CN113421414B - Holographic electromagnetic ore body exploration method and system by utilizing wide-area electromagnetic method - Google Patents

Holographic electromagnetic ore body exploration method and system by utilizing wide-area electromagnetic method Download PDF

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CN113421414B
CN113421414B CN202110693841.5A CN202110693841A CN113421414B CN 113421414 B CN113421414 B CN 113421414B CN 202110693841 A CN202110693841 A CN 202110693841A CN 113421414 B CN113421414 B CN 113421414B
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area electromagnetic
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CN113421414A (en
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牛峥
徐坤
秦长春
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Shaanxi Geology And Minerals Second Comprehensive Geophysical Exploration Brigade Co ltd
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Shaanxi Geology And Minerals Second Comprehensive Geophysical Exploration Brigade Co ltd
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/10—Integrity
    • H04W12/106—Packet or message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
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    • H04W84/12—WLAN [Wireless Local Area Networks]
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/40—Remote control systems using repeaters, converters, gateways
    • G08C2201/42—Transmitting or receiving remote control signals via a network
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/90—Additional features
    • G08C2201/93—Remote control using other portable devices, e.g. mobile phone, PDA, laptop
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

The application discloses a holographic electromagnetic ore body exploration method and a system using a wide-area electromagnetic method, which relate to the technical field of ore body exploration and comprise the following steps of arranging a plurality of groups of wide-area electromagnetic transmitters and a plurality of groups of wide-area electromagnetic receivers in a predetermined exploration ore area range; simultaneously sending command data packets to all the wide area electromagnetic transmitters through the control center; all the wide area electromagnetic transmitters receive the instruction data packets and perform mutual detection on the instruction data packets; according to the exploration instruction, each group of wide-area electromagnetic transmitters simultaneously transmits exploration signal waves to an exploration mine area based on the coded data, and transmits signal wave acquisition instructions to all wide-area electromagnetic receivers; the wide-area electromagnetic receiver receives the signal wave acquisition command, acquires a plurality of groups of exploration signal waves from an exploration mining area, and screens the plurality of groups of exploration signal waves; and forming an electromagnetic holographic image of the exploration mining area based on the optimal signal wave, and analyzing, judging and delineating a target ore body based on the electromagnetic holographic image.

Description

Holographic electromagnetic ore body exploration method and system by utilizing wide-area electromagnetic method
Technical Field
The application relates to the technical field of ore body exploration, in particular to a holographic electromagnetic ore body exploration method and system by utilizing a wide-area electromagnetic method.
Background
The wide-area electromagnetic method is an artificial source frequency domain electromagnetic sounding method, is proposed compared with the traditional controllable source audio frequency magnetotelluric (CSAMT) method and the MELOS method, and inherits the advantages of the CSAMT method that an artificial field source is used to overcome field source randomness and also inherits the advantages of non-remote area measurement of the MELOS method.
The wide-area electromagnetic method adopted in the related technology generally includes that a wide-area electromagnetic transmitter is firstly arranged, a multi-frequency pseudo-random square wave signal is sent to the ground through the wide-area electromagnetic transmitter, a control center transmits an instruction through a mobile phone or an interphone when the wide-area electromagnetic transmitter works every time, and an operator of the wide-area electromagnetic transmitter sets frequency wave codes and frequency group codes in a pseudo-random multi-frequency wave controller according to the instruction to realize switching and transmitting of the pseudo-random square wave signal. And then the data are transmitted to wide-area electromagnetic receiver operators distributed at a plurality of measuring points through mobile phones or interphones, the receiver operators finish primary pseudo-random frequency group acquisition operation of the current station by operating wide-area electromagnetic receiver control software on a computer, and then the ore bodies in the mining area are identified through the analysis of the acquisition results.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the instructions received by the operator of the wide-area electromagnetic transmitter are transmitted by the control center through a mobile phone or an interphone, and after the wide-area electromagnetic transmitter transmits pseudorandom square wave signals, the operators of the wide-area electromagnetic receiver distributed at a plurality of measuring points need to be transmitted through the mobile phone or the interphone, but the operators often need to be carried out in mountainous areas in the actual exploration process, the mobile phone signals are very weak and difficult to transmit the instructions in time, and if the measuring points are distributed far and far, the instructions exceed the communication range of the interphone, and the interphone cannot be used for transmitting the instructions. Therefore, when exploration is carried out in mountainous areas with weak signals and far measuring points, besides the wide area electromagnetic transmitter, the wide area electromagnetic receiver and the control center, operators need to be configured, and a plurality of communication personnel also need to be configured, so that a large amount of manpower is consumed.
Disclosure of Invention
In order to overcome the defect that a large amount of manpower is consumed when exploration is carried out in mountainous areas with weak signals and far measuring points, the application provides a holographic electromagnetic ore body exploration method and system utilizing a wide-area electromagnetic method.
In a first aspect, the present application provides a method for exploring a holographic electromagnetic ore body by using a wide-area electromagnetic method, comprising the following specific steps:
arranging a plurality of groups of wide area electromagnetic transmitters and a plurality of groups of wide area electromagnetic receivers in a predetermined exploration mining area;
the control center simultaneously sends command data packets to all the wide area electromagnetic transmitters through the communication base station, wherein the command data packets comprise exploration commands and coded data;
all the wide area electromagnetic transmitters receive the instruction data packets, perform mutual detection on the instruction data packets, and process incomplete instruction data packets;
the wide area electromagnetic transmitters execute the exploration instructions, each group of wide area electromagnetic transmitters transmits exploration signal waves to the exploration mining area based on the coded data, and the communication base station transmits signal wave acquisition instructions to all wide area electromagnetic receivers;
the wide-area electromagnetic receiver receives the signal wave acquisition instruction, acquires a plurality of groups of exploration signal waves from the exploration mining area, and screens the plurality of groups of exploration signal waves to screen out the optimal signal waves;
collecting exploration data of the exploration mining area, constructing an electromagnetic holographic image of the exploration mining area based on the exploration data and the optimal signal wave, analyzing based on the electromagnetic holographic image, and delineating a target ore body in the exploration mining area.
By adopting the technical scheme, a plurality of groups of wide area electromagnetic transmitters and a plurality of groups of wide area electromagnetic receivers are arranged in an exploration mining area, a communication base station is set up to establish communication channels among the devices, and meanwhile, local area network communication connection is established among the plurality of groups of wide area electromagnetic transmitters. An operator can send command data packets containing exploration commands and coded data to all the wide area electromagnetic transmitters through the communication base station in the control center, and the possibility that the exploration process is influenced due to the faults of a single group of wide area electromagnetic transmitters or the wrong receiving of the command data packets can be reduced through the arrangement of a plurality of groups of wide area electromagnetic transmitters.
After receiving the instruction data packets, the multiple groups of wide area electromagnetic transmitters can mutually detect the instruction data packets, confirm the integrity of the instruction data packets, and correspondingly process the incomplete instruction data packets to complete the incomplete instruction data packets into complete instruction data packets, so that all the wide area electromagnetic transmitters can normally execute the exploration instructions in the instruction data packets to emit exploration signal waves. The wide area electromagnetic transmitter sends a signal wave acquisition instruction to the wide area electromagnetic receiver through the communication base station after transmitting the exploration signal waves, so that the wide area electromagnetic receiver is started and receives the exploration signal waves.
And finally, acquiring exploration data by using the exploration device, sending the exploration data to the control center through the communication base station, processing the exploration data and exploration signal waves by the control center, constructing an electromagnetic holographic image, and analyzing the electromagnetic holographic image to define a target ore body in the exploration ore area. In the whole exploration process, manual operation is basically needed only when equipment is arranged and command data packets are sent, and communication and data exchange among the equipment in the whole exploration process are guaranteed due to the arrangement of the communication base station, so that even if exploration is carried out in mountainous areas with weak signals and far measuring points, the exploration task can be completed only by consuming less manpower.
Optionally, the step of arranging a plurality of groups of wide-area electromagnetic transmitters and a plurality of groups of wide-area electromagnetic receivers in the predetermined exploration mine area comprises the following specific steps:
obtaining ore physical properties of the exploration mining area;
setting measuring points and pole arrangement polar distances of the exploration mining area based on the physical properties of the ore;
arranging a plurality of groups of wide area electromagnetic receivers based on the measuring points;
arranging a plurality of groups of wide area electromagnetic transmitters based on the pole arrangement distance, and establishing communication connection among all the wide area electromagnetic transmitters;
and checking the communication connection state among all the wide area electromagnetic transmitters, and carrying out communication maintenance on the wide area electromagnetic transmitters with failed communication.
By adopting the technical scheme, the ore physical properties of the exploration mining area are acquired, various parameters and parameter ranges of various parameters of different ores in the exploration mining area are known, and initial measuring points and pole arrangement polar distances can be set in the exploration mining area after analysis and calculation. Set up wide area electromagnetic receiver in every measurement point, can arrange multiunit wide area electromagnetic transmitter through the setting of cloth polar distance again to establish the LAN between multiunit wide area electromagnetic transmitter, make all wide area electromagnetic transmitter communicate communication channel each other, the communication connection state between all wide area electromagnetic transmitter is examined and repaired to the back intercommunication, overhauls the wide area electromagnetic transmitter that communication failed, can go on smoothly in order to ensure the process of examining each other the instruction data package.
Optionally, the checking the communication connection states of all the wide area electromagnetic transmitters, and performing communication overhaul on the wide area electromagnetic transmitter with failed communication includes the following specific steps:
selecting any one group of wide area electromagnetic transmitters to generate a check signal, and sending the check signal to all other wide area electromagnetic transmitters;
after each group of wide area electromagnetic transmitters receives the check signal, response signals are sent out of the wide area electromagnetic transmitters which send instructions;
and analyzing to obtain a wide area electromagnetic transmitter with failed communication based on the sending condition of the checking signal and the receiving condition of the response signal, and carrying out communication maintenance on the wide area electromagnetic transmitter with failed communication.
By adopting the technical scheme, after the local area networks among all the wide area electromagnetic transmitters are constructed, a group of wide area electromagnetic transmitters are selected optionally to generate a check signal, the check signal is sent to all other wide area electromagnetic transmitters through the local area networks, the other wide area electromagnetic transmitters respond a response signal after receiving the check signal, and if the wide area electromagnetic transmitters which successfully send the check signal receive the response signal, the corresponding wide area electromagnetic transmitters which send the response signal normally communicate; if the wide area electromagnetic transmitter which successfully sends out the verification signal does not receive the response signal, the corresponding wide area electromagnetic transmitter which does not send out the response signal fails in communication, and communication maintenance needs to be carried out in time at the moment.
Optionally, analyzing the sending condition of the calibration signal and the receiving condition of the response signal to obtain a wide area electromagnetic transmitter with failed communication, and performing communication maintenance on the wide area electromagnetic transmitter with failed communication includes the following specific steps:
counting the sending times of the wide area electromagnetic transmitter sending the checking signal and the receiving times of the response signal of the wide area electromagnetic transmitter sending the checking signal;
comparing the consistency of the sending times and the receiving times;
if the sending times are the same as the receiving times, the corresponding wide area electromagnetic transmitters are successfully communicated with all the wide area electromagnetic transmitters connected with the corresponding wide area electromagnetic transmitters;
and if the sending times are greater than the receiving times, the corresponding wide area electromagnetic transmitter fails to communicate with the part of the wide area electromagnetic transmitters connected with the corresponding wide area electromagnetic transmitter, and a fault wide area electromagnetic transmitter is screened out, wherein the fault wide area electromagnetic transmitter is the wide area electromagnetic transmitter which does not send the response signal to the corresponding wide area electromagnetic transmitter, and the fault wide area electromagnetic transmitter is subjected to communication maintenance.
By adopting the technical scheme, as any group of wide area electromagnetic transmitters can feed back response signals to the signal source when receiving the check signals, only the group of wide area electromagnetic transmitters which send the check signals is taken as a reference, the times of sending the check signals and the times of receiving the response signals are counted, the two times are compared, when the times of sending the check signals and the times of receiving the response signals are the same, all other wide area electromagnetic transmitters receive the check signals and successfully feed back the response signals, and at the moment, all the wide area electromagnetic transmitters are successfully connected into the local area network; when the number of times of sending the check signal is greater than the number of times of receiving the response signal, it indicates that some wide area electromagnetic transmitters do not receive the check signal or unsuccessfully feed back the response signal, and the some wide area electromagnetic transmitters are in a communication failure state and need to be subjected to communication maintenance.
Optionally, all the wide area electromagnetic transmitters receive the instruction data packet, perform mutual detection on the instruction data packet, and process an incomplete instruction data packet, including the following specific steps:
selecting the instruction data packet received by any group of wide area electromagnetic transmitters as a sample packet;
the control center judges the data integrity of the sample packet;
if the data of the sample packet is complete, the corresponding wide area electromagnetic transmitter sends the sample packet to all other wide area electromagnetic transmitters;
if the data of the sample packet is incomplete, the control center completes the data of the sample packet, and the corresponding wide area electromagnetic transmitter sends the sample packet after data completion to all other wide area electromagnetic transmitters;
comparing the received instruction data packet with the sample packet by all other wide area electromagnetic transmitters, and judging the data integrity of the instruction data packet;
if the data of the instruction data packet is complete, the instruction data packet is not processed, and the sample packet is deleted;
and if the data of the instruction data packet is incomplete, deleting the instruction data packet and storing the sample packet by the corresponding wide area electromagnetic transmitter.
