CN204496015U - A kind of controllable electric spark type elastic wave seismic source apparatus - Google Patents
A kind of controllable electric spark type elastic wave seismic source apparatus Download PDFInfo
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- CN204496015U CN204496015U CN201520216834.6U CN201520216834U CN204496015U CN 204496015 U CN204496015 U CN 204496015U CN 201520216834 U CN201520216834 U CN 201520216834U CN 204496015 U CN204496015 U CN 204496015U
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Abstract
The utility model discloses a kind of controllable electric spark type elastic wave seismic source apparatus, 220V alternator power supply controls cabinet by cable and focus and is connected, focus is controlled cabinet and is connected with the sparking electrode in ground hole by cable, control to arrange discharging electrode interface, thyristor charge/discharge control circuit, overbottom pressure clear circuit, focus kernel control module, energy-storage capacitor group, voltage multiplying rectifier booster circuit, step-up transformer and 220V AC power interface in cabinet at focus, control cabinet is equipped with guidance panel at focus.Guidance panel arranges power switch, 220V power input interface, overbottom pressure clearing button, High voltage output interface, key panel and liquid crystal display.The utility model integrated level is high, and seismic source energy is controlled, the elastic wave seismic source apparatus that this elastic wave focus is a kind of high-power, small size, convenience is mobile, simple to operate, work safety is reliable and stable.
Description
Technical field
The utility model relates to geophysical exploration technology, particularly a kind of controllable electric spark type elastic wave seismic source apparatus.
Background technology
In geophysical exploration method, elastic wave tomography is conventional method of exploration, the sound wave that its Elastic Wave wave source equipment provides energy abundance, pulse width narrow for crosshole seismic chromatograph, this pulsed sound is propagated and is finally detected device detection in geology, realizes signals collecting.At present, conventional in geologic prospecting process wave source has explosive source, air gun source, hammering focus, sparker source.Explosive source has the advantages such as energy is large, frequency richness, but has destructive and certain danger to environment.Air gun source is usually used in constructing in ocean deepwater, is not suitable for land and mountain exploitation.Sparker source by charging to Capacitor banks, then carries out instantaneous discharge by sparking electrode, produces shock wave, such focal volume is little, energy is large, be suitable for field work.
Early sixties, the U.S. starts to develop sparker source.1966, Miller achieved ground electric spark-chock origin patent.The eighties in 20th century, Barbier develops the coding sparker source of seafari.Chinese Academy of Sciences electrician institute 1975 and Daqing oil field cooperation, development sparker source, put into production to the nineties.Due to the advantage of sparker source, make it all be used widely in VSP well logging, Crosshole Seismic Tomography, vibrating oil production and engineering exploration etc., have a better effect.At present, the energy grade of sparker source is from 500J to 1WJ.But these products all can not take into account the request for utilization of multiple energy level simultaneously, the present invention realizes the control to seismic source energy by focus kernel control module, simultaneously ceiling capacity grade can reach 3WJ, have high-power, small size, convenient movement, energy-controllable, simple to operate, be convenient to the advantages such as field work.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of controllable electric spark type elastic wave seismic source apparatus.
For achieving the above object, a kind of controllable electric spark type elastic wave seismic source apparatus that the utility model provides, its primary structure is:
One end is that focus controls cabinet; One end is high pressure pulse discharge electrode; Focus controls cabinet and is connected with adopting discharge cable between pulse discharge electrode.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein sparking electrode is metal shell, and inside is provided with high-field electrode, and encapsulating insulation isolation between two electrodes, electrode tip adopts copper-tungsten to be welded.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein stube cable is coaxial high pressure cable.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein focus control cabinet inside is made up of discharging electrode interface, thyristor charge/discharge control circuit, overbottom pressure clear circuit, focus kernel control module, energy-storage capacitor group, voltage multiplying rectifier booster circuit, step-up transformer, 220V AC power interface and guidance panel.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein focus kernel control module is made up of Cortex M3 ARM microcontroller and circuit thereof, and major function is by the discharge and recharge of Control Capacitor banks, and liquid crystal display shows, button operation etc.Focus kernel control module increases metal electric magnetic shielding protective cover, makes this circuit module stable operation.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, all electric capacity in voltage doubling rectifing circuit are wherein fixed on metal aluminum sheet, and dispel the heat at electric capacity and aluminium sheet contact position placement silica gel.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein energy-storage capacitor group is by 10 450V/330000uF, and the capacitor of volume 95mm*110mm is in series.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein overbottom pressure clear circuit uses low resistance wattage ceramic resistance composition, controls cut-offfing of overbottom pressure clear circuit loop by focus kernel control module.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein focus control cabinet uses insulating glass fibers plate high-tension circuit and guidance panel to be kept apart, and only reserves liquid crystal display, operation push-button, electrode interface and power interface, ensures handling safety.
