CN202676925U - Multi-turn transmitting coil for transient electromagnetic exploration - Google Patents
Multi-turn transmitting coil for transient electromagnetic exploration Download PDFInfo
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- CN202676925U CN202676925U CN 201220199774 CN201220199774U CN202676925U CN 202676925 U CN202676925 U CN 202676925U CN 201220199774 CN201220199774 CN 201220199774 CN 201220199774 U CN201220199774 U CN 201220199774U CN 202676925 U CN202676925 U CN 202676925U
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- wires
- transmitting coil
- transient electromagnetic
- coiling
- fried dough
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Abstract
The utility model discloses a multi-turn transmitting coil for transient electromagnetic exploration. The multi-turn transmitting coil consists of a winding coil (1) formed by weaving at least two wires into a twist braid, wherein each two of the multiple wires of the winding coil (1) are connected in series so as to form a multi-turn loop circuit, and two of the wires are not in short connection so as to be used as an import/export port (2). According to the utility model, two wires are weaved into twisted pairs or more than three wires are weaved into twist-braid-shaped standby wire harnesses at first; or the standby wire harnesses can be weaved into a twist-braid-shaped standby wire harness of multiple wires in a twist-braid weaving manner; the multi-strand wire harness is winded in a single-loop or multi-loop overlapping manner on the basis of the radius or side length of the transmitting coil; after the winding, each two of the multi-strand wires are connected in series after identification and test, ensuring the wires are serially connected to form a loop circuit; and two of the wires are extracted and are not in short connection so as to be used as the import/export port. Compare with a coil of same turns, the transmitting coil winded in this way can improve the radiation effect of the primary field of the transient electromagnetic transmission.
Description
Technical field
The utility model relates to a kind of transient electromagnetic exploration with transmitting and receiving multiturn coil, is applicable to the electromagnetic prospecting in the geophysical survey, is applied to resources survey and the engineering investigation fields such as mineral products.
Technical background
In the transient electromagnetic method exploration, generally adopt the overlapping loop line emission of single turn or multiturn electromagnetic field.A transient electromagnetic field usefulness that improves the instrument emission is most important for the depth of exploration and the resolution characteristic that improve transient electromagnetic method.The transient electromagnetic emission efficiency is proportional to area, transmitter current and the transmitting coil number of turn of transmitting coil in theory.
The area of transmitter current and transmitting coil generally is limited by the restriction of instrument or environmental baseline, and the number of turn that therefore improves transmitting coil is a kind of method and technology commonly used in the transient electromagnetic exploration, is generally made by the loop line of the overlapping coiling of multiturn.
Yet in practice, owing to be subjected to the impact of parallel winded multiturn loop line self inductance, electric capacity and resistance, increase coil turn, transition primary field emittance can not be such as the proportional increase of ideal state, and the radiation efficiency performance is very limited; Therefore in the industry, we wish by the overlapping loop line coiling of multiturn transmitting coil the time, guarantee that also the emission primary field has preferably radiance, with the emissive power of comprehensive raising transient electromagnetic field.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of transient electromagnetic exploration multiturn transmitting coil that can improve transient electromagnetic primary field emission efficiency.
In order to solve the problems of the technologies described above, the transient electromagnetic exploration multiturn transmitting coil that the utility model provides, be woven into the coiling that fried dough twist pigtail shape forms by at least 2 wires, multiple conducting wires in the described coiling is connected in series in twos and link to each other forms the multiturn loop checking installation, wherein two not short circuit as the turnover port.
Described coiling is to make twisted-pair feeder or 3 by 2 wires to be woven into fried dough twist pigtail shape with upper conductor and to form.
Described coiling is made twisted-pair feeder or 3 by 2 wires and is woven into bundle conductor that fried dough twist pigtail shape forms, many described bundle conductors with upper conductor and forms fried dough twist pigtail shape bundle conductor that multiple conducting wires more forms, utilize described fried dough twist pigtail shape bundle conductor to carry out the overlapping coiling of single-turn or multi-turn to form by the twisted shape braiding.
Described coiling is circular or square.
Adopt the transient electromagnetic exploration of technique scheme to use the multiturn transmitting coil, at first utilize 2 to lead thread twisted-pair feeder or 3 and be woven into the bundle conductor of fried dough twist pigtail shape as for subsequent use with upper conductor; Or it is for subsequent use to form the bundle conductor of the fried dough twist pigtail shape that multiple conducting wires more forms by twisted shape braiding again with bundle conductor for subsequent use again; Then need according to transmitting coil radius (circle) or the length of side (square or rectangle), utilize the twisted shape bundle conductor to carry out the overlapping coiling of single-turn or multi-turn; After coiling was finished, process sign or test were connected in series multiple conducting wires continuous in twos, guaranteed that all wires series connection form multiturn loop checking installations; Extract out wherein two not short circuit as the turnover port.This transient electromagnetic exploration is a kind of coil device that can improve transient electromagnetic primary field emission efficiency with the multiturn transmitting coil, the transmitting coil of coiling like this, when same transient electromagnetic emission instrument is launched electromagnetic field, can obtain better radiance, thereby improved the radiation effect of transient electromagnetic emission primary field, need not increase excessive cost.The utility model has better radiance when guaranteeing Transient Electromagnetic Apparatus emission primary field, thereby has improved the emission effect of primary field by transmitting and receiving the adjustment of coil inductance and capacitance parameter.Can be widely used in the transient electromagnetic Exploration Domain, especially the limited roadway forward probe field of transmitting coil area.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the twisted shape weave diagram of four wires;
Serial connection mode synoptic diagram when Fig. 3 is the multiple conducting wires docking.
Fig. 4 is the multiple spot transient electromagnetic multitrace seismogram figure of twisted shape transmitting coil.
Fig. 5 is the multiple spot transient electromagnetic multitrace seismogram figure of common parallel transmission line circle.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2 and Fig. 3, make twisted-pair feeder or 3 by 2 wires 3 and be woven into the square coiling 1 that fried dough twist pigtail shape forms with upper conductor 3, multiple conducting wires in the coiling 1 is connected in series in twos and link to each other forms the multiturn loop checking installation, wherein two not short circuit as turnover port 2.
Referring to Fig. 1, Fig. 2 and Fig. 3, it is for subsequent use at first to utilize 4 wires 3 to be woven into the long lead bundle of fried dough twist pigtail shape; According to square transmitting coil length of side needs, utilize the overlapping coiling of long lead Shu Jinhang 4 circles of fried dough twist pigtail shape; After coiling was finished, the process colour code was connected in series 4 wires continuous in twos, guaranteed that all wires series connection form 16 circle loop checking installations; Extract wherein two conduct turnover ports out.Four wires are designated A, B, C and D, with "+" and "-" number sign bundle conductor two ends.Series system is with reference to figure 3, and Wiring port is: A
+And D
-Loop and wiring path: A
+→ A
-→ B
+→ B
-→ C
+→ C
-→ D
+→ D
-
Coiling 1 also can be circle, coiling 1 is made twisted-pair feeder or 3 by 2 wires 3 and is woven into bundle conductor that fried dough twist pigtail shape forms, multiple conducting wires bundle with upper conductor and forms fried dough twist pigtail shape bundle conductor that multiple conducting wires more forms, utilize fried dough twist pigtail shape bundle conductor to carry out the overlapping coiling of single-turn or multi-turn to form by the twisted shape braiding, multiple conducting wires in the coiling 1 is connected in series in twos and link to each other forms the multiturn loop checking installation, wherein two not short circuit as turnover port 2.
It is for subsequent use at first to utilize 4 wires 3 to be woven into 4 section chief's bundle conductors of fried dough twist pigtail shape; Utilize 4 strands of fried dough twist pigtail shape long lead bundles to carry out again the braiding of fried dough twist pigtail, form the fried dough twist pigtail long lead bundle that contains 16 wires; Utilize this fried dough twist pigtail long lead bundle, according to annular emission coil girth needs, individual pen coiling; After coiling was finished, the process test was connected in series 16 strands of wires in twos with sign and links to each other, and guaranteed that all wires series connection form 16 circle loop checking installations; Extract wherein two conduct turnover ports out.16 wires are numbered A, B, C ... P uses respectively "+" and "-" number sign bundle conductor two ends.Series system is with reference to figure 3, and Wiring port is: A
+And P
-Loop and wiring path: A
+→ A
-→ B
+→ B
-→ C
+→ C
-→ ... → P
-
The transient electromagnetic exploration multiturn transmitting coil that uses technique scheme to make has been supported response performance as the electromagnetic field emissions coil from parameters such as inductance, electric capacity and resistance.As transmitting coil, improved the primary field emission effect of transient electromagnetic instrument.Can be widely used in the transient electromagnetic Exploration Domain, especially the limited roadway forward probe field of transmitting coil area.
Referring to Fig. 4 and Fig. 5, identical receiving coil, during the test of twisted shape transmitting coil and common parallel winded transmitting coil, adopts consistent different T-R apart from the multiple spot transient electromagnetic multitrace seismogram of acquisition: ordinate is the transient electromagnetic secondary field of instrument record, has got common logarithm; Horizontal ordinate is secondary field decay record Taoist monastic name.As can be seen from the figure, adopting the twisted shape transmitting coil, is 16 circles equally, although electric current only has 3.8 amperes, less than the parallel winded coil half, signal intensity is apparently higher than the latter.
Claims (4)
1. a transient electromagnetic is explored and is used the multiturn transmitting coil, it is characterized in that: be woven into the coiling (1) that fried dough twist pigtail shape forms by at least 2 wires, multiple conducting wires in the described coiling (1) is connected in series in twos and link to each other forms the multiturn loop checking installation, wherein two not short circuit as turnover port (2).
2. the multiturn transmitting coil is used in transient electromagnetic according to claim 1 exploration, it is characterized in that: described coiling (1) is to make twisted-pair feeder or 3 by 2 wires to be woven into fried dough twist pigtail shape with upper conductor and to form.
3. the multiturn transmitting coil use in transient electromagnetic according to claim 1 exploration, it is characterized in that: described coiling (1) is made twisted-pair feeder or 3 by 2 wires and is woven into bundle conductor that fried dough twist pigtail shape forms, many described bundle conductors with upper conductor and weaves the fried dough twist pigtail shape bundle conductor that forms multiple conducting wires more and form, utilize described fried dough twist pigtail shape bundle conductor to carry out the overlapping coiling of single-turn or multi-turn to form by twisted shape.
4. according to claim 1, the exploration of 2 or 3 described transient electromagnetics use the multiturn transmitting coil, it is characterized in that: described coiling (1) is circle or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220199774 CN202676925U (en) | 2012-05-07 | 2012-05-07 | Multi-turn transmitting coil for transient electromagnetic exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220199774 CN202676925U (en) | 2012-05-07 | 2012-05-07 | Multi-turn transmitting coil for transient electromagnetic exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676925U true CN202676925U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220199774 Expired - Fee Related CN202676925U (en) | 2012-05-07 | 2012-05-07 | Multi-turn transmitting coil for transient electromagnetic exploration |
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|---|---|
| CN (1) | CN202676925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050769A (en) * | 2013-01-18 | 2013-04-17 | 山东大学 | Array type antenna of tunnel transient electromagnetic advanced detection for physical simulation test |
| CN103412342A (en) * | 2013-08-09 | 2013-11-27 | 中煤科工集团西安研究院 | Strong field source multichannel transmitter based on mining intrinsic safety type transient electromagnetic method |
| CN105742787A (en) * | 2016-02-02 | 2016-07-06 | 上海德门电子科技有限公司 | Metal shell-based near field communication device, electronic equipment and method |
-
2012
- 2012-05-07 CN CN 201220199774 patent/CN202676925U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050769A (en) * | 2013-01-18 | 2013-04-17 | 山东大学 | Array type antenna of tunnel transient electromagnetic advanced detection for physical simulation test |
| CN103050769B (en) * | 2013-01-18 | 2016-04-06 | 山东大学 | For the tunnel transient electromagnetic forward probe Array Antenna of physical simulation experiment |
| CN103412342A (en) * | 2013-08-09 | 2013-11-27 | 中煤科工集团西安研究院 | Strong field source multichannel transmitter based on mining intrinsic safety type transient electromagnetic method |
| CN103412342B (en) * | 2013-08-09 | 2015-12-09 | 中煤科工集团西安研究院有限公司 | Based on the high field source multichannel emitter of Mine-used I. S transient electromagnetic method |
| CN105742787A (en) * | 2016-02-02 | 2016-07-06 | 上海德门电子科技有限公司 | Metal shell-based near field communication device, electronic equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130116 Termination date: 20170507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |