CN107065001A - A kind of double winding wideband closed loop geophone - Google Patents
A kind of double winding wideband closed loop geophone Download PDFInfo
- Publication number
- CN107065001A CN107065001A CN201710035235.8A CN201710035235A CN107065001A CN 107065001 A CN107065001 A CN 107065001A CN 201710035235 A CN201710035235 A CN 201710035235A CN 107065001 A CN107065001 A CN 107065001A
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- winding
- coil holder
- groove
- geophone
- insulator
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- 238000004804 winding Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000012212 insulator Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 6
- 229910000952 Be alloy Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 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
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- 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 present invention discloses a kind of double winding wideband closed loop geophone.The geophone includes：Magnetic force systems, coil holder, the first winding, the second winding；First winding technique is on the surface of the coil holder；Second winding technique is on the surface of first winding；The coil holder is inside the magnetic field that the magnetic force systems are produced；There is groove at two respectively at the pre-determined distance at the coil holder two ends；The groove of the coil holder upper end is the first groove, and the groove of the coil holder lower end is the second groove；First inside grooves are provided with spring leaf；Second inside grooves are provided with lower spring piece；First winding passes through the surface that the coil holder is wound on inside the crossed beam trunking, and first winding is bisected into two parts；Second winding passes through the surface that the coil holder is wound on inside the crossed beam trunking, and second winding is bisected into two parts.Can quickly it be detected using the geophone when there are slight vibrations, while also improving the measurement accuracy of geophone.
Description
Technical field
The present invention relates to seismic detection field, more particularly to a kind of double winding wideband closed loop geophone.
Background technology
The geophone largely used now, is still one group of winding of traditional use, single output (two terminals)
All kinds of geophones, though vortex acceleration type wave detector have some tentative applications, do not promote come all the time, study carefully
Its reason, does not substantially adapt to severe use environment；Dual output composite geophone has two groups of outputs, but the inspection
Two groups of windings are divided into sound two parts and are operated, it is necessary to be cooperated between quiet dynamic two parts by ripple device, two-part linking
Technique and complicated, it is too cumbersome to raw material process, therefore, the reliability and measurement essence of this kind of geophone
Degree is low.
The content of the invention
It is an object of the invention to provide a kind of double winding wideband closed loop geophone, it is possible to increase the survey of geophone
Accuracy of measurement.
To achieve the above object, the invention provides following scheme：
A kind of double winding wideband closed loop geophone, including：Magnetic force systems, coil holder, the first winding, the second winding；
First winding technique is on the surface of the coil holder；
Second winding technique is on the surface of first winding；
The inside in the magnetic field that the coil holder is produced in the magnetic force systems；
There is groove at two respectively at the pre-determined distance at the two ends of the coil holder；The groove of the upper end of the coil holder is the
One groove, the groove of the lower end of the coil holder is the second groove；The center section of the coil holder has crossed beam trunking；
The inside of first groove is provided with spring leaf；
The inside of second groove is provided with lower spring piece；
The inside of first winding through the crossed beam trunking is wound on the surface of the coil holder, and first winding is put down
It is divided into two parts；
The inside of second winding through the crossed beam trunking is wound on the surface of the coil holder, and second winding is put down
It is divided into two parts.
Optionally, the material of the upper spring leaf and the lower spring piece is beryllium alloy.
Optionally, the magnetic force systems are specifically included：Magnet steel, magnetic boots；
The magnetic boots are evenly distributed on the both sides up and down of the magnet steel.
Optionally, the material of the coil holder is metal alloy, and oxidation processes are carried out to the surface of the metal alloy.
Optionally, in addition to：Top cover, shell, bottom；
There are 4 circular holes on the top cover；
The top cover is fastened on the housing；
The bottom is fastened on the housing.
Optionally, in addition to：Lead spring, insulator；
The lead spring is used to respectively connect first winding, second winding with insulator；It is described exhausted
Edge has 4；
4 circular holes that every insulator is utilized respectively on the top cover are passed, and every insulator corresponds to described first respectively
The two ends of winding and the two ends of second winding, the induction electric for drawing first winding and second winding
Gesture.
The specific embodiment provided according to the present invention, the invention discloses following technique effect：Direct-on-line frame of the present invention
Two groups of windings of surface coiling, move two-part linking without quiet, improve the reliability of geophone, and being capable of basis
Single or two groups of windings the number of turn of increase and decrease is actually needed, according to the mutual cooperation of two groups of windings, so as to improve geophone
Measurement accuracy, widened the working band of geophone, reduce the harmonic distortion of the geophone.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the profile of geophone of the embodiment of the present invention；
Fig. 2 is the top view of coil holder of the embodiment of the present invention；
Fig. 3 is the top view of spring leaf in the embodiment of the present invention；
Fig. 4 is the top view of lower spring piece of the embodiment of the present invention；
Fig. 5 is the top view of geophone of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of double winding wideband closed loop geophone, the geophone is double winding four
Terminal closed loop geophone, i.e., be wound with two groups of windings on same coil holder, and by two groups of terminals (four insulators) point
The induced electromotive force of two groups of winding signals is not drawn, by the mutual cooperation of two windings, so as to improve geophone
Measurement accuracy.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
The present invention is made up of magnetic force systems, suspension body system, roof system and bottom enclosure system.Wherein suspension body system
It is suspended among the gap of magnetic force systems, two be wound on suspension body group coil is moved up and down with coil holder, cuts by magnetic force system
The magnetic line of force produced by system is completed, and is understood according to faraday's electromagnetic laws, and two groups of windings produce induced electromotive force, via top cover system
Two groups of lead springs and insulator in system are drawn, and bottom enclosure system coordinates magnetic force systems and suspension body system with roof system
It is encapsulated in a closed space.Fig. 1 is the profile of geophone of the embodiment of the present invention, as shown in figure 1, wherein, magnetic force
System is made up of magnet steel 105, magnetic boots 104, and the magnetic boots 104 are evenly distributed on the both sides up and down of the magnet steel 105, the magnetic boots
Magnetic field produced by 104 structure design can make magnet steel 105 is uniformly distributed in the both sides of magnetic boots 104；The material of the coil holder 101
Expect for metal alloy, oxidation processes are carried out to the surface of the metal alloy, specifically, the material of the coil holder 101 can be aluminium
Alloy, Fig. 2 is the top view of coil holder of the embodiment of the present invention, as shown in Figure 2.The geophone also includes being wound on coil holder 101
Surface winding a, b, and upper spring leaf 106 and lower spring piece 107, the upper spring leaf 106 and the lower spring piece 107
Material be beryllium alloy, specifically can be when in use heat-treated for beryllium-bronze or beallon etc., Fig. 3 for the present invention in fact
The top view of spring leaf in example is applied, Fig. 4 is the top view of lower spring piece of the embodiment of the present invention.Roof system is by top cover 111, insulation
(4) compositions of sub 110 (4) and lead spring 109, the selection of the material of lead spring 109 and specification can be joined to the index of the present invention
Number and frequency sweep curve produce influence, for example：Diameter and length of lead spring 109 etc. can be bent to the index parameter and frequency sweep of system
Line produces influence；Bottom enclosure system is made up of bottom 113 and shell 112；Fig. 5 bows for geophone of the embodiment of the present invention
View.
In specific practical application, a winding techniques are on the surface of the coil holder 101；The b winding techniques are described
The surface of a windings；The coil holder 101 is inside the magnetic field produced by the magnetic force systems；Positioned at the pre- of the two ends of coil holder 101
If there is groove at two at distance respectively；The groove of the upper end of coil holder 101 is the first groove, the groove of the lower end of coil holder 101
For the second groove；The center section of coil holder 101 has crossed beam trunking 108；First inside grooves are provided with spring leaf
106；Second inside grooves are provided with lower spring piece 107；The a windings are passed through inside the 3rd groove crossed beam trunking 108
The surface of the coil holder 101 is wound on, a windings are bisected into two parts；The b windings are passed through in the crossed beam trunking 108
Portion is wound on the surface of the coil holder 101, and the b windings are bisected into two parts.
In specific practical application, there are 4 circular holes on the top cover 111；The top cover 111 is fastened on the shell
On 112；The bottom 113 is fastened on the shell 112；The geophone of the present invention also includes：Lead spring 109, insulation
Son 110；The coil holder 101 is suspended on the top cover 111 and is connected with the insulator 110 by the lead spring 109；It is described exhausted
Edge 110 has 4；4 circular holes that every insulator 110 is utilized respectively on the top cover 111 are passed, every insulator 110
The two ends of a windings and the two ends of the b windings, the induced electricity for drawing a windings and the b windings are corresponded to respectively
Kinetic potential.Winding a and b is two independent parts, and one end of enamel-covered wire is separately begun around from the top of coil holder 101 during coiling, around
After the number of turn as defined in enough, part after coil holder 101 is moved to by the crossed beam trunking 108 (wire casing), after enough regulation numbers of turn, reserved
Tap, the winding that generally will be close to magnetic system is set to Working winding, because the enough height of sensitivity.
The present invention operationally coordinates the circuit of peripheral hardware so that working signal and feedback signal are worked in coordination, so that significantly
Reduce the harmonic distortion of the geophone, improve the signal to noise ratio of working band.
The present invention proposes two groups of windings of coiling on same coil rack, is drawn respectively by two groups of terminals (totally four)
The moving-coil speed geophone of signal.This two groups of windings can be arbitrarily defined as Working winding or feedback winding, subsequently exist
Can working in coordination by working signal and feedback signal in the circuit control of peripheral hardware so that be wound with the coil holder of two groups of windings
101 in a less scope internal vibration, so as to improve the measurement accuracy of the geophone, widen its work frequency
Band, the compacting by feedback signal to working signal noise jamming substantially reduces the harmonic distortion of the geophone, improved
The signal to noise ratio of working band.
The present invention also by the alias of conventional wave detector by being improved more than 240Hz to 330Hz, because structure of the present invention is carried out
Optimization design so that spare and accessory parts are easy to process, finished product assembly technology is succinctly easy to operate, system reliability, stability are high.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention；Simultaneously for those of ordinary skill in the art, foundation
The thought of the present invention, will change in specific embodiments and applications.In summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (6)
1. a kind of double winding wideband closed loop geophone, it is characterised in that including：Magnetic force systems, coil holder, the first winding,
Two windings；
First winding technique is on the surface of the coil holder；
Second winding technique is on the surface of first winding；
The inside in the magnetic field that the coil holder is produced in the magnetic force systems；
There is groove at two respectively at the pre-determined distance at the two ends of the coil holder；The groove of the upper end of the coil holder is first recessed
Groove, the groove of the lower end of the coil holder is the second groove；The center section of the coil holder has crossed beam trunking；
The inside of first groove is provided with spring leaf；
The inside of second groove is provided with lower spring piece；
The inside of first winding through the crossed beam trunking is wound on the surface of the coil holder, and first winding is bisected into
Two parts；
The inside of second winding through the crossed beam trunking is wound on the surface of the coil holder, and second winding is bisected into
Two parts.
2. geophone according to claim 1, it is characterised in that the material of the upper spring leaf and the lower spring piece
Expect for beryllium alloy.
3. geophone according to claim 1, it is characterised in that the magnetic force systems are specifically included：Magnet steel, magnetic
Boots；
The magnetic boots are evenly distributed on the both sides up and down of the magnet steel.
4. geophone according to claim 1, it is characterised in that the material of the coil holder is metal alloy, to institute
The surface for stating metal alloy carries out oxidation processes.
5. geophone according to claim 1, it is characterised in that also include：Top cover, shell, bottom；
There are 4 circular holes on the top cover；
The top cover is fastened on the housing；
The bottom is fastened on the housing.