Described a kind of controllable electric spark type elastic wave seismic source apparatus, wherein focus controls boosting energy storage and the discharge control system that cabinet is focus.As shown in Figure 2, outside 220V power supply enters cabinet by 220V AC power interface, first time boosting is carried out through transformer, boost to 400V, this 400V electric current is connected to voltage doubling rectifing circuit boost further, voltage is risen to nearly 4KV, then charging energy-storing is carried out to the energy-storage capacitor group of series connection.Capacitor banks energy reaches setting value and disconnects booster circuit power supply by focus kernel control module.When electrode discharge, focus kernel control module gives thyristor charge/discharge control circuit pulse of series connection, and make thyristor produce conduction pulses, capacitor bank voltage is sent to sparking electrode two ends by cable.Sparking electrode two ends produce high pressure and break up medium formation loop, produce electric arc, the liquid medium of surrounding them is gasified rapidly during high pressure instantaneous discharge, form High Temperature High Pressure region, thus produce shock wave, form elastic wave focus.
The excitation energy of focus depends on the electric capacity of high-voltage capacitor and the high tension voltage on acting on, and namely excitation energy is:
Wherein, being excitation energy, is equivalent capacity capacitive reactance, is single electric capacity capacitive reactance, is series capacitance number, for acting on the voltage on electric capacity.
The duration of charging of corresponding energy is determined by Capacitor banks both end voltage, and the duration of charging is:
Wherein, be the charging voltage that voltage multiplying rectifier booster circuit exports, being charge circuit equivalent resistance, is charge circuit electric current, is time when condenser voltage reaches, and is the voltage that capacitor expection energy is corresponding.
Duration of charging corresponding to different-energy size can be calculated according to formula 1-1,1-2,1-3,1-4, in debug process, be modified to the energy actual corresponding duration of charging by the mode of software compensation.
Formation of the present utility model: a kind of controllable electric spark type elastic wave seismic source apparatus, by 220V alternator power supply, focus controls cabinet, cable, sparking electrode, discharging electrode interface, thyristor charge/discharge control circuit, overbottom pressure clear circuit, focus kernel control module, energy-storage capacitor group, voltage multiplying rectifier booster circuit, step-up transformer, 220V AC power interface and guidance panel composition, it is characterized in that: 220V alternator power supply controls cabinet by cable and focus and is connected, focus is controlled cabinet and is connected with the sparking electrode in ground hole by cable, control to arrange discharging electrode interface in cabinet at focus, thyristor charge/discharge control circuit, overbottom pressure clear circuit, focus kernel control module, energy-storage capacitor group, voltage multiplying rectifier booster circuit, step-up transformer and 220V AC power interface, control cabinet is equipped with guidance panel at focus.
Guidance panel arranges power switch, 220V power input interface, overbottom pressure clearing button, High voltage output interface, key panel and liquid crystal display.
Focus controls, in cabinet (2), focus kernel control module increases metal electric magnetic shielding protective cover.
Focus controls energy-storage capacitor group and guidance panel to be kept apart by insulating glass fibers plate in cabinet.
Compared with prior art, the utility model has the following advantages and beneficial effect:
1, integrated level is high, and volume is little, convenient mobile.The utility model use focus kernel control module realizes booster circuit, energy-storage capacitor group, thyristor discharge circuit etc. and is integrated in box body, and body weight only has 50kg.
2, seismic source energy is controlled.Arrange the Capacitor banks duration of charging by focus kernel control module and realize energy-controllable, ceiling capacity is up to 3WJ, and stratum penetration capacity is more than 200 meters.
This elastic wave focus is a kind of high-power, small size, convenient movement, energy-controllable, the elastic wave seismic source apparatus that simple to operate, work safety is reliable and stable.
Accompanying drawing explanation
Fig. 1 is Seismic Source System operating diagram;
Fig. 2 is the composition schematic diagram that focus controls cabinet;
Fig. 3 is guidance panel schematic diagram;
In figure: 1,220V alternator power supply, 2, focus controls cabinet, 3, cable, 4, sparking electrode, 5, discharging electrode interface, 6, thyristor charge/discharge control circuit, 7, overbottom pressure clear circuit, 8, focus kernel control module, 9, energy-storage capacitor group, 10, voltage multiplying rectifier booster circuit, 11, step-up transformer, 12,220V AC power interface, 13, guidance panel, 14, power switch, 15,220V power input interface, 16, overbottom pressure resets button, 17, High voltage output interface, 18, key panel, 19, liquid crystal display.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described.
As shown in Figure 1, first connection device, guarantees that focus controls cabinet 2 power-off, stube cable 3 and sparking electrode 4, tightens joint and ensures that sparking electrode is water-tight.Again cable 3 is connected to discharging electrode interface 5 place that Fig. 2 focus controls cabinet.220V AC power generator power supply or electric network source are connected to the 220V AC power interface 12 that Fig. 2 focus controls cabinet, complete connection preliminary work.