By adopting the technical scheme, the instruction data packet received by the group of wide area electromagnetic transmitters is selected as the sample packet, the control center compares the sent instruction data packet with the sample packet, whether data is missing in the sample packet is checked, and if no data is missing, all the wide area electromagnetic transmitters are connected with each other through the local area network, so that the wide area electromagnetic transmitters containing the sample packet can directly send the sample packet to all other wide area electromagnetic transmitters through the local area network; if data is missing, the control center independently sends missing data to the wide area electromagnetic transmitters containing the sample packets, the missing data and the sample packets are combined, the wide area electromagnetic transmitters containing the sample packets send the sample packets to all other wide area electromagnetic transmitters through the local area network, all other wide area electromagnetic transmitters automatically compare the sample packets with the received instruction data packets after receiving the sample packets, and if the received instruction data packets are incomplete, the sample packets are deleted and stored; if the received instruction data packet is complete, the received instruction data packet is not processed and the sample packet is deleted, so that the repeated execution of the instruction is avoided. Therefore, when the number of the wide area electromagnetic transmitters is large, only one group of the wide area electromagnetic transmitters needs to interact with the control center once to verify the integrity of the sample packet, and then the mutual detection and processing of the instruction data packet can be completed through the local area network.
Optionally, the step of screening a plurality of groups of exploration signal waves to screen out an optimal signal wave comprises the following specific steps:
respectively constructing exploration waveforms of each group of exploration signal waves;
constructing theoretical waveforms based on the design theoretical values, and comparing the theoretical waveforms with all exploration waveforms respectively;
and selecting the exploration waveform with the highest coincidence degree with the theoretical waveform as an optimal waveform, wherein the exploration signal wave corresponding to the optimal waveform is the optimal signal wave.
By adopting the technical scheme, the multiple groups of exploration signal waves acquired by the wide-area electromagnetic receiver finally have deviation due to the fact that part of the wide-area electromagnetic transmitters do not completely transmit the exploration signal waves according to the coded data, the exploration signal waves are possibly interfered by other factors in the stratum of an exploration mining area and the like, so that a design theoretical value can be obtained through analysis and calculation, theoretical waveforms are constructed based on the design theoretical value, exploration waveforms are respectively constructed by all the acquired exploration signal waves and are compared with the theoretical waveforms one by one, if the coincidence degree of one exploration waveform and one theoretical waveform is the highest, the exploration signal wave deviation corresponding to the exploration waveform is the smallest, and the exploration signal waves are selected as the optimal signal waves.
Optionally, the acquiring exploration data of the exploration mine area, constructing an electromagnetic hologram of the exploration mine area based on the exploration data and the optimal signal wave, and analyzing and delineating a target ore body in the exploration mine area based on the electromagnetic hologram includes the following specific steps:
acquiring exploration data of the exploration mining area by using an exploration device based on the measuring points and the polar distance of the distribution electrode;
the exploration device sends the exploration data to the control center, the wide-area electromagnetic receiver corresponding to the optimal signal wave sends the optimal signal wave to the control center, and the control center constructs an electromagnetic holographic image of the exploration mine area based on the exploration data and the optimal signal wave;
and analyzing the electrical characteristics of different ores in the exploration mining area based on the electromagnetic holographic image, and delineating a target ore body based on the electrical characteristics.
By adopting the technical scheme, after the measuring points and the polar distance of the polar distribution are arranged on the basis of the physical properties of the ore, the exploration data of an exploration ore area can be acquired at the corresponding measuring points by utilizing the exploration device on the basis of the polar distance of the polar distribution, after the exploration data are acquired, the exploration data are transmitted to the control center by the exploration device through the communication base station, meanwhile, the control center receives the optimal signal wave transmitted from the wide-area electromagnetic receiver, the control center constructs an electromagnetic holographic image on the basis of the exploration data and the optimal signal wave, so that the electrical characteristics of different ores in the exploration ore area can be analyzed through the electromagnetic holographic influence, the target ore body is identified according to the electrical characteristics, and the target ore body is identified.
In a second aspect, the present application provides a holographic electromagnetic ore body exploration system utilizing wide-area electromagnetic methods, comprising:
a wide area electromagnetic transmitter disposed at the prospect area for transmitting the prospect signal wave to the prospect area;
the control center sends the instruction data packet to the wide area electromagnetic transmitter so that the wide area electromagnetic transmitter transmits the exploration signal wave to the exploration mine area;
the wide-area electromagnetic receiver is used for collecting the exploration signal waves transmitted by the wide-area electromagnetic transmitter, screening the optimal signal waves and transmitting the optimal signal waves to the control center;
the exploration device is used for acquiring the exploration data of the exploration mining area and sending the exploration data to the control center;
the control center receives the optimal signal waves and the exploration data to construct the electromagnetic hologram of the exploration mining area, and the target ore body in the exploration mining area is analyzed and defined based on the electromagnetic hologram.
By adopting the technical scheme, the wide area electromagnetic transmitter, the wide area electromagnetic receiver and the exploration device are arranged in advance by an operator, then the instruction data packet is sent to the wide area electromagnetic transmitter through the control center, the wide area electromagnetic transmitter and the wide area electromagnetic receiver can finish the emission and the collection of exploration signal waves, the optimal signal waves are sent to the control center after screening, meanwhile, the exploration data can be collected and sent to the control center by utilizing the pre-arranged exploration device, the control center can construct electromagnetic holographic images based on the exploration data and the optimal signal waves, and target ore bodies in an exploration ore area are identified and are delineated. As the launching process and the collecting process of the exploration signal waves basically do not need manual operation, the manpower consumption in the exploration process can be reduced.
Optionally, a holographic electromagnetic ore body exploration system using wide-area electromagnetic method further comprises:
the communication base station is in communication connection with the wide area electromagnetic transmitter, the control center, the wide area electromagnetic receiver and the exploration device, and a communication channel among the wide area electromagnetic transmitter, the control center, the wide area electromagnetic receiver and the exploration device is constructed;
and the mobile terminal is held by a maintainer, is in communication connection with the communication base station, and is used for acquiring the position information of the fault wide area electromagnetic transmitter so as to guide the maintainer to carry out communication maintenance on the fault wide area electromagnetic transmitter.
By adopting the technical scheme, the communication connection among the wide area electromagnetic transmitter, the control center, the wide area electromagnetic receiver and the exploration device is established through the communication base station, the possibility of interruption of signal transmission or data transmission among all devices due to poor signals is reduced, and after the maintenance personnel are provided with the mobile terminal in communication connection with the communication base station, the position information of the fault wide area electromagnetic transmitter can be acquired at any time, so that the position of the fault wide area electromagnetic transmitter can be quickly reached and the communication maintenance can be carried out on the fault wide area electromagnetic transmitter.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the whole exploration process, manual operation is basically needed only when equipment is arranged and command data packets are sent, and communication and data exchange among the equipment in the whole exploration process are guaranteed due to the arrangement of the communication base station, so that even if exploration is carried out in mountainous areas with weak signals and far measuring points, the exploration task can be completed only by consuming less manpower.
