CN210982749U - Grouped high-power intelligent electric spark source - Google Patents

Abstract

The utility model provides a high-power intelligent electric spark focus of grouping formula, including electrical power generating system, a plurality of electric spark focuses, control system and host computer, electrical power generating system respectively with a plurality of electric spark focuses are connected, a plurality of electric spark focuses are used for launching the earthquake ripples, each electric spark focus includes accumulator, high-voltage switch and the discharge probe that loops through the transmission cable connection, the discharge probe includes a plurality of excitation electrodes; the upper computer is used for sending a control instruction to the control system, and the control system is used for transmitting signals between the plurality of electric spark sources and the upper computer. The utility model provides an electric spark focus adopts grouping formula energy storage and the synchronous excitation of multielectrode, can arouse the energy and can reach 800KJ the highest, effectively solves current electric spark focus because of arousing the energy and not enough leading to the limited defect of depth of penetration, satisfies the needs of deep sea exploration, the deep resource exploration of earth and exploitation.

Description

Grouped high-power intelligent electric spark source

Technical Field

The utility model belongs to the technical field of geophysical exploration, in particular to high-power intelligent electric spark focus of packet mode.

Background

At present, the high-power seismic sources commonly used in oil exploration comprise a controllable seismic source, an air gun seismic source, an explosive seismic source, an electric spark seismic source and the like. Compared with other seismic sources, the electric spark seismic source has the characteristics of simple structure, small volume, light weight, safety, easiness in energy control and adjustment, wide frequency band of excited seismic waves, accurate excitation time, high construction efficiency, small explosion hazard, no pollution and the like, is very suitable for various field complex environments such as mountainous regions, shoals, mudflats, small rivers and the like, and is widely applied to the fields of geological exploration and oil exploration and exploitation. The working principle of the electric spark seismic source is that after a high-voltage energy storage capacitor bank is used for charging and storing energy, a special high-voltage ignition switch is switched on, so that the energy stored on the capacitor is instantly added to a water gap of a discharge electrode through a discharge cable, the gap is broken down (namely, discharged), and the stored energy is released in the discharge gap in a strong pulse current mode at a very short moment (microsecond level) to generate strong impact pressure waves.

In recent years, electric spark sources have become hot spots for researchers at home and abroad. However, the conventional successfully developed electric spark seismic sources generally have weak energy, for example, the ocean electric spark seismic sources of electricians in the academy of Chinese sciences store 20-40 kilojoules at maximum, and the working voltage is 5 kilovolts; the energy of a land electric spark seismic source of an electrician institute of the Chinese academy of sciences is 150 kilo joules, and the working voltage is direct current 15 kilo volts; nash electric spark seismic source energy is 15-60 kilojoules, and the working voltage is 20 kilovolts of direct current. At present, no report related to extra-high power electric spark sources above 400KJ is available.

However, resources such as reserves, oil and gas and the like, which are discovered in China, are generally small in unit area reserves and deep in burial, a large amount of old oil fields are exploited for many years, reserves, oil and gas mineral resources are gradually reduced, some oil and gas mineral resources are even nearly exhausted, the exploitation depth and difficulty are increased rapidly, and the existing oil and gas exploration and development technology and equipment are moved from the land to the ocean and from the shallow sea to the deep sea. Based on the current situation, the existing electric spark seismic source equipment has limited penetration depth due to insufficient excitation energy, and cannot meet the requirements of deep sea exploration, exploration and exploitation of deep resources of the earth. Therefore, it is necessary to develop an ultra-high power spark source with sufficient excitation energy and penetration depth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-power intelligent electric spark focus of packet type aims at solving among the prior art electric spark focus excitation energy not enough, the limited technical problem of penetration depth.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the grouped high-power intelligent electric spark sources comprise a power supply system, a plurality of electric spark sources, a control system and an upper computer, wherein the power supply system is respectively connected with the plurality of electric spark sources, the plurality of electric spark sources are used for emitting seismic waves, each electric spark source comprises a plurality of groups of energy accumulators, a high-voltage switch and a discharge probe which are sequentially connected through an emission cable, and the discharge probe comprises a plurality of excitation electrodes; the upper computer is used for sending a control instruction to the control system, and the control system is used for transmitting signals between the plurality of electric spark sources and the upper computer;

still include main control box, central control case and energy storage control box, main control box passes through the control line with the central control case and is connected, the energy storage control box is connected to the central control case through quick-operation joint and carries out the charge-discharge, control system sets up in the main control case, electrical power generating system and high-voltage switch set up in the central control case, the energy storage ware sets up in the energy storage control case.

In order to avoid live-line operation and ensure the safety of operators, further, an electric quantity display meter is further arranged on the energy storage control box and used for displaying the voltage value of the energy storage device in real time.

Furthermore, the energy storage of each group of the energy storage devices is 100-200 KJ.

Furthermore, the excitation electrode comprises a cylindrical body, a boss is further arranged on the cylindrical body, the shell of the cylindrical body is the positive electrode of the excitation electrode, the center of the boss is the negative electrode of the excitation electrode, and an insulating layer is arranged between the positive electrode and the negative electrode; and a trigger optical fiber is also arranged in the insulating layer.

Furthermore, a plurality of excitation electrode evenly distributed is on first support, first support includes platform and a plurality of stand, excitation electrode evenly sets up on the platform, and is a plurality of the stand is fixed to be set up in the platform bottom for supporting platform, still be provided with optic fibre trigger probe on the platform.

Furthermore, the excitation electrode further comprises a fish towing device, and the fish towing device is fixedly connected with the platform.

Further, the power supply system comprises a generator, a high-voltage charging power supply and an automatic current balancing system; the generator generates alternating current, the alternating current is converted into high-voltage direct current through the high-voltage charging power supply to charge the plurality of electric spark seismic sources, and the current automatic balancing system is used for balancing and synchronously discharging the energy storage.

Furthermore, a high-voltage detection module is also arranged in the high-voltage charging power supply and is used for protecting the safety of the high-voltage charging power supply in real time; the energy accumulator is connected with the high-voltage charging power supply and used for storing the high-voltage direct current transmitted by the high-voltage charging power supply.

Further, an overvoltage protection control system is further arranged in the central control box and used for providing electric leakage, short circuit, overcurrent and emergency power-off protection when the voltage of the power supply system exceeds the safe voltage.

Furthermore, the control system is a P L C monitoring control system, and the high-voltage switch is a vacuum contactor.

The utility model provides a big power intelligent electric spark focus of grouping formula's beneficial effect lies in:

the electric spark seismic source provided by the utility model adopts grouping energy storage, the energy storage size is convenient to adjust, the practicality of other grouping energy storage is not influenced when a certain group of energy storage fails, and the fault tolerance of the system is improved; the utility model discloses a many excitation electrodes arouse in step, can arouse the energy and can reach 800KJ the highest, solved single electrode excitation energy release bottleneck, promoted energy conversion efficiency, arouse energy and hand over single probe and have and promote by a wide margin, adopt the multielectrode to arouse, reduce the electrode ablation spoilage, promote the life who arouses the electrode by a wide margin.

The utility model adopts a plurality of high-voltage switches to discharge, the through-current capacity of the switches is strong, and the stability and reliability of the system are improved; and simultaneously, the utility model discloses a control system can certain high tension switchgear of independent control discharge alone arouses, perhaps all high tension switchgear of simultaneous control discharge in step arouses, perhaps discharges according to certain chronogenesis and arouses, has promoted detection efficiency, adapts to more application scenes.

The utility model provides an electric spark focus supports ground excitation mode and drag on water and arouses the mode, is applicable to ground and seismic exploration on water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the structure block diagram of the grouped high-power intelligent electric spark source of the utility model.

Fig. 2 is the structure block diagram of the box body in the grouping type high-power intelligent electric spark source of the utility model.

Fig. 3 is the structure diagram of the grouped high-power intelligent electric spark source of the present invention.

Fig. 4 is the structural schematic diagram of the energy storage control box in the grouped high-power intelligent electric spark source of the utility model.

Fig. 5 is a schematic diagram of the structure of the excitation electrode in the grouped high-power intelligent electric spark source of the present invention.

Fig. 6 is a schematic diagram of the ground excitation electrode structure of the grouped high-power intelligent electric spark source of the present invention.

Fig. 7 is the utility model discloses a big power intelligent electric spark seismic source's of grouping formula excitation electrode structure on water schematic diagram.

Fig. 8 is a schematic structural diagram of the vacuum contactor of the grouped high-power intelligent electric spark source of the present invention.

The designations in the figures mean:

1-a power supply system, 100-a generator, 200-a high-voltage charging power supply, 300-a current automatic balancing system, 2-an electric spark source, 21-an energy accumulator, 22-a high-voltage switch, 221-a second bracket, 222-a high-voltage wiring terminal, 2221-a first high-voltage wiring terminal, 2222-a second high-voltage wiring terminal, 223-a control wiring terminal, 23-a discharge probe, 3-a control system, 4-an upper computer, 5-a transmitting cable, 6-an exciting electrode, 61-a cylindrical body, 62-a boss, 63-an insulating layer, 7-a main control box, 8-a central control box, 9-an energy storage control box, 91-an electric quantity display meter, 10-a first bracket, 101-a platform, 102-a stand column and 11-a fiber optic trigger probe, 12-fish dragging, 13-overvoltage protection control system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It is to be understood that the terms "upper", "lower", "left", "right", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of this patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1-3, an embodiment of the present invention provides a grouped high-power intelligent electric spark source, including a power supply system 1, a plurality of electric spark sources 2, a control system 3 and an upper computer 4, where the power supply system 1 is connected with the plurality of electric spark sources 2 respectively, the plurality of electric spark sources 2 are used to emit seismic waves, each electric spark source 2 includes a plurality of groups of energy storages 21, a high-voltage switch 22 and a discharge probe 23 connected in sequence through a transmission cable 5, and the discharge probe 23 includes a plurality of excitation electrodes 6; the upper computer 4 is used for sending a control instruction to the control system 3, and the control system 3 is used for transmitting signals between the plurality of electric spark seismic sources 2 and the upper computer 4;

still include main control box 7, central control box 8 and energy storage control box 9, main control box 7 passes through the control line with central control box 8 and is connected, and energy storage control box 9 is connected to central control box 8 through quick-operation joint and carries out the charge-discharge, and control system 3 sets up in main control box 7, and electrical power generating system 1 and high-voltage switch 22 set up in central control box 8, and multiunit accumulator 21 sets up in energy storage control box 9.

It should be noted that the main control box 7, the central control box 8, the energy storage control box 9 and the like in the embodiment all adopt insulating engineering boxes, and have the characteristics of impact resistance, dust resistance, long service life, difficult aging, high insulating property and the like, and the box bodies can be provided with stop grooves at the upper and lower parts, so that the stacking is convenient, and the vehicle-mounted fixation is easy; meanwhile, the connecting line between the box bodies also adopts a connector with a lock catch, so that the connection is reliable, the high-voltage interface has no dew point, and the safety problem and other faults caused by poor contact are avoided.

It should be noted that in this embodiment, the upper computer 4 adopts a siemens touch display screen, human-computer interaction software is further provided inside the upper computer 4, the upper computer 4 is supplied with power by low-voltage direct current, and an operator can control charging and discharging of the electric spark seismic source 2 through a host software interface to monitor the working state of the whole system.

It should be noted that, in this embodiment, the transmitting cable 5 is a special coaxial cable, which has low interference, high voltage resistance and good tensile strength.

The multi-excitation-electrode synchronous excitation device has the advantages that the multi-excitation-electrode synchronous excitation is adopted, the highest excitable energy can reach 800KJ, the single-electrode excitation energy release bottleneck is solved, the energy conversion efficiency is improved, the excitation energy exchange probe is greatly improved, the multi-electrode excitation is adopted, the electrode ablation damage rate is reduced, and the service life of the excitation electrode 6 is greatly prolonged.

As shown in fig. 4, as a further preferred embodiment of the present invention, the energy storage control box 9 is further provided with an electric quantity display meter 91 for displaying the voltage value of the energy storage 21 in real time. Adopt electric quantity display meter 91 can show the magnitude of voltage in energy storage control box 9 in real time, avoid live working, guarantee operating personnel safety.

In an embodiment of the present invention, the energy storage of each group of energy storage devices 21 is 100-200 KJ. The energy storage devices 21 of the embodiment adopt high-voltage-resistant thin-film capacitors, and have the characteristics of high energy storage density, no polarity, high voltage resistance, reusability, long service life and the like, the maximum transmission voltage of each group of energy storage devices 21 is 12KV, the energy storage amount is 100KJ, and an expansion interface is further provided, so that the energy storage amount of each group of energy storage devices 21 can be expanded, and can be expanded to 200KJ to the maximum extent. In this embodiment, the energy storage devices 21 are four groups, and the energy storage capacity of the whole system can be increased to 800 KJ.

It should be noted that the utility model provides an electric spark focus adopts grouping formula energy storage, and the convenient regulation of energy storage size does not influence the practicality of other grouping energy storage when certain a set of energy storage breaks down, has promoted the fault tolerance of system.

As shown in fig. 5, as a further preferred embodiment of the present invention, the excitation electrode 6 includes a cylindrical body 61, a boss 62 is further disposed on the cylindrical body 61, a shell of the cylindrical body 61 is a positive electrode of the excitation electrode 6, a center of the boss 62 is a negative electrode of the excitation electrode 6, and an insulating layer 63 is disposed between the positive electrode and the negative electrode; also disposed within the insulating layer 63 is a trigger fiber 64. In this embodiment, the excitation electrode 6 is made of high temperature resistant, wear resistant, and corrosion resistant tungsten copper material, and the insulating layer 63 is made of light-transmitting polyurethane material and is provided with a built-in photosensitive device.

In a specific embodiment of the present invention, as shown in fig. 6, a schematic structural view of the excitation electrode 6 is suitable for the ground, the excitation electrodes 6 are uniformly distributed on the first support 10, the first support 10 includes a platform 101 and a plurality of columns 102, the excitation electrodes 6 are uniformly arranged on the platform 101, and the columns 102 are fixedly arranged at the bottom of the platform 101 for supporting the platform 101; the platform 101 is also provided with a fiber triggering probe 11. In this embodiment, four upright posts 102 are uniformly distributed at the bottom of the platform 101.

In the embodiment, the number of the excitation electrodes 6 is preferably four, so that the conversion efficiency is greatly improved compared with that of the traditional single electrode excitation energy, the frequency band range of the excited signal is wider, the ablation abrasion of a plurality of electrodes is less, the service life is longer, and the system is more stable; the optical fiber trigger probe 11 is additionally arranged in the four excitation electrodes 6, when electric sparks generate electric arcs, the built-in photosensitive devices and the built-in trigger probe can sense optical signals to serve as trigger signals, the optical signals are transmitted to a seismograph through an optical fiber technology to carry out data acquisition, the triggering time is accurate, zero delay of external trigger signals is achieved, meanwhile, high-voltage electromagnetic interference is completely avoided, and false triggering is prevented.

In a specific embodiment of the present invention, as shown in fig. 7, the structure of the excitation electrode 6 is suitable for use on water, and compared with the structure of the discharge probe 23 suitable for use on the ground, the excitation electrode 6 of the present embodiment further includes a fish towing 12, the fish towing 12 is connected with the platform 101 through a rope or a chain, and the length of the rope or the chain can be adjusted according to actual conditions.

As a further preference of the present embodiment, the power supply system 1 includes a generator 100, a high-voltage charging power supply 200, and an automatic current equalization system 300; the generator 100 generates ac power, the ac power is converted into high voltage dc power by the high voltage charging power supply 200 to charge a plurality of electric spark sources, and the current automatic balancing system 300 is used for balanced and synchronous charging and discharging of the energy storage 21.

It should be noted that, the high-voltage charging power supply 200 in the power supply system 1 is charged by a constant-current charging method, so that the output voltage of the power supply can be quickly increased to 10KV, the charging voltage is controlled by the length of the charging time, and the danger of the charging voltage being too high can be prevented by controlling the time; the automatic current balancing system 300 can achieve balanced and synchronous charging and discharging of the plurality of groups of energy storages 21, is large in charging and discharging current and high in efficiency, enables the voltage to rise at a constant speed, and can control the charging voltage according to the charging time.

In an embodiment of the present invention, a high voltage detection module (not shown in the drawings) is further disposed in the high voltage charging power supply 200 for protecting the safety of the high voltage charging power supply 200 in real time; the energy storage 21 is connected to the high-voltage charging power supply 200 and is configured to store the high-voltage direct current transmitted by the high-voltage charging power supply 200. The utility model discloses can utilize the signal analysis who feeds back to the high-pressure monitoring module to handle the safety of real-time protection high voltage power supply.

As a further preferred feature of this embodiment, an overvoltage protection control system 13 is further disposed in the central control box 8, and the overvoltage protection control system 13 is used for providing protection against electric leakage, short circuit, overcurrent and emergency power failure when the voltage of the power supply system 1 exceeds a safe voltage. The overvoltage protection control system 13 of this embodiment is an overvoltage protector, prevents that voltage from exceeding safe voltage, and simultaneously still provides earth leakage protection, short-circuit protection, and multiple protections such as overcurrent protection, emergency power-off can implement to power supply, electric leakage overcurrent monitoring to main control circuit, play the safety protection effect to whole system.

As a further optimization of this embodiment, the control system 3 is a P L C monitoring control system, the control system 3 in this embodiment adopts a P L C control technology to perform intelligence, and can provide multiple control excitation modes, for example, the control system 3 can control any one group of energy storages 21 to charge, and control any one high-voltage switch 22 to close, so as to realize single-electrode mode excitation, and can also control multiple groups of energy storages 21 to charge in an equalizing manner, and control multiple groups of high-voltage switches 22 to close, so as to realize synchronous excitation of multiple excitation electrodes 6 in a combined mode, and even control multiple groups of energy storages 21, and multiple groups of high-voltage switches 22 to close according to a certain time sequence, and multiple excitation electrodes 6 are excited at certain time intervals, thereby improving detection efficiency and adapting to more application scenarios.

It should be noted that, the control system 3 arranged in the main control box 7 in this embodiment is connected to the central control box 8 through a control line, the main control box 7 is provided with supporting software, and through touch liquid crystal screen display and operation, the real-time dynamic voltage of the power supply voltage and the energy storage control box 9 can be displayed on the operation panel, the touch screen operation can complete self-checking, parameter setting, charging and launching of the electric spark seismic source system, meanwhile, the main control box 7 can monitor the system running state, and can give an alarm in real time to system faults, and low-voltage direct current power supply is adopted, so that the safety of operators is guaranteed.

In a further preferred embodiment, the high-voltage switch 22 is a vacuum contactor. In the embodiment, the contact material of the vacuum contactor adopts the Cu-W-Wc which is wear-resistant and has a low interception value, so that under the condition of meeting the cut-off performance, the overvoltage caused by interception in the cut-off process is reduced, and the service life of a vacuum switch tube is prolonged; and the switch contact is totally enclosed in the vacuum chamber, the high-voltage contact is prevented from being easily broken down under a high-voltage state and being not separated after an electric arc is generated, and the control is easy. The vacuum contactor of the embodiment has the characteristics of strong arc quenching capability, good pressure resistance, higher operating frequency, long service life, no arc spraying, small volume, light weight and the like, and is very suitable for high-voltage discharge of electric sparks.

It should be noted that, as shown in fig. 8, the vacuum contactor of the present embodiment is a four-way vacuum contactor, and the four-way vacuum contactor adopts a parallel driving manner, and can be simultaneously closed or simultaneously opened; the four-way vacuum contactor of the embodiment is fixedly arranged in the central control box 8 through the second support 221, the four-way vacuum contactor comprises a high-voltage wiring terminal 222 and a control wiring terminal 223, the high-voltage wiring terminal comprises a first high-voltage wiring terminal 2221 and a second high-voltage wiring terminal 2222, the control wiring terminal 223 is used for being connected with a power supply and controlling the high-voltage wiring terminal 222 to be closed, and when the control wiring terminal 223 is connected with the power supply, the high-voltage wiring terminal 222 is controlled to be closed instantly, so that a high-voltage discharge loop of the system is connected and excited instantly; when the control terminal 223 is disconnected from the supply, the high-voltage discharge circuit of the system is disconnected. In addition, the control terminal 223 in the four-way vacuum contactor of the embodiment adopts a permanent magnet switch controller, and controls the closing and opening of the brake to be closed and opened through magnetic attraction when the power supply is switched on, and controls the closing and opening of the brake to be opened when the power supply is switched off.

The working process of the grouped high-power intelligent electric spark source provided by the embodiment is as follows:

taking ground seismic exploration as an example, before an electric spark seismic source works, the geophones are arranged on the ground or underground, the geophones are connected with a data channel interface of the seismometer, then a water pit with the length of about 1.5 meters by 1.5 meters is dug on site, the discharge probe 23 is placed in the water pit, and the four upright posts 102 of the first support 10 are fixed through ropes to prevent the discharge probe 23 from toppling over in the water pit. And a plurality of optical fiber trigger signal wires on the optical fiber trigger probe 11 are connected to an external trigger interface of the seismic data acquisition instrument.

As shown in fig. 3, four groups of energy storage control boxes 9 with built-in energy storage devices 21 are respectively connected to a central control box 8, four excitation electrodes 6 of a discharge probe 23 are connected to the central control box 8 through a transmitting cable 5, then an upper computer 4 is connected to the central control box 8, and the four excitation electrodes 6 are fixed on a first bracket 10.

As shown in figure 1, all functions of a P L C monitoring control system 3 of the electric spark source can be realized through an upper computer 4, when the device works, a central control box 8 is connected with a power supply 220V alternating current input, the central control box 8 is started, the upper computer 4 is started to enter an operation software interface, system self-checking is firstly carried out to check whether each control system 3 works normally, parameters are set after the system works normally, charging voltage of an energy storage control box 9 is set according to excitation energy required by exploration at this time, four groups of energy storages 21 are charged by a high-voltage constant current power supply after the input 220V alternating current is boosted, an automatic current balancing system 300 ensures that the energy storage control boxes 9 are charged in a balanced mode, the four groups of energy storages 21 are charged to the set voltage or set time, the charging stops automatically, a high-voltage switch 22 is controlled to be closed through the upper computer 4, energy stored in the four groups of energy storages 21 is released instantly through a discharge probe 23 and converted into strong impact seismic waves, seismic wave signals are arranged on the ground or received by a seismic.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the invention.

Claims (10)

1. The grouped high-power intelligent electric spark sources are characterized by comprising a power supply system, a plurality of electric spark sources, a control system and an upper computer, wherein the power supply system is respectively connected with the plurality of electric spark sources, the plurality of electric spark sources are used for emitting seismic waves, each electric spark source comprises a plurality of groups of energy accumulators, high-voltage switches and discharge probes which are sequentially connected through an emission cable, and each discharge probe comprises a plurality of excitation electrodes; the upper computer is used for sending a control instruction to the control system, and the control system is used for transmitting signals between the plurality of electric spark sources and the upper computer;

still include main control box, central control case and energy storage control box, main control box passes through the control line with the central control case and is connected, the energy storage control box is connected to the central control case through quick-operation joint and carries out the charge-discharge, control system sets up in the main control case, electrical power generating system and high tension switchgear set up in the central control case, the multiunit the energy storage ware sets up in the energy storage control case.

2. The grouped high-power intelligent electric spark source according to claim 1, wherein the energy storage control box is further provided with an electric quantity display meter for displaying the voltage value of the energy storage in real time.

3. The grouped high-power intelligent electric spark seismic source according to claim 2, wherein the energy storage of each group of the energy storage devices is 100-200 KJ.

4. The grouped high-power intelligent electric spark source according to claim 1, wherein the excitation electrode comprises a cylinder, a boss is further disposed on the cylinder, the cylindrical shell is a positive electrode of the excitation electrode, the center of the boss is a negative electrode of the excitation electrode, and an insulating layer is disposed between the positive electrode and the negative electrode; and a trigger optical fiber is also arranged in the insulating layer.

5. The grouped high-power intelligent electric spark source according to claim 4, wherein the plurality of excitation electrodes are uniformly distributed on a first bracket, the first bracket comprises a platform and a plurality of columns, the excitation electrodes are uniformly arranged on the platform, and the plurality of columns are fixedly arranged at the bottom of the platform and used for supporting the platform; the platform is also provided with an optical fiber trigger probe.

6. The clustered high power intelligent electric spark seismic source of claim 5, wherein said excitation electrode further comprises a fish, said fish being fixedly attached to said platform.

7. The grouped high-power intelligent electric spark seismic source according to claim 1, wherein the power supply system comprises a generator, a high-voltage charging power supply and an automatic current equalization system; the generator generates alternating current, the alternating current is converted into high-voltage direct current through the high-voltage charging power supply to charge the plurality of electric spark seismic sources, and the current automatic balancing system is used for balancing and synchronously discharging the energy storage.

8. The grouped high-power intelligent electric spark source according to claim 7, wherein the high-voltage charging power supply is further provided with a high-voltage detection module for protecting the safety of the high-voltage charging power supply in real time; the energy accumulator is connected with the high-voltage charging power supply and used for storing the high-voltage direct current transmitted by the high-voltage charging power supply.

9. The grouped high-power intelligent electric spark source according to any one of claims 1 to 8, wherein an overvoltage protection control system is further arranged in the central control box, and the overvoltage protection control system is used for providing leakage, short circuit, overcurrent and emergency power-off protection when the voltage of a power supply system exceeds a safe voltage.

10. The grouped high-power intelligent electric spark seismic source of claim 9, wherein the control system is a P L C monitoring control system, and the high-voltage switch is a vacuum contactor.

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