Sparking electrode is placed with the designated depth in water drilling hole, the key panel 18 of application drawing 3 carries out charging energy-storing and control of discharge, produces elastic wave Pulse Source.Each electrode discharge terminates or abandons electrode discharge, need trigger the residual voltage in overbottom pressure reset switch releasing capacitor group, then carries out the operation of discharge and recharge next time.
The connection of this device is as follows:
220V alternator power supply 1 controls cabinet 2 by cable and focus and is connected, focus is controlled cabinet and is connected with the sparking electrode 4 in ground hole by cable 3, control to arrange discharging electrode interface 5, thyristor charge/discharge control circuit 6, overbottom pressure clear circuit 7, focus kernel control module 8, energy-storage capacitor group 9, voltage multiplying rectifier booster circuit 10, step-up transformer 11 and 220V AC power interface 12 in cabinet 2 at focus, control cabinet is equipped with guidance panel 13 at focus.
Guidance panel 13 arranges power switch 14,220V power input interface 15, overbottom pressure clearing button 16, High voltage output interface 17, key panel 18 and liquid crystal display 19.
Claims (4)
1. a controllable electric spark type elastic wave seismic source apparatus, by 220V alternator power supply, focus controls cabinet, cable, sparking electrode, discharging electrode interface, thyristor charge/discharge control circuit, overbottom pressure clear circuit, focus kernel control module, energy-storage capacitor group, voltage multiplying rectifier booster circuit, step-up transformer, 220V AC power interface and guidance panel composition, it is characterized in that: 220V alternator power supply (1) controls cabinet (2) by cable and focus and is connected, focus is controlled cabinet and is connected with the sparking electrode (4) in ground hole by cable (3), control to arrange discharging electrode interface (5) in cabinet (2) at focus, thyristor charge/discharge control circuit (6), overbottom pressure clear circuit (7), focus kernel control module (8), energy-storage capacitor group (9), voltage multiplying rectifier booster circuit (10), step-up transformer (11) and 220V AC power interface, control cabinet is equipped with guidance panel (13) at focus.
2. a kind of controllable electric spark type elastic wave seismic source apparatus according to claim 1, is characterized in that: on guidance panel (13), arrange power switch (14), 220V power input interface (15), overbottom pressure clearing button (16), High voltage output interface (17), key panel (18) and liquid crystal display (19).
3. a kind of controllable electric spark type elastic wave seismic source apparatus according to claim 1, is characterized in that: focus controls focus kernel control module (8) upper increase metal electric magnetic shielding protective cover in cabinet (2).
4. a kind of controllable electric spark type elastic wave seismic source apparatus according to claim 1, is characterized in that: focus controls energy-storage capacitor group (9) and guidance panel (13) to be kept apart by insulating glass fibers plate in cabinet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216834.6U CN204496015U (en) | 2015-04-13 | 2015-04-13 | A kind of controllable electric spark type elastic wave seismic source apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216834.6U CN204496015U (en) | 2015-04-13 | 2015-04-13 | A kind of controllable electric spark type elastic wave seismic source apparatus |
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| CN204496015U true CN204496015U (en) | 2015-07-22 |
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| CN201520216834.6U Expired - Fee Related CN204496015U (en) | 2015-04-13 | 2015-04-13 | A kind of controllable electric spark type elastic wave seismic source apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223605A (en) * | 2015-09-28 | 2016-01-06 | 中国科学院电工研究所 | A kind of hyperchannel sparker source system of microsecond sequential control and control method |
| CN106405631A (en) * | 2016-08-31 | 2017-02-15 | 中国石油天然气集团公司 | Electric spark vibration source excitation method and vibration source setting method |
| CN109407145A (en) * | 2018-12-10 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Applied to engineering investigation, the automatic control electric sparks of detection field |
-
2015
- 2015-04-13 CN CN201520216834.6U patent/CN204496015U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223605A (en) * | 2015-09-28 | 2016-01-06 | 中国科学院电工研究所 | A kind of hyperchannel sparker source system of microsecond sequential control and control method |
| CN105223605B (en) * | 2015-09-28 | 2017-12-05 | 中国科学院电工研究所 | The multichannel spark source system and control method of a kind of microsecond SECO |
| CN106405631A (en) * | 2016-08-31 | 2017-02-15 | 中国石油天然气集团公司 | Electric spark vibration source excitation method and vibration source setting method |
| CN109407145A (en) * | 2018-12-10 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Applied to engineering investigation, the automatic control electric sparks of detection field |
| CN109407145B (en) * | 2018-12-10 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Automatic control electric spark vibration source device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |