and the obstacle volumes of each obstacle position asAndi represents the number of the bending part, < > and>j represents the obstacle number, < > and>。
a4-3, interfering the bending angles corresponding to the bending positions with the set reference lossIn contrast, statistics are less than +.>The number of bending parts is marked as the number of interference bending parts and is marked as +.>。
A4-4, interfering the obstacle volume at each obstacle with the set reference lossIn contrast, statistics are greater than +.>Record the number of obstacle positionsThe number of disturbance points is marked as +.>。
A4-5, counting wireless power supply transmission blocking loss degree of target coal mine，，、The number of bending positions and the number of barrier positions are respectively.
In a specific embodiment, both the obstacle and the bending position can block the transmission of the wireless power supply signal, and can absorb, scatter or block the transmission of the wireless power supply signal, when the obstacle is larger and the bending angle of the bending position is smaller, that is, the bending degree is larger, the transmission of the wireless power supply signal is blocked more, and further the transmission loss is larger.
A5, extracting coal dust concentration, gas concentration, ground water level height and ground water level conductivity from environmental information in each coal mine area of the target coal mine, and counting wireless power supply transmission scattering loss of the target coal mine。
Understandably, the statistics of wireless power transmission scattering loss of the target coal mine include: a5-1, respectively marking the concentration of coal dust and the concentration of gas in each coal mine area asAnd->D represents the coal mine area number, < > and->Statistics of gas wireless power supply transmission scattering loss degree of target coal mine>，,、The reference coal dust concentration and the reference gas concentration are respectively set, u represents the number of coal mine areas and +.>And transmitting the scattering correction factor for the set gas wireless power supply.
A5-2, constructing an underground water level height change curve by taking the underground water level height as an ordinate and taking a coal mine area as an abscissa, and constructing a reference line in the underground water level height change curve according to a set reference underground water level.
A5-3, locating the total length of the change curve section above the reference line from the change curve of the change height of the underground water level, extracting the number of the fluctuation points of the change curve of the change height of the underground water level, and respectively recording asAnd->。
In a specific embodiment, the fluctuation point refers to a point with opposite directions of the left-right curve change, namely a point with left rising right falling or left falling right rising.
A5-4, recording the conductivity of the underground water level in each coal mine area asStatistics of water wireless power supply transmission scattering of target coal mineLoss degree->，，Is the length of the underground water level height change curve, +.>、、The length ratio of the upper curve, the number of the fluctuation points and the conductivity of the reference ground water level are respectively set as references.
A5-5, counting wireless power supply transmission scattering loss degree of target coal mine，，、And respectively evaluating the duty ratio weight for the set wireless power supply transmission scattering loss of the gas and the corresponding wireless power supply transmission environment loss of the wireless power supply transmission scattering loss of the water body.
In one embodiment, high concentration coal dust and gas can absorb, scatter or block the propagation of wireless signals, which results in aggravated signal attenuation, further hinders wireless power transmission, increases transmission loss, and simultaneously the coal dust and gas may generate electromagnetic interference signals, thereby interfering with the normal operation of wireless power supply. These interfering signals may collide with the desired wireless power supply signal such that the loss of the wireless power supply signal increases and the presence of groundwater absorbs and scatters the wireless signal, and high groundwater level and high conductivity may result in increased attenuation of the signal during transmission.
A6, counting wireless power supply transmission loss degree of target coal mine，E is a natural constant, < >>For the set reference normal loss level +.>、And the wireless power supply transmission blocking loss and the wireless power supply transmission scattering loss are respectively set as references.
According to the embodiment of the invention, the transmission blocking loss and the transmission scattering loss are analyzed from the wireless power supply transmission distance, the topography characteristic of a coal mine well, the obstacle condition, the coal dust condition and the gas condition in the environment and the underground water condition, so that the wireless power supply transmission loss degree is analyzed, the multidimensional fine analysis of the power supply loss is realized, the loss state of the wireless power supply is intuitively displayed, the reliable reference basis is provided for the determination of the subsequent wireless power supply transmission scheme, the stability of the subsequent wireless power supply is fully considered and ensured, the subsequent maintenance cost and the safety risk are also reduced, and the operation safety of subsequent coal mining workers is further ensured.
Still another exemplary, analyzing a wireless power transmission interference level of a target coal mine includes: b1, extracting the number of the metal supports from the structural information corresponding to the target coal mineAnd the number of the bending parts of the mine tunnel->Auxiliary coal mining equipment number for simultaneously extracting target coal mine>Counting interference degree of wireless power supply transmission of corresponding structure of target coal mine>，，、The number of bending positions, the number of devices, respectively, of references, < >>The concentration is distributed for the set reference metal.
In one embodiment, the more bends, the more devices and the more metal brackets are deployed, the more interference is placed on the wireless power transfer.
And B2, extracting electromagnetic noise values, temperature and humidity from the environmental information in the coal mine areas corresponding to the target coal mine.
B3, extracting the highest temperature and the lowest temperature from the temperatures in each coal mine area, respectively recorded asAnd->。
B4, comparing the humidity of each coal mine area with the set reference suitable wireless power supply transmission humidity, and counting the number of the coal mine areas which are larger than the suitable wireless power supply transmission humidityAt the same time will be greater than the suitable wireless power supply to transmit humidityThe average value of the humidity corresponding to each coal mine area is calculated to obtain the average humidity, which is recorded as +.>。
B5, comparing the electromagnetic noise value of each coal mine area with the electromagnetic noise value set suitable for wireless power supply transmission, and counting the number of the coal mine areas which are larger than the set reference wireless power supply transmission bearing electromagnetic noise valueSimultaneously extracting maximum value from electromagnetic noise value of each coal mine area, and recording as +.>Counting interference degree of wireless power supply transmission of corresponding environment of target coal mine>。
Understandably, a specific statistical formula of the wireless power supply transmission interference degree of the corresponding environment of the target coal mine is as follows:，、、and the temperature wireless power supply transmission interference degree, the humidity wireless power supply transmission interference degree and the electromagnetic wireless power supply transmission interference degree corresponding to the target coal mine are respectively obtained.、、The interference degree of temperature wireless power supply transmission, the interference degree of humidity wireless power supply transmission and the interference degree of electromagnetic wireless power supply transmission which are set as references are respectively +.>Is indicated at->、Andand takes the maximum value.
Wherein,，，wherein->、、Respectively setting the temperature difference of the reference, the maximum allowable wireless power transmission temperature and the minimum allowable wireless power transmission temperature,/->、The set reference is the number of coal mine areas exceeding the humidity and suitable for wireless power supply and transmission of humidity, and the set reference is the set reference>、And the set reference number of coal mine areas exceeding the electromagnetic noise is respectively set, and the wireless power supply transmission is suitable for carrying the electromagnetic noise value.
In one embodiment, the high temperature environment may cause the temperature of the electronic component to rise, possibly causing thermal expansion, electromigration, or damage to the component. This may affect power output, frequency stability, and execution speed of the wireless power supply device. On the other hand, a low temperature environment may cause performance degradation of electronic components, such as an increase in resistance of certain components, resulting in signal loss and degradation of transmission quality, and electromagnetic noise may interfere with reception and transmission of signals by the wireless power supply system, resulting in degradation of signal quality.
B6, counting the interference degree of wireless power supply transmission of the target coal mine，,、And respectively setting the interference degree of the wireless power supply transmission of the structure and the interference degree of the wireless power supply transmission of the environment of the reference.
According to the embodiment of the invention, the structural transmission interference and the environmental transmission interference analysis are carried out according to the arrangement condition, the equipment condition, the topographic characteristics of the coal mine, the temperature and humidity in the environment, the noise condition and the like of the metal support of the coal mine, so that the wireless power supply transmission interference degree is further realized, the deep interference analysis of underground coal mining environment, coal mining equipment condition and the like is realized, the defect of insufficient consideration of the current wireless power supply feasibility is effectively avoided, the potential safety hazard of subsequent operation is further effectively avoided, the safety manager of the subsequent coal mine operation can find and solve the power supply interference problem in time, the feasibility of the subsequent power supply scheme is ensured, and the smoothness, the persistence and the stability of the subsequent coal mining operation of the coal mine are improved.
The coal mining operation information base is used for storing reference loss electric quantity corresponding to the unit wireless power supply transmission distance and the current planned wireless power supply power.
The equipment power supply demand analysis and confirmation module is used for analyzing the trend degree of the corresponding power supply demand of the target coal mineAnd confirming the wireless transmission power supply scheme of the target coal mine.
Illustratively, analyzing the corresponding power demand tendencies of the target coal mine includes: f1, comparing the current tunneling coal mining equipment of the target coal mine with the planned operation time periods of all auxiliary coal mining equipment, confirming the number of the auxiliary coal mining equipment which operates simultaneously with the current tunneling coal mining equipment, taking the number as the number of the power consumption interference equipment, and recording as the number of the power consumption interference equipmentExtracting the operating power and service life of each electric interference device, which are respectively marked as +.>And->R represents the number of the power consumption interference device, +.>。
The auxiliary coal mining equipment for simultaneous operation refers to auxiliary coal mining equipment with the overlap ratio of more than seventy percent with the operation time period of tunneling coal mining equipment.
F2, respectively recording the running power, the service life and the planned tunneling distance of the current tunneling coal mining equipment as、And->The hardness, density and number of broken parts of the wall surface of the planned tunneling are respectively recorded as +.>、And->Counting tendency of tunneling difficulty corresponding to tunneling coal mining equipment>。/>
Understandably, the specific statistical formula of the tunneling difficulty trend corresponding to the tunneling coal mining equipment is as follows:,、、、the tunneling distance, the wall hardness, the wall density, the number of breaks and +.>The set disturbance service life of the tunneling equipment is set.
F3, counting trend of power supply requirements corresponding to target coal mine，，、、、The number of the power consumption interference devices, the normal operation power value, the normal operation time limit and the normal operation difficulty trend of the set reference are respectively set.
According to the embodiment of the invention, the planned operation time periods of the current tunneling coal mining equipment and the auxiliary coal mining equipment are analyzed, the power consumption interference equipment information is confirmed, meanwhile, the tunneling difficulty and the service life of the corresponding tunneling wall surface of the current tunneling coal mining equipment are combined to carry out power supply requirement trend, the wireless power supply requirement state of a coal mine is intuitively displayed, the problem that the current wireless power supply requirement situation is not considered sufficiently is effectively solved, the comprehensive analysis of coal mining operation of a coal mine and the operation power of the equipment is realized, the reference of the power supply requirement of the underground tunneling coal mining equipment is obviously improved, the suitability of the power supply mode confirmation is further ensured, and powerful guarantee is provided for the power consumption requirement of the subsequent normal coal mining operation.
Still another exemplary embodiment of the present invention provides a method for identifying a wireless transmission power scheme for a target coal mine, comprising: extracting the current planned wireless power supply from the coal mining operation information base, and recording the current planned wireless power supply as。
Counting the adaptive wireless power supply power of the target coal mine, and recording as，，、Respectively setting power supply evaluation conditions +.>Representation->、And->Is true of (I)>Representation->Or alternativelyOr->Is true of (I)>Indicating that the set reference permission increases the power supply, +.>For the power to be increased by the evaluation factor,，、、the wireless power supply transmission loss, the wireless power supply transmission interference and the power supply demand trend of the set reference are respectively.
And taking the adaptive wireless power supply power of the target coal mine as a wireless transmission power supply scheme thereof.
According to the embodiment of the invention, the wireless power supply transmission loss degree and the wireless power supply transmission interference degree are analyzed according to the structural information of the mine, the equipment operation information and the mine environment information, and meanwhile, the power supply demand trend degree is analyzed, so that the wireless transmission power supply scheme is confirmed, the defects of the current wireless remote power supply mode are effectively overcome, the reliability of the wireless remote power supply is ensured, a good power supply environment is further provided for the development of the subsequent coal mining operation, frequent power supply interruption and frequent voltage fluctuation are reduced to a certain extent, the interruption of the coal mining operation is avoided, and the fault probability and the accident risk of the coal mining equipment are also reduced.
The equipment power supply scheme feedback terminal is used for feeding back the wireless transmission power supply scheme of the target coal mine shaft to the corresponding power supply manager of the target coal mine shaft.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (3)
1. A remote power supply analysis management system of underground coal mine tunneling coal mining equipment is characterized in that: the system comprises:
the mine structure information extraction module is used for extracting a mine structure corresponding to a target coal mine and positioning structure information from the mine structure;
the equipment operation information extraction module is used for extracting the number of auxiliary coal mining equipment corresponding to the target coal mine, the planned operation time period, the service life and the operation power of each auxiliary coal mining equipment, and extracting the service life, the operation power, the planned operation time period, the planned tunneling distance, the hardness, the density and the number of broken positions of the planned tunneling wall surface of the current tunneling coal mining equipment;
the mine environment information monitoring module is used for dividing a target coal mine into coal mine areas and monitoring current environment information in the coal mine areas;
the power supply transmission loss interference analysis module is used for analyzing the wireless power supply transmission loss degree of the target coal mine and the wireless power supply transmission interference degree of the target coal mine according to the structural information and the environmental information of the target coal mine, and respectively recording asAnd->；
The coal mining operation information base is used for storing reference loss electric quantity corresponding to the unit wireless power supply transmission distance and the current planned wireless power supply power;
the equipment power supply demand analysis and confirmation module is used for analyzing the trend degree of the corresponding power supply demand of the target coal mineAnd confirming a wireless transmission power supply scheme of the target coal mine;
the equipment power supply scheme feedback terminal is used for feeding back the wireless transmission power supply scheme of the target coal mine to the corresponding power supply manager of the target coal mine;
the wireless power supply transmission loss degree of the analysis target coal mine comprises the following steps:
extracting the mine tunnel length and the mine depth from the structural information corresponding to the target coal mine, and extracting the planned tunneling distance of the current tunneling coal mining equipment;
taking the sum of the mine tunnel length, the mine depth and the planned tunneling distance as the corresponding wireless power supply transmission distance of the target coal mine, and marking as；
Extracting the reference loss electric quantity corresponding to the unit wireless power supply transmission distance from the coal mining operation information base, and recording the reference loss electric quantity as；
Extracting the number of mine tunnel bending positions, the bending angles corresponding to each mine tunnel bending position, the number of mine tunnel barrier positions and the barrier volumes of each barrier position from the structural information corresponding to the target coal mine, and counting the wireless power supply transmission blocking loss degree of the target coal mine；
Extracting coal dust concentration, gas concentration, ground water level height and ground water level conductivity from environmental information in each coal mine area of a target coal mine, and counting wireless power supply transmission scattering loss degree of the target coal mine；
Statistics of wireless power supply transmission loss degree of target coal mine，E is a natural constant, < >>For the set reference normal loss level +.>The wireless power supply transmission blocking loss degree and the wireless power supply transmission scattering loss degree of the set reference are respectively set;
the wireless power supply transmission blocking loss degree of the statistical target coal mine comprises the following steps:
respectively recording the number of mine tunnel bending positions and the number of mine tunnel barriers of a target coal mineIs thatAnd->；
The bending angles corresponding to each bending position of the mine tunnel and the obstacle volumes of each obstacle are respectively recorded asAnd->I represents the number of the bending part, < > and>j represents the obstacle number, < > and>；
the corresponding bending angles of each bending position and the set reference loss are interfered to the bending anglesIn contrast, statistics are less than +.>The number of bending parts is marked as the number of interference bending parts and is marked as +.>；
Interfering the obstacle volume at each obstacle with the set reference lossIn contrast, statistics are greater than +.>Is recorded as the number of interference positionsIs marked as->；
Statistics of wireless power supply transmission blocking loss degree of target coal mine，，The number of the bending positions and the number of the barrier positions are respectively;
the wireless power supply transmission scattering loss degree of the statistical target coal mine comprises the following steps:
the concentration of coal dust and the concentration of gas in each coal mine area are respectively recorded asAnd->D represents the coal mine area number,statistics of gas wireless power supply transmission scattering loss degree of target coal mine>，,The reference coal dust concentration and the reference gas concentration are respectively set, u represents the number of coal mine areas and +.>Transmitting a scattering correction factor for the set gas wireless power supply;
constructing an underground water level height change curve by taking the underground water level height as an ordinate and taking a coal mine area as an abscissa, and constructing a reference line in the underground water level height change curve according to a set reference underground water level;
the total length of the change curve section above the reference line is positioned from the change curve of the change height of the underground water level, and the number of the fluctuation points of the change curve of the change height of the underground water level is extracted and respectively recorded asAnd->；
The conductivity of the ground water level in each coal mine area is recorded asCounting water wireless power supply transmission scattering loss degree of target coal mine>，，Is the length of the underground water level height change curve, +.>Setting the length ratio of the upper curve, the number of the fluctuation points and the conductivity of the reference underground water level of the reference;
statistics of wireless power supply transmission scattering loss degree of target coal mine，，The method comprises the steps of respectively evaluating the duty ratio weight of the set wireless power supply transmission scattering loss of the gas and the corresponding wireless power supply transmission environment loss of the wireless power supply transmission scattering loss of the water body;
the wireless power supply transmission interference degree of the analysis target coal mine comprises the following steps:
extracting the number of the laid metal brackets from the corresponding structural information of the target coal mineAnd the number of the bending positions of the mine roadwayAuxiliary coal mining equipment number for simultaneously extracting target coal mine>Counting interference degree of wireless power supply transmission of corresponding structure of target coal mine>，，The number of bending positions, the number of devices, respectively, of references, < >>The distribution density of the set reference metal is set;
extracting electromagnetic noise values, temperature and humidity from environmental information in each coal mine area corresponding to a target coal mine;
extracting the highest temperature and the lowest temperature from the temperatures in each coal mine area, respectivelyAnd->；
