CN217506150U - Multi-line acquisition electromagnetic sounding exploration system - Google Patents
Multi-line acquisition electromagnetic sounding exploration system Download PDFInfo
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- CN217506150U CN217506150U CN202221330330.3U CN202221330330U CN217506150U CN 217506150 U CN217506150 U CN 217506150U CN 202221330330 U CN202221330330 U CN 202221330330U CN 217506150 U CN217506150 U CN 217506150U
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Abstract
The utility model provides an electromagnetic sounding exploration system of multi-thread collection, including emitter and receiving arrangement, receiving arrangement includes a plurality of receiving electrodes, the multichannel receiver, power module, resistance detector, the GPS controller, line control ware and button display unit, the multichannel receiver embeds there are two sets of multichannel binding post, multichannel binding post passes through the input interface connection of root owner multicore cable conductor and line control ware, line control ware's output interface connection has two vice multicore cable conductors of being connected with main multicore cable conductor switching, each vice multicore cable conductor is connected with the receiving electrode of predetermineeing quantity respectively, line control ware embeds there are line control module and line change over switch module. The utility model discloses can lay many receipt survey lines simultaneously to be connected to on the line controller, possess simultaneously and concentrate the collection, work efficiency is high, and the protection instrument practices thrift advantages such as cost.
Description
Technical Field
The utility model relates to a geophysical exploration equipment technical field, concretely relates to electromagnetic sounding exploration system of multi-line collection.
Background
In the field of exploration techniques for minerals such as petroleum and natural gas, exploration for petroleum and natural gas, solid minerals, and the like can be performed using electromagnetic exploration techniques. At present, frequency domain electromagnetic sounding needs to emit current with preset frequency to the underground, emitting electrodes are arranged at two positions with a certain distance between the earth surface to supply power to the underground, the electrical conductivity distribution information of an underground geologic body or an ore body is obtained by receiving the response of an earth electromagnetic field, the structural characteristic of the electrical conductivity of an underground medium is constructed, and the exploration of petroleum, natural gas, solid minerals and the like is realized.
In the process of frequency domain electromagnetic sounding exploration, a transmitter is adopted to transmit signals, and a receiver receives the signals to achieve the purpose of detecting underground geological abnormal bodies. The conventional method can measure only 8 sets of data at a time and then move the receiver position. The receiver is frequently moved in a field terrain complex area, so that instruments are easily damaged, and the resistance of an interface is easily changed when the interface of the receiver is frequently connected and disconnected, so that the quality of collected data is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above-mentioned problem and provide an electromagnetic sounding exploration system of multi-line collection.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
an electromagnetic sounding system with multiline acquisition, comprising: the device comprises a transmitting device and a receiving device, wherein the transmitting device is used for transmitting an electromagnetic exploration signal to a target exploration area, and the receiving device is arranged in the target exploration area and used for generating a potential detection signal based on the electromagnetic exploration signal and outputting an electromagnetic exploration result according to the potential detection signal; the receiving device comprises a plurality of receiving electrodes, a multi-channel receiver matched with the receiving electrodes, a power supply module, a resistance detector, a GPS controller, a line controller and a key display unit, wherein the power supply module supplies power to the receiving device, the key display unit sends a key switching signal to the line controller, the resistance detector and the GPS controller are respectively connected with the multi-channel receiver, two groups of multi-channel wiring terminals are arranged in the multi-channel receiver, the first group of multi-channel wiring terminals are connected with a first input interface of the line controller through a first main multi-core cable, the second group of multi-channel wiring terminals are connected with a second input interface of the line controller through a second main multi-core cable, a first output interface of the line controller is connected with two auxiliary multi-core cables which are in switching connection with the first main multi-core cable, a second output interface of the line controller is connected with two auxiliary multi-core cables which are in switching connection with a second main multi-core cable, each auxiliary multi-core cable is respectively connected with a preset number of receiving electrodes, and electric wires of the receiving electrodes are connected to the auxiliary multi-core cables through quick connectors; the line controller is internally provided with a line control module and a line switching switch module, the line control module is connected with the power supply module and used for controlling the line switching switch module to switch lines according to a key switching signal output by the key display unit, and the line switching switch module controls and switches cable channels of each main multi-core cable and at least two auxiliary multi-core cables corresponding to the main multi-core cable.