6. geophone according to claim 5, it is characterised in that also include：Lead spring, insulator；
The lead spring is used to respectively connect first winding, second winding with insulator；
The insulator has 4；
4 circular holes that every insulator is utilized respectively on the top cover are passed, and every insulator corresponds to first winding respectively
Two ends and second winding two ends, the induced electromotive force for drawing first winding and second winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035235.8A CN107065001A (en) | 2017-01-18 | 2017-01-18 | A kind of double winding wideband closed loop geophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710035235.8A CN107065001A (en) | 2017-01-18 | 2017-01-18 | A kind of double winding wideband closed loop geophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107065001A true CN107065001A (en) | 2017-08-18 |
Family
ID=59599096
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710035235.8A Pending CN107065001A (en) | 2017-01-18 | 2017-01-18 | A kind of double winding wideband closed loop geophone |
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| Country | Link |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221884A (en) * | 1997-12-29 | 1999-07-07 | 石油地球物理勘探局仪器总厂 | Magnetic ring type earthquake demodulator |
| US20110007609A1 (en) * | 2009-07-08 | 2011-01-13 | Geospace Technologies, Lp | Vertical geophone having improved distortion characteristics |
| CN201845085U (en) * | 2010-11-18 | 2011-05-25 | 中国石油集团东方地球物理勘探有限责任公司 | Velocity-type magnetoelectric seismic detector |
| CN102901982A (en) * | 2012-11-14 | 2013-01-30 | 西安森舍电子科技有限责任公司 | Dual-output end geophone |
| CN103235336A (en) * | 2013-04-23 | 2013-08-07 | 涿州昌迪石油仪器有限公司 | Broadband moving-coil earthquake detector |
| CN103777233A (en) * | 2014-01-22 | 2014-05-07 | 西安森舍电子科技有限责任公司 | Seismic detector capable of carrying out temperature compensation on damping |
| CN104101899A (en) * | 2013-04-02 | 2014-10-15 | 赛思地球物理科技有限公司 | Multi-coil multi-terminal closed-loop geophone accelerometer |
| CN105824045A (en) * | 2016-05-10 | 2016-08-03 | 西安森舍电子科技有限责任公司 | Geophone with low frequency, large damping and high sensitivity |
| CN206470413U (en) * | 2017-01-18 | 2017-09-05 | 西安森舍电子科技有限责任公司 | A kind of double winding wideband closed loop geophone |
-
2017
- 2017-01-18 CN CN201710035235.8A patent/CN107065001A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221884A (en) * | 1997-12-29 | 1999-07-07 | 石油地球物理勘探局仪器总厂 | Magnetic ring type earthquake demodulator |
| US20110007609A1 (en) * | 2009-07-08 | 2011-01-13 | Geospace Technologies, Lp | Vertical geophone having improved distortion characteristics |
| CN201845085U (en) * | 2010-11-18 | 2011-05-25 | 中国石油集团东方地球物理勘探有限责任公司 | Velocity-type magnetoelectric seismic detector |
| CN102901982A (en) * | 2012-11-14 | 2013-01-30 | 西安森舍电子科技有限责任公司 | Dual-output end geophone |
| CN104101899A (en) * | 2013-04-02 | 2014-10-15 | 赛思地球物理科技有限公司 | Multi-coil multi-terminal closed-loop geophone accelerometer |
| CN103235336A (en) * | 2013-04-23 | 2013-08-07 | 涿州昌迪石油仪器有限公司 | Broadband moving-coil earthquake detector |
| CN103777233A (en) * | 2014-01-22 | 2014-05-07 | 西安森舍电子科技有限责任公司 | Seismic detector capable of carrying out temperature compensation on damping |
| CN105824045A (en) * | 2016-05-10 | 2016-08-03 | 西安森舍电子科技有限责任公司 | Geophone with low frequency, large damping and high sensitivity |
| CN206470413U (en) * | 2017-01-18 | 2017-09-05 | 西安森舍电子科技有限责任公司 | A kind of double winding wideband closed loop geophone |
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Effective date of registration: 20181210 Address after: 710100 Crystal Island Service Apartment No. 38, South Section of Fenghui South Road, Xi'an High-tech Zone, Shaanxi Province, No. 2, 11431 Applicant after: Xi'an Xuzhi Petroleum Engineering Service Co.,Ltd. Address before: 710000 No. 58 Industrial Second Road, Xi'an Space Base, Shaanxi Province Applicant before: XIAN SENSHE ELECTRONIC TECHNOLOGY Corp. |
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Effective date of abandoning: 20240126 |