CN105259523B - The probe and method of detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique - Google Patents
The probe and method of detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique Download PDFInfo
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- CN105259523B CN105259523B CN201510682421.1A CN201510682421A CN105259523B CN 105259523 B CN105259523 B CN 105259523B CN 201510682421 A CN201510682421 A CN 201510682421A CN 105259523 B CN105259523 B CN 105259523B
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Abstract
The present invention is a kind of probe and its manufacturing method of the detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique.Include substrate, excitation coil, magnetic core main shaft, detection coil, wherein enamel covered wire is wound on excitation coil sebific duct and forms excitation coil, enamel covered wire is wound on detection coil sebific duct and forms detection coil, fixing piece is fixed on substrate, one end of excitation coil sebific duct is fixed on fixing piece, this one end of excitation coil sebific duct cannot move, one end of detection coil sebific duct passes through fixing piece, this one end of detection coil sebific duct can freely move horizontally, the other end of excitation coil sebific duct and the other end of detection coil sebific duct are inserted into the both ends of magnetic core main shaft respectively, and this one end that detection coil sebific duct can be moved horizontally freely is connect with magnetic control shape memory alloy.The present invention overcomes the precision for the defects of strain resistor instrument nonrepeatability, improving detection mangneto dependent variable.
Description
Technical field
The present invention is a kind of probe and method of the detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique, belongs to and is based on
The probe of detection magneto-strain amount of Peak Intensity Method Fluxgate Technique and the innovative technology of method.
Background technology
The magneto-strain of magnetic shape memory alloy maximum is 9.4%, and highest response frequency is up to 5000Hz.In order into one
Step probes into the magnetic shape memory effect under magnetic control shape memory alloy controls in magnetic field, it would be desirable to detect MSME and be controlled in magnetic field
Minute shape deformation under system.And it is current, only limited by strain resistor instrument to detect the miniature deformation of MSME.One is answered
Become the detection limited accuracy of resistance instrument.Secondly, control MSME external magnetic field may have a certain impact to straingauge.
Thirdly, strain resistor instrument cannot detect the miniature deformation of marmem in real time.Four, foil gauge nonrepeatability is made
Into waste.
Invention content
A kind of detection mangneto based on Peak Intensity Method Fluxgate Technique is provided it is an object of the invention to consider the above problem
The probe of dependent variable.The present invention can detect answering for magnetic control shape memory alloy in real time under conditions of it there is control magnetic field
Variable, and present invention detection accuracy is high, it is convenient and practical.
Another object of the present invention is to provide a kind of spy of the detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique
The manufacturing method of head.The present invention is easy to operate, at low cost.
The technical scheme is that：The spy of the detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique of the present invention
Head includes substrate, excitation coil, magnetic core main shaft, detection coil, and wherein enamel covered wire is wound on excitation coil sebific duct and is formed
Excitation coil, enamel covered wire, which is wound on detection coil sebific duct, forms detection coil, and fixing piece is fixed on substrate, excitation coil
One end of sebific duct is fixed on fixing piece, this one end of excitation coil sebific duct cannot move, and one end of detection coil sebific duct passes through
Fixing piece, this one end of detection coil sebific duct can freely move horizontally, and excitation coil sebific duct is inserted at the both ends of magnetic core main shaft respectively
The other end and detection coil sebific duct the other end, and this one end that can freely move horizontally of detection coil sebific duct and Magnetic Shape
Memorial alloy connects.
The present invention is based on the manufacturing method of the probe of the detection magneto-strain amount of Peak Intensity Method Fluxgate Technique, including walking as follows
Suddenly：
1）Two fixing pieces are fixed on the both sides of substrate；
2）By one end of the excitation coil sebific duct of coiling enamel covered wire and coiling the detection coil sebific duct of enamel covered wire
One end be respectively interposed in two fixing pieces, and excitation coil sebific duct is fixed on fixing piece；
3）The both ends of magnetic core main shaft are interted to the other end of the other end and detection coil sebific duct into excitation coil sebific duct again
In, and bond one end of magnetic core main shaft and excitation coil sebific duct；
4）Detection coil sebific duct is connected with magnetic control shape memory alloy, and detection coil sebific duct is with Magnetic Shape
The magneto-strain energy level of memorial alloy moves freely.