2. After the maintenance personnel are provided with the mobile terminal in communication connection with the communication base station, the position information of the fault wide-area electromagnetic transmitter can be acquired at any time, so that the position of the fault wide-area electromagnetic transmitter can be quickly reached and the communication maintenance can be carried out on the fault wide-area electromagnetic transmitter.
Drawings
FIG. 1 is a schematic diagram of a holographic electromagnetic ore body exploration system utilizing wide-area electromagnetic methods, according to one embodiment of the present application.
FIG. 2 is a schematic flow diagram of a method of holographic electromagnetic ore body exploration using wide-area electromagnetic methods, according to one embodiment of the present application.
Fig. 3 is a schematic flow diagram of an arrangement of multiple sets of wide-area electromagnetic transmitters and multiple sets of wide-area electromagnetic receivers according to an embodiment of the present application.
Fig. 4 is a flowchart illustrating checking and processing of communication connection status between all the wide area electromagnetic transmitters according to an embodiment of the present application.
Fig. 5 is a schematic flowchart of analyzing and repairing a wide area electromagnetic transmitter with a communication failure based on a checking signaling condition according to an embodiment of the present application.
Fig. 6 is a flow chart of all of the wan electromagnetic transmitters receiving the command packet and performing mutual detection according to an embodiment of the present application.
FIG. 7 is a schematic flow chart of the method for screening a plurality of sets of survey signal waves and screening out the optimal signal waves according to one embodiment of the present application.
FIG. 8 is a schematic flow chart of the present application for collecting survey data for a survey area to construct an electromagnetic hologram and ultimately delineate a target ore body.
Description of reference numerals:
1. a wide area electromagnetic transmitter; 2. a control center; 3. a wide area electromagnetic receiver; 4. an exploration device; 5. a communication base station; 6. a mobile terminal.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a holographic electromagnetic ore body exploration system utilizing a wide-area electromagnetic method.
Referring to fig. 1, the system includes:
the wide area electromagnetic transmitter 1 is provided with a plurality of groups and is in communication connection with each other through a local area network, and the wide area electromagnetic transmitter is provided with three groups in the embodiment and can receive exploration instructions to transmit exploration signal waves to an exploration mining area based on encoded data.
And the control center 2 comprises an operating system and a holographic imaging system, and sends a preset instruction data packet to the wide-area electromagnetic transmitter 1 through the operating system so that the wide-area electromagnetic transmitter 1 transmits an exploration signal wave.
The wide area electromagnetic receiver 3 is also provided with a plurality of groups, receives a signal wave acquisition command sent by the wide area electromagnetic transmitter 1 after the wide area electromagnetic transmitter 1 transmits the exploration signal waves, responds to the signal wave acquisition command to acquire the exploration signal waves, screens the acquired exploration signal waves, screens out the optimal signal waves, and sends the optimal signal waves to the control center 2 for processing.
The exploration device 4 can collect exploration data of an exploration mining area and send the exploration data to the control center 2 for processing.
The communication base station 5, which may be a mobile station building vehicle, is arranged in the exploration mine to construct a communication path between the wide area electromagnetic transmitter 1, the control center 2, the wide area electromagnetic receiver 3 and the exploration apparatus 4, thereby ensuring stability of data exchange or instruction transfer between the respective devices.
The mobile terminal 6 can be a mobile phone and is held by a maintainer in charge of communication maintenance, and the mobile terminal 6 can receive the position information of the fault wide-area electromagnetic transmitter through the communication base station 5, so that the mobile terminal can go to the position of the fault wide-area electromagnetic transmitter in time and carry out communication maintenance on the fault wide-area electromagnetic transmitter.
The implementation principle of the embodiment is as follows:
an operator arranges a plurality of groups of wide area electromagnetic transmitters 1, a plurality of groups of wide area electromagnetic receivers 3 and an exploration device 4 in advance in an exploration mining area, the operator sends a command data packet to the wide area electromagnetic transmitters 1 through a control center 2, the command data packet is transmitted through a communication channel constructed by a communication base station 5, the wide area electromagnetic transmitters 1 receives the command data packet and transmits exploration signal waves, then the wide area electromagnetic receivers 3 finish the acquisition of the exploration signal waves, the optimal signal waves are transmitted to the control center 2 after the acquisition of the plurality of groups of exploration signal waves and the screening, meanwhile, the exploration data can be collected by the aid of the pre-arranged exploration devices 4 and sent to the control center 2, and the control center 2 can construct electromagnetic holographic images based on the exploration data and the optimal signal waves so as to identify target ore bodies in the exploration mining area and define the target ore bodies. Through the outfit of mobile terminal 6, when wide area electromagnetic transmitter 1 broke down, the maintainer who holds mobile terminal 6 will in time receive trouble wide area electromagnetic transmitter's positional information to can in time carry out communication to trouble wide area electromagnetic transmitter and overhaul. As the launching process and the collecting process of the exploration signal waves basically do not need manual operation, the manpower consumption in the exploration process can be reduced, and the possibility of inaccurate exploration results caused by manual misoperation can be reduced.
The embodiment of the application also discloses a holographic electromagnetic ore body exploration method by utilizing the wide-area electromagnetic method, which is applied to the holographic electromagnetic ore body exploration system by utilizing the wide-area electromagnetic method disclosed in the embodiment shown in fig. 1, and the specific steps of the method are shown in fig. 2, and the method specifically comprises the following steps:
a plurality of sets of wide-area electromagnetic transmitters and a plurality of sets of wide-area electromagnetic receivers are deployed 101 within a predefined prospect area.
The multiple groups of wide area electromagnetic transmitters are arranged to transmit exploration signal waves to an exploration mining area at the same time, the transmitted exploration signal waves are multi-frequency pseudo-random square wave signals, and compared with the single group of wide area electromagnetic transmitters, the influence of errors of the exploration signal waves on exploration results can be reduced.
And 102, the control center simultaneously transmits command data packets to all the wide area electromagnetic transmitters through the communication base station.
The wide-area electromagnetic transmitter can execute the exploration command to transmit exploration signal waves, and parameters of the transmitted exploration signal waves are set based on the coded data.
103, all the wide area electromagnetic transmitters receive the instruction data packets, perform mutual detection on the instruction data packets, and process incomplete instruction data packets.
All the wide area electromagnetic transmitters are in communication connection with each other through the constructed local area network, and the instruction data packet sent by the control center may have the situation of partial data loss in the transmission process, so that after all the wide area electromagnetic transmitters receive the instruction data packet, the instruction data packet is mutually detected based on the local area network, and the incomplete data packet is processed.
104, the wide area electromagnetic transmitters execute the exploration instructions, each group of wide area electromagnetic transmitters transmits exploration signal waves to the exploration mining area based on the coded data, and sends signal wave acquisition instructions to all wide area electromagnetic receivers through the communication base station.
Each group of wide-area electromagnetic receivers only receive the signal wave acquisition instruction which arrives firstly and reject the signal wave acquisition instruction which arrives subsequently, so that multiple instruction execution or instruction execution errors of the wide-area electromagnetic receivers are avoided.
105, the wide-area electromagnetic receiver receives the signal wave acquisition command, acquires a plurality of groups of exploration signal waves from the exploration mining area, and screens the plurality of groups of exploration signal waves to screen out the optimal signal waves.
Only the optimal signal waves are screened out and sent to the control center, and data redundancy of the control center is avoided.
And 106, collecting exploration data of the exploration mining area, constructing an electromagnetic hologram of the exploration mining area based on the exploration data and the optimal signal wave, analyzing based on the electromagnetic hologram and delineating a target ore body in the exploration mining area.
The exploration data comprises profile data and sounding data, and can be directly collected from an exploration mining area by using related equipment.
The implementation principle of the embodiment is as follows:
an operator can send command data packets containing exploration commands and coded data to all the wide area electromagnetic transmitters through the communication base station in the control center, the command data packets can be mutually detected after the command data packets are received by the multiple groups of wide area electromagnetic transmitters, the completeness of the command data packets is confirmed, the incomplete command data packets are correspondingly processed to be completed into complete command data packets, and the wide area electromagnetic transmitters send signal wave acquisition commands to the wide area electromagnetic receivers through the communication base station after the wide area electromagnetic transmitters send exploration signals so that the wide area electromagnetic receivers can be started and receive the exploration signal waves. And finally, collecting exploration data by using the exploration device, sending the exploration data to the control center through the communication base station, processing the exploration data and exploration signal waves by the control center, constructing an electromagnetic holographic image, and analyzing the electromagnetic holographic image to define a target ore body in the exploration ore area. In the whole exploration process, manual operation is basically needed only when equipment is arranged and an instruction data packet is sent, and communication and data exchange among the equipment in the whole exploration process are guaranteed due to the arrangement of the communication base station, so that even if exploration is carried out in mountainous areas with weak signals and far measuring points, the exploration task can be completed only by consuming less manpower, and the influence of exploration errors caused by manual operation errors can be reduced.
In step 101 of the embodiment shown in fig. 2, a plurality of sets of wide-area electromagnetic transmitters and a plurality of sets of wide-area electromagnetic receivers arranged in an exploratory mine area need to be arranged at specified points in order to effectively explore the exploratory mine area, which is described in detail by the embodiment shown in fig. 3.
Referring to fig. 3, the step of arranging the plurality of sets of wide-area electromagnetic transmitters and the plurality of sets of wide-area electromagnetic receivers comprises:
and 201, acquiring the ore physical property of the exploration mining area.
The method comprises the steps of collecting the ore physical properties of different types of ores in an exploration mining area by utilizing a power exciting device according to a specimen frame method or a small four-pole outcrop method, and preliminarily knowing the basic electrical characteristics of the different types of ores.
And 202, setting measuring points and a polar distance of the exploration mine area based on the ore physical properties.
After the basic electrical characteristics of different types of ores are known, the distance range between the measuring points and the range of the pole-distribution distance are obtained through analysis and calculation, and therefore the measuring points and the pole-distribution distance are arranged in the range.
And 203, arranging a plurality of groups of wide-area electromagnetic receivers based on the measuring points.
Wherein, a group of wide-area electromagnetic receivers are arranged on each measuring point.
And 204, arranging a plurality of groups of wide area electromagnetic transmitters based on the polar distance, and establishing communication connection among all the wide area electromagnetic transmitters.
The local area network among all the wide area electromagnetic transmitters is constructed through communication modules in the wide area electromagnetic transmitters.
And 205, checking the communication connection state among all the wide area electromagnetic transmitters, and carrying out communication maintenance on the wide area electromagnetic transmitters with failed communication.
Wherein, GPS orientation module is all installed to all wide area electromagnetic transmitter, and GPS orientation module passes through communication base station with the positional information of the wide area electromagnetic transmitter who corresponds and sends to control center. Based on the communication connection state between all wide area electromagnetic transmitters of local area network school check, control center sends the positional information of the wide area electromagnetic transmitter that communication failed to the maintainer in order to carry out the communication maintenance.
The implementation principle of the embodiment is as follows:
the method comprises the steps of firstly acquiring and obtaining ore physical properties of an exploration mining area, knowing parameters and parameter ranges of the parameters of different ores in the exploration mining area, and setting initial measuring points and pole arrangement polar distances in the exploration mining area after analysis and calculation. The wide area electromagnetic receivers are arranged on each measuring point, a plurality of groups of wide area electromagnetic transmitters can be arranged through the arrangement of the pole spacing, a local area network is constructed among the plurality of groups of wide area electromagnetic transmitters, all the wide area electromagnetic transmitters are mutually communicated with each other to form a communication channel, the communication connection state among all the wide area electromagnetic transmitters is checked after the wide area electromagnetic transmitters are communicated, and if the wide area electromagnetic transmitters which are failed in communication exist, the wide area electromagnetic receivers are aligned to carry out communication maintenance.
In step 205 of the embodiment shown in fig. 3, checking the communication status between all the wide area electromagnetic transmitters is mainly performed based on the local area network, and performing communication maintenance on the wide area electromagnetic transmitter that has failed in checking the communication, which is specifically described in detail with the embodiment shown in fig. 4.
Referring to fig. 4, the performing step of checking and processing the communication connection status between all the wide area electromagnetic transmitters includes:
and 301, selecting any one group of wide area electromagnetic transmitters to generate a check signal, and sending the check signal to all other wide area electromagnetic transmitters.
The control center counts the number of all the wide area electromagnetic transmitters, marks different numbers for all the wide area electromagnetic transmitters, randomly extracts the numbers, sends a generation instruction to the wide area electromagnetic transmitters corresponding to the extracted numbers, and receives the generation instruction to generate a checking signal.
302, after each group of wide area electromagnetic transmitters receives the check signal, a response signal is sent out to the wide area electromagnetic transmitter sending the instruction.
The wide-area electromagnetic transmitters are preset with response signals, and when receiving the calibration signals, the wide-area electromagnetic transmitters directly transmit the response signals to the emission sources of the calibration signals.
And 303, analyzing to obtain a wide area electromagnetic transmitter with failed communication based on the sending condition of the checking signal and the receiving condition of the response signal, and performing communication maintenance on the wide area electromagnetic transmitter with failed communication.
Wherein, comparing the sending times of the wide area electromagnetic transmitter sending the checking signal with the receiving times of the response signal, it can be determined whether there is communication failure of the wide area electromagnetic transmitter, and refer to step 205 for the processing mode of the wide area electromagnetic transmitter with communication failure.
The implementation principle of the embodiment is as follows:
after the local area network among all the wide area electromagnetic transmitters is constructed, a group of wide area electromagnetic transmitters are selected optionally to generate a check signal, the check signal is sent to all other wide area electromagnetic transmitters through the local area network, the other wide area electromagnetic transmitters respond a response signal after receiving the check signal, and if the wide area electromagnetic transmitters which successfully send the check signal receive the response signal, the corresponding wide area electromagnetic transmitters which send the response signal normally communicate; if the wide area electromagnetic transmitter which successfully sends the checking signal does not receive the response signal, the corresponding wide area electromagnetic transmitter which does not send the response signal fails in communication, communication and maintenance are needed to be carried out timely at the moment, the control center searches for corresponding position information, and sends the position information to a mobile terminal held by a maintenance worker through a communication base station, so that the maintenance worker can carry out communication and maintenance timely, and the process of mutual checking of the instruction data packets can be carried out smoothly.
In step 303 shown in fig. 4, it is necessary to count and compare the number of times of transmission by the wide area electromagnetic transmitter that transmits the calibration signal with the number of times of reception of the response signal, and then perform corresponding processing, which is specifically described in detail with the embodiment shown in fig. 5.
Referring to fig. 5, the step of analyzing and repairing the wide area electromagnetic transmitter with failed communication based on the checking signaling receiving and sending condition includes:
401, counting the sending times of the wide area electromagnetic transmitter sending the checking signal and the receiving times of the response signal of the wide area electromagnetic transmitter sending the checking signal.
The sending and receiving times are counted through a sending counter and a receiving counter.
402, judging that the sending times are greater than or equal to the receiving times, and if the sending times are equal to the receiving times, executing a step 403; if the sending times is greater than the receiving times, go to step 404.
If the sending times are less than the receiving times, the fact that part of the wide area electromagnetic transmitters repeatedly send response signals is indicated, and the part of the wide area electromagnetic transmitters are searched and screened out and are subjected to system check.
403, the corresponding wide area electromagnetic transmitter successfully communicates with all of the wide area electromagnetic transmitters to which it is connected.
Wherein, successful communication does not process any wide area electromagnetic transmitter.
404, the communication between the corresponding wide area electromagnetic transmitter and the part of the wide area electromagnetic transmitters connected with the corresponding wide area electromagnetic transmitter fails, and a fault wide area electromagnetic transmitter is screened out, and the fault wide area electromagnetic transmitter is the wide area electromagnetic transmitter which does not send the response signal to the corresponding wide area electromagnetic transmitter, and the fault wide area electromagnetic transmitter is subjected to communication maintenance.
The control center acquires the position information of the fault wide-area electromagnetic transmitter, and sends the position information of the fault wide-area electromagnetic transmitter to the mobile terminal held by the maintainer to inform the maintainer of timely maintenance.
The implementation principle of the embodiment is as follows:
because any group of wide area electromagnetic transmitters can feed back response signals to signal sources when receiving the check signals, the group of wide area electromagnetic transmitters which send the check signals is only used as a reference, the times of sending the check signals and the times of receiving the response signals are counted, the two times are compared, when the times of sending the check signals and the times of receiving the response signals are the same, all other wide area electromagnetic transmitters receive the check signals and successfully feed back the response signals, and at the moment, all the wide area electromagnetic transmitters are successfully connected into the local area network; when the times of sending the checking signals are greater than the times of receiving the response signals, it is indicated that part of the wide area electromagnetic transmitters do not receive the checking signals or unsuccessfully feed back the response signals, the part of the wide area electromagnetic transmitters are in a communication failure state and need to be communicated and overhauled, the part of the wide area electromagnetic transmitters are defined as a fault wide area electromagnetic transmitter, the control center acquires the position information of the fault wide area electromagnetic transmitter, and sends the position information of the fault wide area electromagnetic transmitter to a mobile terminal held by an overhaul worker so as to inform the overhaul worker of overhauling in time.
In step 103 of the embodiment shown in fig. 1, after receiving the command packet, all the wide area electromagnetic transmitters perform internal mutual inspection through the local area network, so as to verify the integrity of the command packet and perform corresponding processing on the incomplete command packet, which is specifically described in detail with the embodiment shown in fig. 6.
Referring to fig. 6, the execution steps of receiving the command packet and performing mutual detection by all the wide area electromagnetic transmitters include:
and 501, selecting the instruction data packet received by any group of wide area electromagnetic transmitters as a sample packet.
The control center marks different numbers for all the wide area electromagnetic transmitters, one number is randomly extracted after the control center sends the instruction data packet, and the instruction data packet received by the wide area electromagnetic transmitter corresponding to the extracted number is marked as a sample packet.
502, the control center judges the data integrity of the sample packet, and if the data integrity is complete, step 503 is executed; if not, go to step 504.
The control center compares the internal data of the sample packet with the internal data of the transmitted instruction data packet one by one, and if the internal data of the sample packet is missing, the step 504 is executed; if no data is missing, go to step 503.
503, the corresponding wide area electromagnetic transmitter transmits the sample packet to all other wide area electromagnetic transmitters.
Wherein the sample packet is sent to all other wide area electromagnetic transmitters over a local area network.
And 504, the control center completes the data of the sample packet, and the corresponding wide area electromagnetic transmitter sends the sample packet after data completion to all other wide area electromagnetic transmitters.
The control center compares the internal data of the sample packet with the sent instruction data packet one by one, and if the data contained in the instruction data packet does not exist in the sample packet, the data is copied to the sample packet.
505, all other wan electromagnetic transmitters compare the received command data packet with the sample packet.
The wide area electromagnetic transmitter compares the received instruction data packet with the sample packet one by one to obtain internal data.
506, judging the data integrity of the instruction data packet, and if the data integrity is complete, executing a step 507; if not, go to step 508.
507, the instruction data packet is not processed, and the sample packet is deleted.
The deletion of the sample packet can avoid data redundancy in the wide-area electromagnetic transmitter and can also avoid repeated instruction execution of the wide-area electromagnetic transmitter.
And 508, deleting the instruction data packet and storing the sample packet by the corresponding wide area electromagnetic transmitter.
The sample packets belong to data packets with complete data through checking or supplementing, so that the instruction data packets are directly deleted and the sample packets are stored and replaced if the instruction data packets received by the wide-area electromagnetic transmitter are incomplete.
The implementation principle of the embodiment is as follows:
randomly extracting instruction data packets received by a group of wide area electromagnetic transmitters as sample packets, comparing the sent instruction data packets with the sample packets by the control center, checking whether the sample packets lack data or not, and directly sending the sample packets to all other wide area electromagnetic transmitters through the local area network if the sample packets do not lack data; if the data is missing, the control center independently sends the missing data to the wide area electromagnetic transmitter containing the sample packet, the missing data and the sample packet are combined, and then the wide area electromagnetic transmitter containing the sample packet sends the sample packet to all other wide area electromagnetic transmitters through the local area network. After receiving the sample packets, all other wide area electromagnetic transmitters automatically compare the sample packets with the received instruction data packets, and if the received instruction data packets are incomplete, deleting the received instruction data packets and storing the sample packets; if the received instruction data packet is complete, the received instruction data packet is not processed and the sample packet is deleted, so that the repeated execution of the instruction is avoided. Therefore, when the number of the wide area electromagnetic transmitters is large, only one group of the wide area electromagnetic transmitters needs to interact with the control center once to verify the integrity of the sample packet, and then the mutual detection and processing of the instruction data packet can be completed through the local area network.
In step 105 of the embodiment shown in fig. 1, since only one set of survey signal waves is ultimately needed by the control center, multiple sets of survey signal waves collected by the wide-area electromagnetic receiver need to be screened to screen out the optimal survey signal waves, which is described in detail by the embodiment shown in fig. 7.
Referring to fig. 7, the step of screening a plurality of sets of the exploration signal waves and screening out an optimal signal wave includes:
the survey waveforms for each set of survey signal waves are constructed 601, respectively.
The method comprises the steps of acquiring survey signal waves, and constructing survey waveforms by using the acquired survey signal waves through a waveform system built in a wide-area electromagnetic receiver.
And 602, constructing theoretical waveforms based on the design theoretical values, and comparing the theoretical waveforms with all exploration waveforms respectively.
The control center selects the most suitable data model, deduces and calculates a design theoretical value, and then sends the design theoretical value to a waveform system in the wide-area electromagnetic receiver, wherein the waveform system constructs a theoretical waveform based on the design theoretical value.
603, selecting the exploration waveform with the highest coincidence degree with the theoretical waveform as an optimal waveform, wherein the exploration signal wave corresponding to the optimal waveform is the optimal signal wave.
And respectively superposing and contrasting the theoretical waveforms with each group of exploration waveforms, thereby screening the exploration waveforms with the highest coincidence degree with the theoretical waveforms.
The implementation principle of the embodiment is as follows:
the plurality of groups of wide area electromagnetic transmitters are used for transmitting exploration signal waves, but because part of the wide area electromagnetic transmitters do not completely transmit the exploration signal waves according to the coded data or the exploration signal waves in the stratum of an exploration mining area are possibly interfered by other factors, and the like, the plurality of groups of exploration signal waves acquired by the wide area electromagnetic receiver have deviation. Therefore, a design theoretical value can be obtained through analysis and calculation of the control center according to the data model, theoretical waveforms are constructed on the basis of the design theoretical value, exploration waveforms are constructed by all collected exploration signal waves respectively and are superposed and compared with the theoretical waveforms one by one, if the coincidence degree of one exploration waveform and the theoretical waveform is highest, the exploration signal wave deviation corresponding to the exploration waveform is minimum, and therefore the exploration signal wave is selected as the optimal signal wave.
In step 106 of the embodiment shown in fig. 1, after receiving the optimal signal wave and the exploration data, the control center may construct an electromagnetic hologram of the exploration mine area, so as to delineate a target ore body in the exploration mine area, which is described in detail with the embodiment shown in fig. 8.
Referring to fig. 8, the steps performed to collect survey data for a survey mine area to construct an electromagnetic hologram and ultimately delineate a target ore body include:
and 701, acquiring exploration data of the exploration mine area by utilizing an exploration device based on the measuring points and the polar distance of the cloth poles.
The exploration data comprises profile data and sounding data, the profile data of an exploration mine area is acquired at different measuring points by an exploration device, and the sounding data of the exploration mine area is acquired by the exploration device based on the polar distance of the distribution pole.
And 702, the exploration device sends the exploration data to the control center, the wide-area electromagnetic receiver corresponding to the optimal signal wave sends the optimal signal wave to the control center, and the control center constructs an electromagnetic holographic image of the exploration mine area based on the exploration data and the optimal signal wave.
Coordinates are constructed through exploration data, and then electromagnetic holographic images of geology of an exploration mining area are constructed through geological layer information acquired through exploration signal waves.
And 703, analyzing the electrical characteristics of different ores in the exploration mining area based on the electromagnetic holographic image, and delineating a target ore body based on the electrical characteristics.
The different ores have different electrical characteristics in the electromagnetic holographic image, so that the electric characteristics of the target ore body can be determined from the electromagnetic holographic image.
The implementation principle of the embodiment is as follows:
the exploration device collects profile data at a measuring point, the sounding data are collected based on the polar distance of the measuring point, after the exploration data are collected, the exploration device sends the exploration data to the control center through the communication base station, meanwhile, the control center receives the optimal signal wave sent by the wide-area electromagnetic receiver, the control center constructs an electromagnetic holographic image based on the exploration data and the optimal signal wave, the electrical characteristics of different ores in an exploration ore area can be analyzed through electromagnetic holographic influence, a target ore body is identified according to the electrical characteristics, and the target ore body is identified.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A holographic electromagnetic ore body exploration method utilizing a wide-area electromagnetic method is characterized by comprising the following steps:
arranging a plurality of groups of wide area electromagnetic transmitters and a plurality of groups of wide area electromagnetic receivers in a predetermined exploration mining area;
the control center simultaneously sends command data packets to all the wide area electromagnetic transmitters through the communication base station, wherein the command data packets comprise exploration commands and coded data;
all the wide area electromagnetic transmitters receive the instruction data packets, perform mutual detection on the instruction data packets, and process incomplete instruction data packets;
the wide area electromagnetic transmitters execute the exploration instructions, each group of wide area electromagnetic transmitters transmits exploration signal waves to the exploration mining area based on the encoding data, and the wide area electromagnetic transmitters transmit signal wave acquisition instructions to all wide area electromagnetic receivers through the communication base station;
the wide-area electromagnetic receiver receives the signal wave acquisition command, acquires a plurality of groups of exploration signal waves from the exploration mining area, and respectively constructs exploration waveforms of each group of exploration signal waves;
constructing theoretical waveforms based on the design theoretical values, and comparing the theoretical waveforms with all exploration waveforms respectively;
selecting the exploration waveform with the highest coincidence degree with the theoretical waveform as an optimal waveform, wherein the exploration signal wave corresponding to the optimal waveform is the optimal signal wave;
collecting exploration data of the exploration mining area, constructing an electromagnetic holographic image of the exploration mining area based on the exploration data and the optimal signal wave, analyzing based on the electromagnetic holographic image, and delineating a target ore body in the exploration mining area.
