CN113933904B - Mine transient electromagnetic three-component detection device - Google Patents
Mine transient electromagnetic three-component detection device Download PDFInfo
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- CN113933904B CN113933904B CN202111129842.3A CN202111129842A CN113933904B CN 113933904 B CN113933904 B CN 113933904B CN 202111129842 A CN202111129842 A CN 202111129842A CN 113933904 B CN113933904 B CN 113933904B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
- G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The invention discloses a mine transient electromagnetic three-component detection device, which belongs to the technical field of transient electromagnetic detection and comprises a connecting part and three component detection parts, wherein the connecting part comprises an X-direction connecting rod, a Y-direction connecting rod and a Z-direction connecting rod which are mutually perpendicular, the top ends of the X-direction connecting rod, the Y-direction connecting rod and the Z-direction connecting rod are mutually connected, and the bottom ends of the X-direction connecting rod, the Y-direction connecting rod and the Z-direction connecting rod are respectively connected with the three component detection parts; the device can obtain 9 components of the conductivity of the geologic body around the mine tunnel by one-time detection, so that the underground construction efficiency is greatly improved; geological information in the directions of all components of the geological body around the mine tunnel can be fully utilized, and the anisotropic characteristics of the geological body can be effectively identified by combining data mutual comparison verification on all components, so that the detection accuracy is improved.
Description
Technical Field
The invention belongs to the technical field of transient electromagnetic detection, and relates to a mine transient electromagnetic three-component detection device.
Background
Transient electromagnetic method exploration technology is deep in various fields of geophysical exploration by virtue of the advantages of being more sensitive to low-resistance geologic bodies and aquifers, high in transverse and longitudinal resolution and the like.
In the current exploration of mines, a traditional transient electromagnetic detection device only can obtain geologic body information on one direction component at each detection, a transmitting coil transmits a primary field to the inside of a stratum, and after the primary field is powered off, the change of an induction secondary field generated by an underground medium along with time is measured. The method only can obtain component information in one direction during each detection, tensor resistivity information of the geologic body can not be obtained, and detection efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a mine transient electromagnetic three-component detection device, which aims to solve the technical problems, and the invention provides the following technical scheme: the mining transient electromagnetic three-component detection device comprises a connecting part and three component detection parts, wherein the connecting part comprises an X-direction connecting rod, a Y-direction connecting rod and a Z-direction connecting rod which are perpendicular to each other, the top ends of the X-direction connecting rod, the Y-direction connecting rod and the Z-direction connecting rod are connected with each other, and the bottom ends of the X-direction connecting rod, the Y-direction connecting rod and the Z-direction connecting rod are respectively connected with one component detection part;
the component detection part comprises a main support rod, a first horizontal support rod, a second horizontal support rod, a top frame, a bottom frame, a support plate and a receiving probe, wherein the first horizontal support rod is arranged in the top frame and is detachably connected with the top frame, the second horizontal support rod is arranged in the bottom frame and is detachably connected with the bottom frame, one end of the main support rod is detachably connected with the first horizontal support rod, the other end of the main support rod is detachably connected with the second horizontal support rod, one end of the support plate is detachably connected with the top frame, the other end of the support plate is detachably connected with the bottom frame, a plurality of wire clamping grooves are formed in the outer side of the support plate, the receiving probe is arranged in the middle of the main support rod, and the bottoms of the X-direction connecting rod, the Y-direction connecting rod and the Z-direction connecting rod are respectively connected with the first horizontal support rods of the three component detection parts.
Preferably, the axes of the top frame and the bottom frame are on the same straight line.
Preferably, the top frame and the bottom frame are regular octagons, and the top frame and the bottom frame are parallel.
Preferably, the ratio of the radius of the circumscribing circle of the top frame to the radius of the circumscribing circle of the bottom frame are 1:2.
Preferably, the top frame comprises a plurality of top frame connecting pipes, the top frame connecting pipes are connected by adopting first double-pass pipes, the bottom frame comprises a plurality of bottom frame connecting pipes, and the bottom frame connecting pipes are connected by adopting second double-pass pipes.
Preferably, the component detection portion bottom that Z is connected to the connecting rod installs a plurality of adjustment portion, adjustment portion includes clamp spare, spirit level and adjusting screw, the clamp spare suit is on bottom frame, the spirit level is installed on clamp spare upper portion, adjust pole and clamp spare bottom threaded connection.
Preferably, the X is to connecting rod and Y is to connecting rod below be provided with independent supporting part, independent supporting part includes pole setting, U type pipe, lifting screw and fixation nut, the U type pipe is installed on the pole setting top, lifting screw sets up in the pole setting and with pole setting threaded connection, fixation nut and pole setting upper portion threaded connection, the lifting screw bottom is provided with the rotating member.
The beneficial effects are that:
(1) The device can obtain 9 components of the conductivity of the geologic body around the mine tunnel by one-time detection, so that the underground construction efficiency is greatly improved; geological information in the directions of all components of the geological body around the mine tunnel can be fully utilized, and the anisotropic characteristics of the geological body can be effectively identified by combining data mutual comparison verification on all components, so that the detection accuracy is improved.
(2) The composition of the detection part changes the matching combination of the prior transmitting coil and the receiving coil, and the combination of the transmitting frame and the receiving probe is utilized, so that the self-inductance and mutual inductance influence between the transmitting coil and the receiving coil are effectively avoided.
(3) The transmitting line frame adopts a conical transmitting line frame mode, and is more fit with the electromagnetic wave propagation principle.
(4) The device adopts detachable connected mode, can dismantle in the carrying process and carry the transportation, can select the connection installation according to the condition when needing to use, convenient and practical.
Drawings
FIG. 1 is a schematic diagram of a device;
FIG. 2 is a schematic view of the structure of the adjusting part;
FIG. 3 is a schematic view of the independent support structure;
FIG. 4 is an enlarged view at A;
the symbols in the drawings illustrate: 100: a component detection unit; 200: a connection part; 300: an adjusting section; 800: an independent support part; 1: a main support rod; 2: a first horizontal support bar; 3: a second horizontal support bar; 4: a top frame; 401: a top frame connection pipe; 402: a first two-way pipe; 5: a bottom frame; 501: a bottom frame connection pipe; 502: a second double-pass pipe; 6: a support plate; 601: wire clamping groove; 7: receiving a probe; 301: a clip member; 302: a level gauge; 303: adjusting a screw; 201: an X-direction connecting rod; 202: a Y-direction connecting rod; 203: a Z-direction connecting rod; 801: a vertical rod; 802: a U-shaped tube; 803: lifting screw rods; 804: a fixing nut; 805: a rotating member.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and "first", "second", etc. do not indicate the importance of the components, and thus are not to be construed as limiting the present invention. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
Example 1:
referring to fig. 1, the invention provides a technical scheme, a mine transient electromagnetic three-component detection device, which comprises a connection part 200 and three component detection parts 100, wherein the connection part 200 comprises an X-direction connection rod 201, a Y-direction connection rod 202 and a Z-direction connection rod 203 which are mutually perpendicular, the top ends of the X-direction connection rod 201, the Y-direction connection rod 202 and the Z-direction connection rod 203 are mutually connected, and the bottom ends of the X-direction connection rod 201, the Y-direction connection rod 202 and the Z-direction connection rod 203 are respectively connected with one component detection part 100;
the component detecting part 100 comprises a main supporting rod 1, a first horizontal supporting rod 2, a second horizontal supporting rod 3, a top frame 4, a bottom frame 5, a supporting plate 6 and a receiving probe 7, wherein the first horizontal supporting rod 2 is arranged in the top frame 4 and is detachably connected with the top frame 4, the second horizontal supporting rod 3 is arranged in the bottom frame 5 and is detachably connected with the bottom frame 5, one end of the main supporting rod 1 is detachably connected with the first horizontal supporting rod 2, the other end of the main supporting rod is detachably connected with the second horizontal supporting rod 3, one end of the supporting plate 6 is detachably connected with the top frame 4, the other end of the supporting plate 6 is detachably connected with the bottom frame 5, a plurality of wire clamping grooves 601 are formed in the outer side of the supporting plate 6, the receiving probe 7 is arranged on the middle part of the main supporting rod 1, and the bottom ends of the X-direction connecting rod 201, the Y-direction connecting rod 202 and the Z-direction connecting rod 203 are respectively connected with the first horizontal supporting rods 2 of the three component detecting parts 100.
Working principle: operation of the inventive deviceThe principle is that the method sequentially excites a primary field through transmitting coils in different directions, receives secondary field information in three component directions simultaneously after the primary field is powered off, 9 component data of the geologic body can be obtained, and the parallel vector Green function in a planar layered medium is introduced
The magnetic field at the receiving probe can be expressed as:
m is the magnetic moment of the magnetic field,
a transformation matrix representing the instrument coordinate system to the formation coordinate system,/->
Representation->
Is a matrix-to-rank symbol, where the parallel green function +.>
Can be expressed as:
the magnetic field strength tensor can be obtained as follows:
when the device is used, the component detection parts 100 connected with the Z-direction connecting rods 203 are placed on the ground or a support, the component detection parts 100 respectively connected with the X-direction connecting rods 201 and the Y-direction connecting rods 202 of the connecting part 200 face two mutually perpendicular directions in the horizontal direction respectively, coils are wound in the clamping grooves 601 of the supporting plates 6, rubber anti-slip layers can be coated in the clamping grooves 601, a transient electromagnetic instrument can start to work after being connected, one component detection part 100 emits a primary field, after the primary field is powered off, the receiving probes 7 of the three component detection parts 100 simultaneously receive secondary field information of the three component directions, then the other two component detection parts 100 sequentially repeat the steps, detection is completed, and 9 component data of the geological body are obtained.
Further, the axes of the top frame 4 and the bottom frame 5 are on the same straight line, so that the effect is better, and the accuracy of measurement data can be improved.
Further, the top frame 4 and the bottom frame 5 are regular octagons, and the top frame 4 and the bottom frame 5 are parallel to form a conical transmitting line frame mode, which is more fit with the electromagnetic wave propagation principle.
Further, the ratio of the radius of the circumscribing circle of the top frame 4 to the radius of the circumscribing circle of the bottom frame 5 are 1:2.
Example 2:
referring to fig. 1-3, the present invention provides a technical solution, based on embodiment 1, the top frame 4 includes a plurality of top frame connection pipes 401, the top frame connection pipes 401 are connected by a first double-pass pipe 402, the bottom frame 5 includes a plurality of bottom frame connection pipes 501, and the bottom frame connection pipes 501 are connected by a second double-pass pipe 502;
the top frame 4, the connecting part 200 and the main supporting rod 1 are respectively connected with the first horizontal supporting rod 2 through a multi-way pipe, the bottom frame 5 and the main supporting rod 1 are respectively connected with the second horizontal supporting rod 3 through a multi-way pipe, and two ends of the supporting plate 6 are respectively embedded into clamping grooves of the first two-way pipe 402 and the second two-way pipe 502; the mode that adopts first two-way pipe 402, second two-way pipe 502 and multi-way pipe to connect is convenient to dismantle, and top frame connecting pipe 401, bottom frame connecting pipe 501, main tributary vaulting pole 1, first horizontal bracing piece 2 and second horizontal bracing piece 3 also can adopt the hollow tube, lightens structural weight, conveniently carries.
Example 3:
referring to fig. 1-3, the present invention provides a technical solution, on the basis of embodiment 1, a plurality of adjusting parts 300 are installed at the bottom of a component detecting part 100 connected with a Z-direction connecting rod 203, the adjusting parts 300 include a clamp member 301, a level gauge 302 and an adjusting screw 303, the clamp member 301 is sleeved on a bottom frame 5, the level gauge 302 is installed at the upper part of the clamp member 301, and the adjusting rod 303 is in threaded connection with the bottom of the clamp member 301; under complex terrains, the height can be adjusted by adjusting the adjusting rod 303, and the device stability is improved by observing the level gauge 302 to reach a horizontal state;
the X-direction connecting rod 201 and the Y-direction connecting rod 202 are provided with independent supporting parts 800 below, each independent supporting part 800 comprises a vertical rod 801, a U-shaped pipe 802, a lifting screw 803 and a fixing nut 804, the U-shaped pipe 802 is arranged at the top end of the vertical rod 801, the lifting screw 803 is arranged in the vertical rod 801 and is in threaded connection with the vertical rod 801, the fixing nut 804 is in threaded connection with the upper part of the vertical rod 801, and a rotating part 805 is arranged at the bottom of the lifting screw 803; in general, the fixing nut 804 is disposed at a position 20-30cm away from the top end of the upright pole 801, when the height needs to be adjusted, only the rotating member 805 needs to be rotated, and the rotating member 805 drives the lifting screw 803 to rise or fall by a certain distance, so that the independent supporting portion 800 reaches a height meeting the supporting requirement, and then the fixing nut 804 is rotated to fix the lifting screw 803 in position, so that the structure of the U-shaped pipe 802 is convenient to support.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Within the technical conception scope of the invention, a plurality of equivalent changes can be carried out on the technical proposal of the invention, and the equivalent changes belong to the protection scope of the invention.
Claims (4)
1. The utility model provides a mine transient electromagnetism three-component detection device which characterized in that: the device comprises a connecting part (200) and three component detection parts (100), wherein the connecting part (200) comprises an X-direction connecting rod (201), a Y-direction connecting rod (202) and a Z-direction connecting rod (203) which are perpendicular to each other, the top ends of the X-direction connecting rod (201), the Y-direction connecting rod (202) and the Z-direction connecting rod (203) are connected with each other, and the bottom ends of the X-direction connecting rod, the Y-direction connecting rod and the Z-direction connecting rod are respectively connected with one component detection part (100);
the component detection part (100) comprises a main support rod (1), a first horizontal support rod (2), a second horizontal support rod (3), a top frame (4), a bottom frame (5), a support plate (6) and a receiving probe (7), wherein the first horizontal support rod (2) is arranged in the top frame (4) and is detachably connected with the top frame (4), the second horizontal support rod (3) is arranged in the bottom frame (5) and is detachably connected with the bottom frame (5), one end of the main support rod (1) is detachably connected with the first horizontal support rod (2), the other end of the main support rod (1) is detachably connected with the second horizontal support rod (3), one end of the support plate (6) is detachably connected with the top frame (4), the other end of the support plate (6) is detachably connected with the bottom frame (5), a plurality of clamping wire grooves (601) are formed in the outer side of the support plate (6), the receiving probe (7) is arranged in the middle of the main support rod (1), and the bottom ends of the X-direction connecting rod (201), the Y-direction connecting rod (202) and the Z-direction connecting rod (203) are respectively connected with the first detection parts (100) of three component detection parts;
the axes of the top frame (4) and the bottom frame (5) are on the same straight line;
the top frame (4) and the bottom frame (5) are regular octagons, and the top frame (4) and the bottom frame (5) are parallel;
the ratio of the radius of the circumcircle of the top frame (4) to the radius of the circumcircle of the bottom frame (5) is 1:2.
2. A mine transient electromagnetic three-component detection apparatus as defined in claim 1, wherein: the top frame (4) comprises a plurality of top frame connecting pipes (401), the top frame connecting pipes (401) are connected by adopting a first double-pass pipe (402), the bottom frame (5) comprises a plurality of bottom frame connecting pipes (501), and the bottom frame connecting pipes (501) are connected by adopting a second double-pass pipe (502).
3. A mine transient electromagnetic three-component detection apparatus as defined in claim 1, wherein: the component detection portion (100) bottom that Z is connected to connecting rod (203) is installed a plurality of adjustment portion (300), adjustment portion (300) are including clamp spare (301), spirit level (302) and adjusting screw (303), clamp spare (301) suit is on bottom frame (5), spirit level (302) are installed on clamp spare (301) upper portion, adjusting screw (303) and clamp spare (301) bottom threaded connection.
4. A mine transient electromagnetic three-component detection apparatus as defined in claim 1, wherein: the X is to connecting rod (201) and Y to connecting rod (202) below be provided with independent supporting part (800), independent supporting part (800) are including pole setting (801), U type pipe (802), lifting screw (803) and fixation nut (804), U type pipe (802) are installed on pole setting (801) top, lifting screw (803) set up in pole setting (801) and with pole setting (801) threaded connection, fixation nut (804) and pole setting (801) upper portion threaded connection, lifting screw (803) bottom is provided with rotating member (805).
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| CN202111129842.3A CN113933904B (en) | 2021-09-26 | 2021-09-26 | Mine transient electromagnetic three-component detection device |
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| CN202111129842.3A CN113933904B (en) | 2021-09-26 | 2021-09-26 | Mine transient electromagnetic three-component detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210119710U (en) * | 2019-05-28 | 2020-02-28 | 中国煤炭地质总局物测队 | Mine transient electromagnetic detection angle controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NO314646B1 (en) * | 1994-08-15 | 2003-04-22 | Western Atlas Int Inc | Transient electromagnetic measuring tool and method for use in a well |
| US9989671B2 (en) * | 2014-01-07 | 2018-06-05 | Shandong University | Tunnel construction large-scale integrated geophysical advanced detection model test device |
| CN204679650U (en) * | 2015-05-08 | 2015-09-30 | 中煤科工集团西安研究院有限公司 | Mine transient electromagnetic launches wire frame |
| CN207067417U (en) * | 2017-08-03 | 2018-03-02 | 中国水利水电科学研究院 | A kind of new three-component transient electromagnetic method reception device |
| CN207541278U (en) * | 2017-11-02 | 2018-06-26 | 南京市测绘勘察研究院股份有限公司 | A kind of transient electromagnetic three-component wire frame device |
| US11187824B2 (en) * | 2018-07-02 | 2021-11-30 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Method and device for surface-borehole transient electromagnetic detection |
| CN209167552U (en) * | 2019-01-08 | 2019-07-26 | 东华理工大学 | A kind of transient electromagnetic method cone field source device |
| CN211293287U (en) * | 2020-02-18 | 2020-08-18 | 东华理工大学 | Transient electromagnetic method emitter |
| CN212008968U (en) * | 2020-06-12 | 2020-11-24 | 中煤科工集团重庆研究院有限公司 | Mine transient electromagnetic roof directional detection device |
| CN212160104U (en) * | 2020-07-07 | 2020-12-15 | 中国有色桂林矿产地质研究院有限公司 | Tunnel transient electromagnetic semi-automatic scanning type detection device |
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| CN210119710U (en) * | 2019-05-28 | 2020-02-28 | 中国煤炭地质总局物测队 | Mine transient electromagnetic detection angle controller |
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