CN104656147A - Composite electrode device for direct-current electrical prospecting and operation method of composite electrode device - Google Patents
Composite electrode device for direct-current electrical prospecting and operation method of composite electrode device Download PDFInfo
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- CN104656147A CN104656147A CN201510086304.9A CN201510086304A CN104656147A CN 104656147 A CN104656147 A CN 104656147A CN 201510086304 A CN201510086304 A CN 201510086304A CN 104656147 A CN104656147 A CN 104656147A
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Abstract
The invention discloses a composite electrode device for direct-current electrical prospecting and an operation method of the composite electrode device. The device comprises a conical spiral telescopic electrode and a disc-type base, wherein the disc-type base comprises a protection casing, a water storage cavity is formed in the protection casing, and the bottom end of the water storage cavity is communicated with a high-compression sponge through a water seepage plate; a water injection hole is formed in the protection casing and is communicated with the water storage cavity; the electrode penetrates through the water storage cavity and the high-compression sponge of the disc-type base to reach the bottom of the disc-type base. The composite electrode device has the benefits that the device adopts a center fixing structure comprising the disc-type base and the electrode and can be used for both a hard ground surface and a soft ground surface. The whole device can naturally and fixedly stand on the ground, the central electrode and the ground are sufficiently coupled due to the design of the water storage cavity and the high-compression sponge, and with the adoption of the design of a slot and elastic fixing contact pieces, connection of the electrode for direct-current electrical prospecting and a main unit is facilitated.
Description
Technical field
The invention belongs to geophysical survey or Detection Techniques field, particularly a kind of D.C. method compound electrode device and method of operating thereof.
Background technology
DC electrical method refers to by the research DC electric field characteristic distributions relevant with geologic body and rule, and then can realize a class geophysical exploration method of resource exploration and some engineering geological problems of solution.It comprises High Density Resistivity, conventional, electric-resistance rate method and induced polarization method etc.The working method of D.C. method mainly utilizes electrode and earth surface to carry out exciting and observing of DC electric field.
The simplest electrode can be a copper rod or iron staff, this simple electrode can be inserted into more like a cork and be fixed in soft table soil and be coupled, but for hard ground, particularly concrete road surface or hard rock surface, if not by some ancillary methods, be impossible fixed thereon.For hard ground, usually adopted the mode of drilling and mound to be fixed in the past, and then utilized the mode of watering to be coupled.But these auxiliary methods compare wastes time and energy, reduce investigation and prospecting efficiency, especially for High Density Resistivity, need tens even hundreds of root electrodes because it once detects simultaneously, if every root electrode all needs auxiliary bore hole or mound and waters water coincidence, its investigation and prospecting efficiency will greatly reduce.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of D.C. method compound electrode device and method of operating thereof, this device is that collar plate shape base adds electrode centers fixed sturcture, has fixing and coupling function simultaneously, both be applicable to hard ground, be also applicable to soft terrain.
For achieving the above object, the present invention is by the following technical solutions:
A kind of D.C. method compound electrode device, comprising: cone-type spiral stretches electrode and collar plate shape base; Described collar plate shape base comprises protecting sheathing, is provided with storage cavity in protecting sheathing inside, and the bottom of described storage cavity is communicated with high compression sponge by water permeating board; Described protecting sheathing is provided with water injection hole, and described water injection hole is communicated with storage cavity; The described cone-type spiral electrode that stretches extend into the bottom of collar plate shape base always through the storage cavity of collar plate shape base and high compression sponge.
Described collar plate shape base upper surface is fixed with regulating connecting rod respectively along the stretch position of electrode symmetry of cone-type spiral, contacts, for controlling the compression degree of high compression sponge bottom described regulating connecting rod with water permeating board.
Stretch part that electrode contacts with storage cavity of described cone-type spiral is opened by sealed tube electrode isolation of storage cavity and cone-type spiral being stretched, and anti-sealing (mainly salt solution) directly contacts with electrode and causes electrode corrosion, extends the serviceable life of electrode.
The described cone-type spiral top of electrodes slot that stretches arranges two arc elastic fixed contact pieces, slot is formed in the middle of two arc elastic fixed contact pieces, when carrying out High Density Resistivity exploration, Special cable wire jut is utilized to be directly embedded in slot, and contact with contact chip, by this mode, multiple D.C. method compound electrode device just can be together in series and carry out investigation and prospecting.When carrying out the exploration of non-High Density Resistivity, general electrode used therein is less than and equals 4, and stube cable used is common wiring, at this moment, only electric wire need be connected on flexible fastening contact chip.
Described cone-type spiral top of electrodes of stretching is provided with handle, can be used for pushing electrode and enters in soft table soil, also can in rotating the length regulating electrode.
A method of operating for D.C. method compound electrode device, comprises the following steps:
(1) by water injection hole water filling carried out to D.C. method compound electrode device and be placed on corresponding point position.
(2) if hard ground, guarantee the abundant kiss the earth of tapered electrode by handle pushing, then utilize regulating connecting rod regulating guarantee high compression sponge fully to contact with ground; If soft earth's surface, suitably regulate electrode length by handle, and utilize handle to be pushed by electrode to be fixed into the degree of depth that mollic epipedon is certain and to be coupled, now, also needing to utilize regulating connecting rod regulating guarantee high compression sponge fully to contact with ground;
(3) if carry out High Density Resistivity exploration, need to pass through private cable, utilize slot and flexible fastening contact chip to be together in series by each D.C. method compound electrode device, other D.C. methods then can be connected on flexible fastening contact chip with electric wire simply.
(4), after the D.C. method compound electrode device connected being received main frame, corresponding exploration or detection operations can just be started.
The invention has the beneficial effects as follows:
Apparatus of the present invention are that collar plate shape base adds electrode centers fixed sturcture, for hard ground, whole device can stand on ground naturally admittedly, cone-type spiral that full water high compression sponge the is centre electrode that stretches is utilized to provide and conduct electricity environment fully, the water storage of the device first half supplements the moisture of sponge loss, guarantees that central electrode is fully coupled with ground.For soft ground, utilize the handle of slot both sides, central electrode can be pushed and be fixed into soft soil horizon certain depth and be coupled more fully, if now electrode has shortened, the length regulating electrode can also be rotated, so that the operation of host-connection cable by handle.
Accompanying drawing explanation
Fig. 1 is D.C. method compound electrode apparatus structure schematic diagram of the present invention;
Fig. 2 is D.C. method compound electrode device sectional structure chart of the present invention;
Fig. 3 (a) is the detection schematic diagram that apparatus of the present invention carry out when High Density Resistivity is explored;
Fig. 3 (b) is the detection schematic diagram that apparatus of the present invention carry out when non-High Density Resistivity is explored.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As depicted in figs. 1 and 2; a kind of D.C. method compound electrode of the present invention device, mainly comprises cone-type spiral and to stretch electrode, handle, slot, flexible fastening contact chip, sealed tube, water injection hole, protecting sheathing, storage cavity, water permeating board, high compression sponge, regulating connecting rod and gib screw etc.This device is overall adds electrode centers fixed sturcture for collar plate shape base, inner sealing (except the water permeating board of bottom), firmly light, and actual applicability is strong.
Cone-type spiral in the middle part of device stretches electrode mainly in order to Special cable wire intercouples be connected with the earth, its telescopic characteristic makes it no matter be at concrete surface, or bedrock surface, or soft earth's surface, all can ensure also can be convenient to the attended operation of cable and wire and electrode under prerequisite being fully coupled with ground.
Water injection hole is connected with the storage cavity of device the first half, and by the water permeating board bottom storage cavity, being directly the moisture of the high compression sponge replenish lost of bottom, can be certain density salt solution.
The high compression sponge of device Lower Half and the water permeating board on top, under the condition ensureing fully infiltration, connect with waterproof binder.When in running order, it is primarily of device weight compression, is controlled the compression degree of high compression sponge by two regulating connecting rods in card, and by the locked regulating connecting rod of gib screw.When being in idle state, device is inverted, and makes the complete flush mounting of high compression sponge inner, then fixes its position by regulating connecting rod.
Regulating connecting rod and gib screw, be positioned at the both sides of device upper surface symmetry, mainly in order to regulate the position of the water permeating board be connected with high compression sponge.Gib screw is made up of, by screwing moving up and down of lock link two screws of symmetry.
As shown in Fig. 3 (a) He Fig. 3 (b), when carrying out High Density Resistivity exploration, multiple device is together in series by the slot at top, private cable is High Density Resistivity cable conventional equipment, its projection embeds two arc elastic fixed contact pieces, the conductive communication of both guarantees.Carry out other non-High Density Resistivity explorations, can detection operations be started by common wiring connection flexible fastening contact chip and main frame.
When carrying out actual detection, first, the device of some prior injecting good waters is placed on corresponding point position, pressing down handle makes taper bit fully contact hard earth's surface as concrete surface, bedrock surface, (for loose earth's surface, also need to screw out electrode, and taper bit pushed into topsoil certain depth), appropriateness presses down regulating connecting rod, and locked with gib screw; Then each device slot place is fixed on private cable or common wiring; Finally, by private cable or common wiring, the electrode assembly connected is received on main frame, just can guarantee the abundant conduction coupling of electrode on various hard or loose earth's surface, realize good D.C. method.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. a D.C. method compound electrode device, is characterized in that, comprising: cone-type spiral stretches electrode and collar plate shape base; Described collar plate shape base comprises protecting sheathing, is provided with storage cavity in protecting sheathing inside, and the bottom of described storage cavity is communicated with high compression sponge by water permeating board; Described protecting sheathing is provided with water injection hole, and described water injection hole is communicated with storage cavity; The described cone-type spiral electrode that stretches extend into the bottom of collar plate shape base always through the storage cavity of collar plate shape base and high compression sponge.
2. a kind of D.C. method compound electrode device as claimed in claim 1, it is characterized in that, described collar plate shape base upper surface is fixed with regulating connecting rod respectively along the stretch position of electrode symmetry of cone-type spiral, contact with water permeating board bottom described regulating connecting rod, for controlling the compression degree of high compression sponge.
3. a kind of D.C. method compound electrode device as claimed in claim 1, is characterized in that, stretch part that electrode contacts with storage cavity of described cone-type spiral is opened by sealed tube electrode isolation of storage cavity and cone-type spiral being stretched.
4. a kind of D.C. method compound electrode device as claimed in claim 1, is characterized in that, described cone-type spiral top of electrodes of stretching is oppositely arranged two outstanding arc elastic fixed contact pieces, forms slots in the middle of two arc elastic fixed contact pieces.
5. a kind of D.C. method compound electrode device as claimed in claim 4, it is characterized in that, when carrying out High Density Resistivity exploration, its private cable projection is embedded in described slot, and contact with two arc elastic fixed contact pieces, multiple D.C. method compound electrode device can be together in series; When carrying out other non-multi-electrode resistivity imaging survey, utilizing common wiring to be connected on flexible fastening contact chip and being connected with main frame and can detecting.
6. a kind of D.C. method compound electrode device as claimed in claim 1, is characterized in that, described cone-type spiral top of electrodes of stretching is provided with handle.
7. a method of operating for D.C. method compound electrode device as claimed in claim 1, is characterized in that, comprise the following steps:
(1) by water injection hole water filling carried out to D.C. method compound electrode device and be placed on corresponding point position.
(2) if hard ground, guarantee the abundant kiss the earth of tapered electrode by handle pushing, then utilize regulating connecting rod regulating guarantee high compression sponge fully to contact with ground; If soft earth's surface, rotated by handle and regulate electrode length, and utilize handle to be pushed by electrode to be fixed into the degree of depth that mollic epipedon is certain and to be coupled, now, also needing to utilize regulating connecting rod regulating guarantee high compression sponge fully to contact with ground;
(3) if carry out High Density Resistivity exploration, need to pass through private cable, utilize flexible fastening contact chip to be together in series by each D.C. method compound electrode device, other D.C. methods then can be connected on flexible fastening contact chip with electric wire simply.
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| CN201510086304.9A CN104656147A (en) | 2015-02-16 | 2015-02-16 | Composite electrode device for direct-current electrical prospecting and operation method of composite electrode device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106154335A (en) * | 2016-08-30 | 2016-11-23 | 浙江广川工程咨询有限公司 | For improving device and the Electrical imaging oriented detection method of hidden danger body of hardening dykes and dams contact |
| CN109387875A (en) * | 2018-10-25 | 2019-02-26 | 河南理工大学 | A kind of landslide is hydrogeological to monitor geophysical method and device |
| CN110989003A (en) * | 2019-12-16 | 2020-04-10 | 山东大学 | Electrode device, system and method for cross-hole CT test |
| CN111555221A (en) * | 2020-05-19 | 2020-08-18 | 湖南鑫源地信科技有限公司 | Using method of clam-shaped junction box of urban electrical prospecting signal wire |
| CN114966865A (en) * | 2022-05-13 | 2022-08-30 | 长江地球物理探测（武汉）有限公司 | Direct current electrical method detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154335A (en) * | 2016-08-30 | 2016-11-23 | 浙江广川工程咨询有限公司 | For improving device and the Electrical imaging oriented detection method of hidden danger body of hardening dykes and dams contact |
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| CN110989003B (en) * | 2019-12-16 | 2021-10-26 | 山东大学 | Electrode device, system and method for cross-hole CT test |
| CN111555221A (en) * | 2020-05-19 | 2020-08-18 | 湖南鑫源地信科技有限公司 | Using method of clam-shaped junction box of urban electrical prospecting signal wire |
| CN114966865A (en) * | 2022-05-13 | 2022-08-30 | 长江地球物理探测（武汉）有限公司 | Direct current electrical method detecting device |
| CN114966865B (en) * | 2022-05-13 | 2024-06-18 | 长江地球物理探测（武汉）有限公司 | DC electric method detecting device |
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Application publication date: 20150527 |
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