CN109100781A - A kind of novel moving coil formula high sensitivity geophone - Google Patents
A kind of novel moving coil formula high sensitivity geophone Download PDFInfo
- Publication number
- CN109100781A CN109100781A CN201811103261.0A CN201811103261A CN109100781A CN 109100781 A CN109100781 A CN 109100781A CN 201811103261 A CN201811103261 A CN 201811103261A CN 109100781 A CN109100781 A CN 109100781A
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- China
- Prior art keywords
- magnet steel
- coil
- group
- shell
- top cover
- Prior art date
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 229920003266 Leaf® Polymers 0.000 claims abstract description 21
- 239000012212 insulator Substances 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
- G01V1/182—Geophones with moving coil
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of novel moving coil formula high sensitivity geophones, are related to geophone field.Top cover and bottom cover, the coil group, temperature-compensating ring, spring leaf and the insulator being set on magnet steel that the present invention includes the shell of tubulose, sets magnet steel group inside the shell, is separately mounted at shell two-port by sealing ring；The both ends of magnet steel group are against in top cover and bottom cover respectively, coil group is located in the magnetic gap of magnet steel group and shell composition, the upper and lower ends of coil group are supported by upper and lower two spring leafs respectively, and the spring leaf of upside is mounted between top cover and magnet steel group, and the spring leaf of downside is mounted between magnet steel group and bottom cover；Magnet steel group includes the cylindric magnet steel of 3 pieces of coaxial arrangements and the magnetic boots for being located at magnet steel both ends, and two opposite magnetic poles are identical on adjacent magnet steel, coil group is wound on the coil on bobbin by the bobbin of aluminum and four groups of intervals and forms, and adjacent two coil winding-direction is opposite.Transfer ratio of the present invention is big, and electromechanical conversion efficiency is high.
Description
Technical field
The present invention relates to geophone field, especially a kind of novel moving coil formula high sensitivity geophone.
Background technique
Industry geophone is explored, had tried out various novel wave detectors in recent years such as: optical fiber detector, land piezoelectricity
The technologically advanced wave detectors such as wave detector, MEMS digital detector, have inevitable, fatal defect, by various aspects
Compare or moving-coil geophone is more practical reliable, this is that is to say, it is impossible quilt that moving-coil geophone, which is illustrated, in exploration industry
Substitution, it will occupy an leading position.Single-receiver seismics wave detector was because its high sensitivity had become the hair of geophone in recent years
Direction is opened up, currently, producer Single-receiver seismics wave detector SG-5Hz, SG- produced of the several main production geophones in the whole world
10Hz, SOLO-5, SOLO-10, SN5-5, SN5-10, GLMD-5, GLMD-10 etc., these technical target of the product are approximate, with tradition
20D10Hz (sensitivity 20,283 Ω of D.C. resistance) is compared, and Single-receiver seismics geophone sensitivity (80~100) is although improve 4
Times, but coil resistance improves 6 times, and transfer ratio reduces instead, reduces electromechanical conversion efficiency, this will affect in certain regions
The acquisition of data.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of novel moving coil formula high sensitivity geophone, the present invention
Transfer ratio is big, and electromechanical conversion efficiency is high.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of novel moving coil formula in high sensitivity
Shake wave detector, it is characterised in that: shell including tubulose, set magnet steel group inside the shell, be separately mounted to by sealing ring it is outer
Top cover and bottom cover, coil group at shell two-port, the temperature-compensating ring being set on magnet steel, circular spring leaf and for defeated
The insulator of electric signal out；The both ends of magnet steel group are against in top cover and bottom cover respectively, and coil group is located at magnet steel group and shell composition
Magnetic gap in, the upper and lower ends of coil group are supported by upper and lower two spring leafs respectively, and the spring leaf of upside is mounted on top cover and magnetic
Between steel group, the spring leaf of downside is mounted between magnet steel group and bottom cover, and the insulator is connect by lead spring with coil, and
And insulator is located at the upper surface of top cover, the top cover, spring leaf, magnet steel, magnetic boots and bottom cover are located on same central axis；
Magnet steel group includes the cylindric magnet steel of 3 pieces of coaxial arrangements and is located at the magnetic boots at magnet steel both ends, and opposite two on adjacent magnet steel
A magnetic pole is identical, and coil group is wound on the coil on bobbin by the bobbin of aluminum and four groups of intervals and forms, and adjacent two line
Circle is around to opposite.
A further technical solution lies in, the spring leafs with a thickness of 0.1mm, is conical horn mouth shape.
Further technical solution also resides in, and the shell and magnetic boots are all made of pure iron or mild steel.
Further technical solution also resides in, and the bobbin uses the LY12 alloy aluminium through low-temperature insulation oxidation processes
Material.
Further technical solution also resides in, and the right both ends on the bobbin top are welded with a binding post, described
Binding post is connect with lead spring.
The beneficial effects of adopting the technical scheme are that in the present invention, according to electromagnetic induction principle, magnet steel group
Using to magnetic structure design, enhances radial magnetic field, reduce leakage field, improve magnetoelectricity and turn efficiency, increase the transfer ratio of wave detector；
Bobbin one-pass molding, using the LY12 alloy aluminum material of low-temperature insulation oxidation processes；Magnetic boots, shell are all made of pure iron or low-carbon
Steel material, magnetic conduction are preferable.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structural schematic diagram of the invention；
Wherein: 1, insulator；2, binding post；3, spring leaf；4, shell；5, temperature-compensating ring；6, magnetic boots；7, coil；8,
Bottom cover；9, top cover；10, lead spring；11, magnet steel；12, bobbin；13, sealing ring.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
During this reality is novel, shell 4 is tubulose using preferable materials of magnetic conductions such as pure iron or mild steel.Magnet steel group includes 3 pieces
The cylindric magnet steel 11 of coaxial arrangement and the magnetic boots 6 for being located at 11 both ends of magnet steel, and two magnetic poles opposite on adjacent magnet steel 11
Identical, shell 4 is that tubulose uses the preferable materials of magnetic conductions such as pure iron or mild steel, and a temperature is arranged on each magnet steel 11 and is mended
Repay ring 5.Magnet steel group is located in shell 4, and the upper port of shell 4 is equipped with top cover 9 by sealing ring 13, and lower port passes through sealing ring
13 are equipped with bottom cover 8.Magnet steel group is clamped the fixation for realizing magnet steel group axial position by top cover 9 and bottom cover 8,9 lower end of top cover it is convex
Decometer is in the shrinkage pool of magnet steel group the top magnetic boots upper surface, the boss of 8 upper end of bottom cover is stuck in the magnet steel group bottom lower end Ci Xue
The fixation of magnet steel group radial position is realized in the shrinkage pool in face.Top cover 9, spring leaf 3, magnet steel 11, magnetic boots 6 and bottom cover 8 are located at same
On one central axis.In the magnetic gap that coil group is located at magnet steel group and shell 4 forms, the upper and lower ends of coil group are respectively by upper and lower two
A spring leaf 3 supports, and the spring leaf 3 of upside is mounted between top cover 9 and magnet steel group, and the spring leaf 3 of downside is mounted on magnet steel group
Between bottom cover 8, spring leaf 3 with a thickness of 0.1mm, be conical horn mouth shape, coil group is by the bobbin 12 of aluminum and four
The coil 7 that is wound on bobbin 12 of group interval forms, and adjacent two coil 7 is around to opposite.Bobbin 12 is using exhausted through low temperature
The LY12 alloy aluminum material of edge oxidation processes.The right both ends on 12 top of bobbin are welded with a binding post 2, binding post 2
One end connect the other end with coil 7 and is connect by lead spring 10 with insulator 1, and insulator 1 is used to transmission telecommunications number and fixation
On top cover 9.
Claims (5)
1. a kind of novel moving coil formula high sensitivity geophone, it is characterised in that: shell (4) including tubulose is located at shell
(4) magnet steel group in is separately mounted to top cover (9) and bottom cover (8), coil at shell (4) two-port by sealing ring (13)
Group, the temperature-compensating ring (5) being set on magnet steel (11), circular spring leaf (3) and the insulator for exporting electric signal
(1)；The both ends of magnet steel group are against respectively on top cover (9) and bottom cover (8), and coil group is located at the magnetic of magnet steel group and shell (4) composition
In gap, the upper and lower ends of coil group are supported by upper and lower two spring leafs (3) respectively, and the spring leaf (3) of upside is mounted on top cover (9)
Between magnet steel group, the spring leaf (3) of downside is mounted between magnet steel group and bottom cover (8), and the insulator (1) passes through lead spring
(10) it is connect with coil (7), and insulator (1) is located at the upper surface of top cover (9), the top cover (9), spring leaf (3), magnet steel
(11), magnetic boots (6) and bottom cover (8) are located on same central axis；Magnet steel group includes the cylindric magnet steel of 3 pieces of coaxial arrangements
(11) and the magnetic boots (6) at magnet steel (11) both ends are located at, and two magnetic poles opposite on adjacent magnet steel (11) are identical, coil group by
The bobbin (12) of aluminum and four groups of intervals be wound on the coil (7) on bobbin (12) composition, and adjacent two coil (7) around to
On the contrary.
2. a kind of novel moving coil formula high sensitivity geophone according to claim 1, it is characterised in that: the spring
Piece (3) with a thickness of 0.1mm, be conical horn mouth shape.
3. a kind of novel moving coil formula high sensitivity geophone according to claim 1, it is characterised in that: the shell
(4) and magnetic boots (6) are all made of pure iron or mild steel.
4. a kind of novel moving coil formula high sensitivity geophone according to claim 1, it is characterised in that: the coil
Frame (12) uses the LY12 alloy aluminum material through low-temperature insulation oxidation processes.
5. a kind of novel moving coil formula high sensitivity geophone according to claim 1, it is characterised in that: the coil
The right both ends on frame (12) top are welded with a binding post (2), and the binding post (12) connect with lead spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811103261.0A CN109100781A (en) | 2018-09-20 | 2018-09-20 | A kind of novel moving coil formula high sensitivity geophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811103261.0A CN109100781A (en) | 2018-09-20 | 2018-09-20 | A kind of novel moving coil formula high sensitivity geophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109100781A true CN109100781A (en) | 2018-12-28 |
Family
ID=64866931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811103261.0A Pending CN109100781A (en) | 2018-09-20 | 2018-09-20 | A kind of novel moving coil formula high sensitivity geophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109100781A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030179103A1 (en) * | 2000-09-01 | 2003-09-25 | Masahiro Kamata | Geophone and method of manufacturing a geophone |
| CN203941296U (en) * | 2014-05-16 | 2014-11-12 | 涿州市文信石油装备有限公司 | The contrary magnetic device of a kind of seismoreceiver multipath magnetic circuit design |
| CN204028374U (en) * | 2014-08-07 | 2014-12-17 | 保定永诚天峰物探设备制造有限公司 | Omnidirectional's seismoreceiver |
| CN208953701U (en) * | 2018-09-20 | 2019-06-07 | 保定永诚天峰物探设备制造有限公司 | A kind of novel moving coil formula high sensitivity geophone |
-
2018
- 2018-09-20 CN CN201811103261.0A patent/CN109100781A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030179103A1 (en) * | 2000-09-01 | 2003-09-25 | Masahiro Kamata | Geophone and method of manufacturing a geophone |
| CN203941296U (en) * | 2014-05-16 | 2014-11-12 | 涿州市文信石油装备有限公司 | The contrary magnetic device of a kind of seismoreceiver multipath magnetic circuit design |
| CN204028374U (en) * | 2014-08-07 | 2014-12-17 | 保定永诚天峰物探设备制造有限公司 | Omnidirectional's seismoreceiver |
| CN208953701U (en) * | 2018-09-20 | 2019-06-07 | 保定永诚天峰物探设备制造有限公司 | A kind of novel moving coil formula high sensitivity geophone |
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