The further scheme is that the main multi-core cable line contains 8 independent insulated wires, one end of each insulated wire of the main multi-core cable line is connected with one wiring terminal of the multi-channel receiver, and the other end of each insulated wire of the main multi-core cable line is directly connected with an input interface of the line controller.
The further scheme is that the auxiliary multi-core cable line contains 8 independent insulated wires, and the insulated wires of the auxiliary multi-core cable line are respectively and correspondingly connected with the insulated wires of the main multi-core cable line through the line switching switch module.
The circuit switching module comprises a plurality of two-way switching relays, and the two-way switching relays are used for receiving switching control signals of the circuit control module so as to switch the circuit.
A still further scheme is that one of the two-way switching relay is correspondingly connected with an insulated wire of the main multi-core cable, wherein the input end of the two-way switching relay is connected with the insulated wire of the main multi-core cable, the normally closed output end of the two-way switching relay is connected with the insulated wire of an auxiliary multi-core cable correspondingly connected with the main multi-core cable, and the normally open output end of the two-way switching relay is connected with the insulated wire of another auxiliary multi-core cable correspondingly connected with the main multi-core cable.
According to a further scheme, when a cable line needs to be switched, the two-way switching relay is switched from one auxiliary multi-core cable line to the other auxiliary multi-core cable line by switching the normally-closed output end and the normally-open output end of the two-way switching relay, so that cable channels of the main multi-core cable line and the other auxiliary multi-core cable line are communicated.
The key display unit comprises a key unit and a display unit, and the key unit and the display unit are respectively connected with the multi-channel receiver; the display unit comprises a working state indicator light and an LCD display unit, the working state indicator light is used for matching a preset lamplight color with the working state of the receiving device, the working state of the receiving device is determined according to the lamplight color, and the LCD display unit is used for displaying parameter information, an electromagnetic exploration result and line switching information of the receiving device.
A further scheme is that the multichannel receiver comprises an analog signal conditioning module, an ADC signal acquisition module, an embedded system control module, a storage module and a WIFI module, wherein the analog signal conditioning module is connected with the multichannel wiring terminal, is connected with a differential preamplifier of the receiving electrode sequentially through the main multi-core cable and the auxiliary multi-core cable, amplifies a received weak detection signal, filters high-frequency interference, and converts the weak detection signal into a level matched with an ADC input end; the ADC signal acquisition module starts ADC sampling under the control of the synchronous pulse of the embedded system control module to convert an analog signal into a digital signal, packages the digital signal into a frame and stores the frame into the storage module, wherein the GPS controller is externally connected with a GPS antenna and provides real-time coordinate and time information for the receiving device, and the WIFI module is used for connecting a handheld terminal and setting parameters of the receiving device; the resistance detector is connected to a multi-channel wiring terminal of the multi-channel receiver and used for detecting the current passing through the wiring terminal.
According to a further scheme, the transmitting device comprises a transmitting electrode, a signal controller, a GPS synchronizer and a power cabinet, wherein the signal controller is respectively connected with the GPS synchronizer and the power cabinet, and the transmitting electrode generates an electromagnetic exploration signal under the control of the power cabinet.
Therefore, the utility model discloses the modified system can lay many receipt survey lines simultaneously through the line controller to on the line controller, through the line controller conversion, corresponding survey line is measured in control, reaches the purpose that once wiring was gathered many times, does not need frequent removal receiver, reduces the instrument damage that the removal of receiver brought, uses manpower sparingly, improves work efficiency. Compared with the traditional depth sounding device, the system can test the simultaneous layout of multiple measuring lines, collect in a centralized manner, has high working efficiency, protects instruments and saves cost.
Furthermore, the utility model utilizes the multi-core cable to replace a plurality of common electric wires, the laying mode is simple, the number and the workload of the cable can be reduced, and the working efficiency is further improved; the cable and the electrode wire are connected by a quick connector, so that the plugging and the unplugging are convenient, the falling is not easy, and the waterproof and anti-creeping performance is good; besides the normally used cables, the multi-core cables also comprise spare cables, so that the disconnection caused by the breakage of the inner part of the cable can be prevented, the multi-core cables can be replaced at any time, and repeated construction is not needed.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic diagram of a receiving device in an embodiment of the electromagnetic sounding system with multi-line acquisition according to the present invention.
Fig. 2 is a schematic diagram of an embodiment of the electromagnetic sounding survey system with multiline acquisition according to the present invention.
Fig. 3 is a schematic diagram of an embodiment of the electromagnetic sounding exploration system with multi-line acquisition according to the present invention.
Fig. 4 is a schematic diagram of an embodiment of the multi-line electromagnetic sounding system of the present invention with respect to a line controller.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the utility model relates to an electromagnetic sounding exploration system of multi-line collection, include: the device comprises a transmitting device 10 and a receiving device, wherein the transmitting device 10 is used for transmitting electromagnetic exploration signals to a target exploration area, and the receiving device is arranged in the target exploration area and used for generating potential detection signals based on the electromagnetic exploration signals and outputting electromagnetic exploration results according to the potential detection signals.
In this embodiment, the receiving apparatus includes a plurality of receiving electrodes 21, a multi-channel receiver 22 matched with the receiving electrodes 21, a power supply module 23, a resistance detector 24, a GPS controller 25, a line controller 26, and a key display unit 27, the power supply module 23 provides power for the receiving apparatus, the key display unit 27 sends a key switching signal to the line controller 26, the resistance detector 24 and the GPS controller 25 are respectively connected to the multi-channel receiver 22, two sets of multi-channel connection terminals are built in the multi-channel receiver 22, a first set of multi-channel connection terminals is connected to a first input interface of the line controller 26 through a first main multi-core cable 1, a second set of multi-channel connection terminals is connected to a second input interface of the line controller 26 through a second main multi-core cable 1, a first output interface of the line controller 26 is connected to two sub multi-core cables 2 switched and connected to the first main multi-core cable 1, the second output interface of the line controller 26 is connected to two secondary multi-core cables 2 switched to the second primary multi-core cable 1, and each secondary multi-core cable 2 is connected to a predetermined number of receiving electrodes 21.
Wherein, the electric wire of the receiving electrode 21 is connected to the auxiliary multi-core cable 2 through the quick connector 3;
the line controller 26 is internally provided with a line control module 261 and a line switching switch module 262, the line control module 261 is connected to the power supply module 23, and is configured to control the line switching switch module 262 to perform line switching according to a key switching signal output by the key display unit 27, and the line switching switch module 262 controls to switch cable channels of each main multi-core cable 1 and at least two corresponding sub multi-core cables 2.
In this embodiment, the main multi-core cable 1 contains 8 independent insulated wires, one end of each insulated wire of the main multi-core cable 1 is connected to one connection terminal of the multi-channel receiver 22, and the other end is directly connected to the input interface of the line controller 26.
In this embodiment, the secondary multi-core cable 2 contains 8 independent insulated wires, and the insulated wires of the secondary multi-core cable 2 are respectively connected to the insulated wires of the main multi-core cable 1 through the line switching module 262.
In the present embodiment, the line switching module 262 includes a plurality of two-way switching relays for receiving the switching control signal of the line control module 261 to perform line switching.
A double-circuit switching relay is correspondingly connected with an insulated wire of a main multi-core cable 1, wherein the input end of the double-circuit switching relay is connected with the insulated wire of the main multi-core cable 1, the normally closed output end of the double-circuit switching relay is connected with the insulated wire of an auxiliary multi-core cable 2 correspondingly connected with the main multi-core cable 1, and the normally open output end of the double-circuit switching relay is connected with the insulated wire of another auxiliary multi-core cable 2 correspondingly connected with the main multi-core cable 1.
When the cable line needs to be switched, the two-way switching relay is switched from one auxiliary multi-core cable 2 to the other auxiliary multi-core cable 2 by switching the normally closed output end and the normally open output end of the two-way switching relay, so that the cable channels of the main multi-core cable 1 and the other auxiliary multi-core cable 2 are communicated.
In the present embodiment, the key display unit 27 includes a key unit and a display unit, which are respectively connected to the multichannel receiver 22; the display unit comprises a working state indicator light and an LCD display unit, the working state indicator light is used for matching preset lamplight colors with the working state of the receiving device, the working state of the receiving device is determined according to the lamplight colors, and the LCD display unit is used for displaying parameter information, electromagnetic exploration results and line switching information of the receiving device.
In this embodiment, the multi-channel receiver 22 includes an analog signal conditioning module 31, an ADC signal acquisition module 32, an embedded system control module 33, a storage module 34, and a WIFI module 35, where the analog signal conditioning module 31 is connected to a multi-channel connection terminal, and is connected to a differential preamplifier of the receiving electrode 21 sequentially through the main multi-core cable 1 and the auxiliary multi-core cable 2, and amplifies and high-frequency-interference-filters the received weak detection signal, and converts the weak detection signal into a level matched with an input terminal of the ADC; the ADC signal acquisition module 32 starts ADC sampling under the control of the synchronization pulse of the embedded system control module 33 to convert the analog signal into a digital signal, package the digital signal into a frame, and store the frame in the storage module 34, wherein the GPS controller 25 is externally connected to a GPS antenna to provide real-time coordinates and time information for the receiving device, and the WIFI module 35 is used for connecting a handheld terminal to set parameters of the receiving device; the resistance detector 24 is connected to a multi-channel terminal of the multi-channel receiver 22 for detecting the magnitude of the current through the terminal.
In this embodiment, the transmitting device 10 includes transmitting electrodes a and B, a signal controller 11, a GPS synchronizer 13, and a power cabinet 12, the signal controller 11 is connected to the GPS synchronizer 13 and the power cabinet 12, respectively, and the transmitting electrodes a and B generate electromagnetic survey signals under the control of the power cabinet 12.
Therefore, the utility model discloses the modified system can lay many receipt survey lines simultaneously through line controller 26 to on line controller 26, through line controller 26 conversion, corresponding survey line is measured in control, reaches the purpose that once wiring was gathered many times, does not need frequent mobile receiver, reduces the instrument damage that the removal of receiver brought, uses manpower sparingly, improves work efficiency. Compared with the traditional depth sounding device, the system can test the simultaneous layout of multiple measuring lines, collect in a centralized manner, has high working efficiency, protects instruments and saves cost.
Furthermore, the utility model utilizes the multi-core cable to replace a plurality of common electric wires, the laying mode is simple, the number and the workload of the cable can be reduced, and the working efficiency is further improved; the cable and the electrode wire are connected by the quick connector 3, so that the plugging and the unplugging are convenient, the falling is not easy, and the waterproof and anti-creeping performance is good; besides the normally used cables, the multi-core cables also comprise spare cables, so that the disconnection caused by the breakage of the inner part of the cable can be prevented, the multi-core cables can be replaced at any time, and repeated construction is not needed.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. An electromagnetic sounding survey system with multiline acquisition, comprising:
the device comprises a transmitting device and a receiving device, wherein the transmitting device is used for transmitting an electromagnetic exploration signal to a target exploration area, and the receiving device is arranged in the target exploration area and used for generating a potential detection signal based on the electromagnetic exploration signal and outputting an electromagnetic exploration result according to the potential detection signal;
the receiving device comprises a plurality of receiving electrodes, a multi-channel receiver matched with the receiving electrodes, a power supply module, a resistance detector, a GPS controller, a line controller and a key display unit, wherein the power supply module supplies power to the receiving device, the key display unit sends a key switching signal to the line controller, the resistance detector and the GPS controller are respectively connected with the multi-channel receiver, two groups of multi-channel connecting terminals are arranged in the multi-channel receiver, the first group of multi-channel connecting terminals are connected with a first input interface of the line controller through a first main multi-core cable, the second group of multi-channel connecting terminals are connected with a second input interface of the line controller through a second main multi-core cable, a first output interface of the line controller is connected with two auxiliary multi-core cables which are in switching connection with the first main multi-core cable, a second output interface of the line controller is connected with two auxiliary multi-core cables which are in switching connection with a second main multi-core cable, each auxiliary multi-core cable is respectively connected with a preset number of receiving electrodes, and electric wires of the receiving electrodes are connected to the auxiliary multi-core cables through quick connectors;
the line controller is internally provided with a line control module and a line switching switch module, the line control module is connected with the power supply module and used for controlling the line switching switch module to switch lines according to a key switching signal output by the key display unit, and the line switching switch module controls and switches cable channels of each main multi-core cable and at least two auxiliary multi-core cables corresponding to the main multi-core cable.
2. The multiline acquisition electromagnetic sounding system of claim 1, wherein:
the main multi-core cable is internally provided with 8 independent insulated wires, one end of each insulated wire of the main multi-core cable is connected with one wiring terminal of the multi-channel receiver, and the other end of each insulated wire of the main multi-core cable is directly connected with the input interface of the line controller.
3. The multiline acquisition electromagnetic sounding system of claim 2, wherein:
the auxiliary multi-core cable comprises 8 independent insulated wires, and the insulated wires of the auxiliary multi-core cable are correspondingly connected with the insulated wires of the main multi-core cable through the line switching switch module.
4. The multiline acquisition electromagnetic sounding system of claim 3, wherein:
the circuit switching switch module comprises a plurality of double-path switching relays, and the double-path switching relays are used for receiving switching control signals of the circuit control module so as to switch circuits.
5. The multiline acquisition electromagnetic sounding system of claim 4, wherein:
one the double-circuit switching relay with an insulated wire of main multicore cable line corresponds the connection, wherein, the input of double-circuit switching relay with the insulated wire of main multicore cable line is connected, the normally closed output of double-circuit switching relay with the insulated wire of an auxiliary multicore cable line that main multicore cable line corresponds the connection is connected, the normally open output of double-circuit switching relay with the insulated wire of another auxiliary multicore cable line that main multicore cable line corresponds the connection is connected.
6. The multiline acquisition electromagnetic sounding system of claim 5, wherein:
when the cable line needs to be switched, the two-way switching relay is switched from one auxiliary multi-core cable line to the other auxiliary multi-core cable line by switching the normally closed output end and the normally open output end of the two-way switching relay, so that the cable channels of the main multi-core cable line and the other auxiliary multi-core cable line are communicated.
7. An electromagnetic sounding system with multiline acquisition according to any one of claims 1 to 6, wherein:
the key display unit comprises a key unit and a display unit, and the key unit and the display unit are respectively connected with the multi-channel receiver; the display unit comprises a working state indicator light and an LCD display unit, the working state indicator light is used for matching preset lamplight colors with the working state of the receiving device and determining the working state of the receiving device according to the lamplight colors, and the LCD display unit is used for displaying parameter information, electromagnetic exploration results and line switching information of the receiving device.
8. An electromagnetic sounding system with multiline acquisition according to any one of claims 1 to 6, wherein:
the multichannel receiver comprises an analog signal conditioning module, an ADC signal acquisition module, an embedded system control module, a storage module and a WIFI module, wherein the analog signal conditioning module is connected with the multichannel wiring terminal, is connected with a differential preamplifier of the receiving electrode sequentially through the main multi-core cable and the auxiliary multi-core cable, amplifies a received weak detection signal, filters high-frequency interference, and converts the weak detection signal into a level matched with an ADC input end; the ADC signal acquisition module starts ADC sampling under the control of the synchronous pulse of the embedded system control module to convert an analog signal into a digital signal, packages the digital signal into a frame and stores the frame into the storage module, wherein the GPS controller is externally connected with a GPS antenna and provides real-time coordinate and time information for the receiving device, and the WIFI module is used for connecting a handheld terminal and setting parameters of the receiving device; the resistance detector is connected to a multi-channel wiring terminal of the multi-channel receiver and used for detecting the current passing through the wiring terminal.
9. An electromagnetic sounding system with multiline acquisition according to any one of claims 1 to 6, wherein:
the transmitting device comprises a transmitting electrode, a signal controller, a GPS synchronizer and a power cabinet, wherein the signal controller is respectively connected with the GPS synchronizer and the power cabinet, and the transmitting electrode generates an electromagnetic exploration signal under the control of the power cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221330330.3U CN217506150U (en) | 2022-05-30 | 2022-05-30 | Multi-line acquisition electromagnetic sounding exploration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221330330.3U CN217506150U (en) | 2022-05-30 | 2022-05-30 | Multi-line acquisition electromagnetic sounding exploration system |
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| CN217506150U true CN217506150U (en) | 2022-09-27 |
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| CN202221330330.3U Active CN217506150U (en) | 2022-05-30 | 2022-05-30 | Multi-line acquisition electromagnetic sounding exploration system |
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- 2022-05-30 CN CN202221330330.3U patent/CN217506150U/en active Active
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