Comparing the humidity of each coal mine area with the set reference suitable wireless power supply transmission humidity, and counting the number of the coal mine areas with the humidity larger than the suitable wireless power supply transmission humidityMeanwhile, the humidity of each coal mine area corresponding to the humidity which is larger than the suitable wireless power transmission humidity is subjected to average calculation to obtain average humidity which is recorded as +.>；
Comparing the electromagnetic noise value of each coal mine area with the electromagnetic noise value of the set reference suitable wireless power transmission, and counting the number of the coal mine areas which are larger than the electromagnetic noise value suitable for wireless power transmissionSimultaneously extracting maximum value from electromagnetic noise value of each coal mine area, and recording as +.>Counting interference degree of wireless power supply transmission of corresponding environment of target coal mine>；
Statistics of interference degree of wireless power supply transmission of target coal mine，,The interference degree of the wireless power supply transmission of the structure and the interference degree of the wireless power supply transmission of the environment are respectively set as references;
the specific statistical formula of the wireless power supply transmission interference degree of the corresponding environment of the target coal mine is as follows:，、、the temperature wireless power supply transmission interference degree and the humidity wireless power supply transmission interference degree corresponding to the target coal mine and the electromagnetic wireless power supply transmission interference degree are respectively adopted;、、The temperature wireless power supply transmission interference degree and the humidity wireless power supply transmission interference degree which are set as references are respectively the electromagnetic wireless power supply transmission interference degree;
wherein,，，wherein->、、Respectively setting the temperature difference of the reference, the maximum allowable wireless power transmission temperature and the minimum allowable wireless power transmission temperature,/->、The set reference is the number of coal mine areas exceeding the humidity and suitable for wireless power supply and transmission of humidity, and the set reference is the set reference>、The number of the coal mine areas exceeding the electromagnetic noise is set as a reference, and the coal mine areas are suitable for wireless power supply transmission to bear electromagnetic noise values;
the analysis of the trend of the corresponding power supply requirement of the target coal mine comprises the following steps:
comparing the planned operation time periods of the current tunneling coal mining equipment and the auxiliary coal mining equipment of the target coal mine, confirming the number of the auxiliary coal mining equipment which operates simultaneously with the current tunneling coal mining equipment, taking the number as the number of the power consumption interference equipment, and recording as the number of the power consumption interference equipmentExtracting the operating power and service life of each electric interference device, which are respectively marked as +.>And->R represents the braiding of the power consumption interference equipmentNumber (1)/(2)>；
The running power, the service life and the planned tunneling distance of the current tunneling coal mining equipment are respectively recorded as、And->The hardness, density and number of broken parts of the wall surface of the planned tunneling are respectively recorded as +.>、And->Counting tendency of tunneling difficulty corresponding to tunneling coal mining equipment>；
Statistics of trend of corresponding power supply requirements of target coal mine，，、、、The number of the power consumption interference devices, the conventional operation power value, the conventional operation life and the conventional operation difficulty trend which are set as references are respectively set;
the specific statistical formula of the tunneling difficulty trend corresponding to the tunneling coal mining equipment is as follows:,、、、the tunneling distance, the wall hardness, the wall density, the number of breaks and +.>The set disturbance service life of the tunneling equipment is set.
2. The remote power supply analysis management system for underground coal mine tunneling coal mining equipment according to claim 1, wherein the remote power supply analysis management system comprises the following components: the structure information comprises the number of metal supports, the length of mine roadways, the depth of the mine, the number of mine roadways bending positions, the bending angles corresponding to each bending position of the mine roadways, the number of mine roadway barrier positions and the barrier volumes of each barrier position;
the environmental information includes electromagnetic noise value, temperature, humidity, coal dust concentration, gas concentration, ground water level height and ground water level conductivity.
3. The remote power supply analysis management system for underground coal mine tunneling coal mining equipment according to claim 1, wherein the remote power supply analysis management system comprises the following components: the wireless transmission power supply scheme for the confirmation target coal mine comprises the following steps:
extracting the current planned wireless power supply from the coal mining operation information base, and recording the current planned wireless power supply as；
Counting the adaptive wireless power supply power of the target coal mine, and recording as，，、Respectively setting power supply evaluation conditions +.>Representation->、And->Is true of (I)>Representation->Or alternativelyOr->Is true of (I)>Indicating that the set reference permission increases the power supply, +.>For the power to be increased by the evaluation factor,，、the wireless power supply transmission loss, the wireless power supply transmission interference and the power supply demand trend of the set reference are respectively set;
and taking the adaptive wireless power supply power of the target coal mine as a wireless transmission power supply scheme thereof.
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