2. The method of claim 1, wherein the arranging of the plurality of groups of wide-area electromagnetic transmitters and the plurality of groups of wide-area electromagnetic receivers within the predefined prospect area comprises the steps of:
obtaining ore physical properties of the exploration mining area;
setting measuring points and pole arrangement polar distances of the exploration mining area based on the physical properties of the ore;
arranging a plurality of groups of wide area electromagnetic receivers based on the measuring points;
arranging a plurality of groups of wide area electromagnetic transmitters based on the pole arrangement distance, and establishing communication connection among all the wide area electromagnetic transmitters;
and checking the communication connection state among all the wide area electromagnetic transmitters, and carrying out communication maintenance on the wide area electromagnetic transmitters with failed communication.
3. The method for exploring holographic electromagnetic ore body by using wide area electromagnetic method as claimed in claim 2, wherein said checking the communication connection status between all wide area electromagnetic transmitters and performing communication overhaul on the wide area electromagnetic transmitter which fails to communicate specifically comprises the steps of:
selecting any one group of wide area electromagnetic transmitters to generate a check signal, and sending the check signal to all other wide area electromagnetic transmitters;
after each group of wide area electromagnetic transmitters receives the check signal, response signals are sent out of the wide area electromagnetic transmitters which send instructions;
and analyzing to obtain a wide area electromagnetic transmitter with failed communication based on the sending condition of the checking signal and the receiving condition of the response signal, and carrying out communication maintenance on the wide area electromagnetic transmitter with failed communication.
4. The method as claimed in claim 3, wherein the step of analyzing the wide-area electromagnetic transmitter with failed communication based on the transmission of the calibration signal and the reception of the response signal, and performing communication maintenance on the wide-area electromagnetic transmitter with failed communication comprises the following steps:
counting the sending times of the wide area electromagnetic transmitter sending the checking signal and the receiving times of the response signal of the wide area electromagnetic transmitter sending the checking signal;
comparing the consistency of the sending times and the receiving times;
if the sending times are the same as the receiving times, the corresponding wide area electromagnetic transmitter and all the wide area electromagnetic transmitters connected with the corresponding wide area electromagnetic transmitter are successfully communicated;
and if the sending times are greater than the receiving times, the corresponding wide area electromagnetic transmitter fails to communicate with the part of the wide area electromagnetic transmitters connected with the corresponding wide area electromagnetic transmitter, and a fault wide area electromagnetic transmitter is screened out, wherein the fault wide area electromagnetic transmitter is the wide area electromagnetic transmitter which does not send the response signal to the corresponding wide area electromagnetic transmitter, and the fault wide area electromagnetic transmitter is subjected to communication maintenance.
5. The method of claim 2, wherein all the wide-area electromagnetic transmitters receive the command packets and perform mutual detection on the command packets, and the step of processing incomplete command packets comprises the steps of:
selecting the instruction data packet received by any group of wide area electromagnetic transmitters as a sample packet;
the control center judges the data integrity of the sample packet;
if the data of the sample packet is complete, the corresponding wide area electromagnetic transmitter sends the sample packet to all other wide area electromagnetic transmitters;
if the data of the sample packet is incomplete, the control center completes the data of the sample packet, and the corresponding wide area electromagnetic transmitters send the sample packet after data completion to all other wide area electromagnetic transmitters;
comparing the received instruction data packet with the sample packet by all other wide area electromagnetic transmitters, and judging the data integrity of the instruction data packet;
if the data of the instruction data packet is complete, the instruction data packet is not processed, and the sample packet is deleted;
and if the data of the instruction data packet is incomplete, deleting the instruction data packet and storing the sample packet by the corresponding wide area electromagnetic transmitter.
6. The method of claim 2, wherein the step of collecting the exploration data of the exploration mine area, constructing the electromagnetic hologram of the exploration mine area based on the exploration data and the optimal signal wave, analyzing the electromagnetic hologram and delineating the target mine body in the exploration mine area comprises the following steps:
acquiring exploration data of the exploration mining area by using an exploration device based on the measuring points and the polar distance of the distribution electrode;
the exploration device sends the exploration data to the control center, the wide-area electromagnetic receiver corresponding to the optimal signal wave sends the optimal signal wave to the control center, and the control center constructs an electromagnetic holographic image of the exploration mine area based on the exploration data and the optimal signal wave;
and analyzing the electrical characteristics of different ores in the exploration mining area based on the electromagnetic holographic image, and delineating a target ore body based on the electrical characteristics.
7. A holographic electromagnetic ore body exploration system using wide-area electromagnetic method, characterized in that a holographic electromagnetic ore body exploration method using wide-area electromagnetic method according to any one of claims 1-6 is adopted, said system comprising:
a wide area electromagnetic transmitter disposed at the prospect area for transmitting the prospect signal wave to the prospect area;
the control center sends the instruction data packet to the wide-area electromagnetic transmitter so that the wide-area electromagnetic transmitter transmits the exploration signal wave to the exploration mine area;
the wide-area electromagnetic receiver is used for collecting the exploration signal waves transmitted by the wide-area electromagnetic transmitter, screening the optimal signal waves and transmitting the optimal signal waves to the control center;
the exploration device is used for acquiring the exploration data of the exploration mining area and sending the exploration data to the control center;
the control center receives the optimal signal waves and the exploration data to construct the electromagnetic hologram of the exploration mining area, and the target ore body in the exploration mining area is analyzed and defined based on the electromagnetic hologram.
8. The system for holographic electromagnetic mineral exploration using wide-area electromagnetic methods of claim 7, said system further comprising:
the communication base station is in communication connection with the wide area electromagnetic transmitter, the control center, the wide area electromagnetic receiver and the exploration device, and a communication channel among the wide area electromagnetic transmitter, the control center, the wide area electromagnetic receiver and the exploration device is constructed;
and the mobile terminal is held by a maintainer, is in communication connection with the communication base station, and is used for acquiring the position information of the fault wide-area electromagnetic transmitter so as to guide the maintainer to carry out communication maintenance on the fault wide-area electromagnetic transmitter.
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CN110824582A (en) * 2019-11-22 2020-02-21 马忠元 Comprehensive exploration method for polymetallic minerals
CN112859177A (en) * 2020-12-31 2021-05-28 中南大学 Control method and system for automatic acquisition by wide-area electromagnetic method
CN112882124A (en) * 2021-01-13 2021-06-01 核工业北京地质研究院 Method for delineating beneficial parts of three-dimensional uranium mineralization

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CN110133737B (en) * 2019-06-26 2020-03-06 中国科学院地质与地球物理研究所 Electromagnetism prediction method for blind mine

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Publication number Priority date Publication date Assignee Title
CN110824582A (en) * 2019-11-22 2020-02-21 马忠元 Comprehensive exploration method for polymetallic minerals
CN112859177A (en) * 2020-12-31 2021-05-28 中南大学 Control method and system for automatic acquisition by wide-area electromagnetic method
CN112882124A (en) * 2021-01-13 2021-06-01 核工业北京地质研究院 Method for delineating beneficial parts of three-dimensional uranium mineralization

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