The present invention is interted using the magnetic core being formed by stacking by multilayer Fe-based amorphous alloy foil into the excitation line of coiling respectively
In circle and the sebific duct of detection coil, the sebific duct of detection coil is connected with magnetic control shape memory alloy, can be with the shape of memorial alloy
Shape variation is moved on substrate；The sebific duct of excitation coil is fixed on by fixing end on substrate, and combination forms Single-core and double-winding
For detect magnetic control shape memory alloy magneto-strain amount fluxgate magnetic core.The present invention is overcome under the control of magnetic field, no
The difficulty of memorial alloy dependent variable can accurately be measured.Overcome strain resistor instrument nonrepeatability, low precision, easily by control magnetic field
The shortcomings that influence, improves the precision of detection mangneto dependent variable.The present invention is a kind of ingenious in design, function admirable, convenient and practical
Based on Peak Intensity Method Fluxgate Technique detection magneto-strain amount probe.The manufacturing method of the present invention is easy to operate, facilitates reality
With at low cost.
Description of the drawings
Fig. 1 is the structure diagram that the present invention pops one's head in；
Fig. 2 is the structure diagram of magnetic core main shaft in the present invention.
Specific embodiment
Embodiment：
The structure diagram of the present invention is as shown in Figure 1, the detection mangneto based on Peak Intensity Method Fluxgate Technique of the present invention should
The probe of variable, includes substrate 1, excitation coil 3, magnetic core main shaft 4, detection coil 5, and wherein enamel covered wire is wound on excitation line
It encloses and excitation coil 3 is formed on sebific duct 9, enamel covered wire is wound on formation detection coil 5, fixing piece 2 on detection coil sebific duct 6 and fixes
On substrate 1, one end of excitation coil sebific duct 9 is fixed on fixing piece 2, this one end of excitation coil sebific duct 9 cannot move, inspection
One end of test coil sebific duct 6 passes through fixing piece 2, this one end of detection coil sebific duct 6 can freely move horizontally, magnetic core main shaft 4
The other end of excitation coil sebific duct 9 and the other end of detection coil sebific duct 6 are inserted into both ends respectively, and detection coil sebific duct 6 can be certainly
It is connect by this one end moved horizontally by connector 8 with magnetic control shape memory alloy.
In the present embodiment, above-mentioned magnetic core main shaft 4 is coincided, then pass through adhesives by several Fe-based amorphous alloy foils 7
Together, it is made after hardened.
In the present embodiment, the apparent ingredient of above-mentioned Fe-based amorphous alloy foil 7 is Fe14Cu1Nb3Si13B9.
In the present embodiment, above-mentioned Fe-based amorphous alloy foil 7 is placed in the stove that temperature is 250 °C and keeps the temperature 20 minutes, empty
It is cooled to after room temperature and coincides, bond, harden, magnetic core main shaft 4 is made.The magnetic core of the fluxgate magnetic core through adhesive curing, with
This magnetic core main shaft as coiling.The effect of adhesive curing is the rigidity of raising magnetic core, is conveniently interspersed in main shaft
In circle, the precision of previous level displacement is improved.
In the present embodiment, a diameter of 0.4 millimeter of above-mentioned enamel covered wire.Above-mentioned excitation coil sebific duct 9 and detection coil glue
The radius of pipe 6 is 2.5mm.Above-mentioned enamel covered wire difference coiling 100-600 circles are in excitation coil sebific duct 9 and detection coil sebific duct 6
Upper formation excitation coil 3 and detection coil 5.The length of excitation coil sebific duct 9 is 15mm, and the length of detection coil sebific duct 6 is
30mm。
In the present embodiment, this one end that above-mentioned detection coil sebific duct 6 can be moved horizontally freely passes through connector 8 and magnetic control shape
Shape memory alloys connect.
In the present embodiment, above-mentioned fixing piece 2 is the transparent plastic sebific duct that radius is 3mm, length is 3mm, is consolidated with adhesive
Due on substrate 1.
The present invention is based on the manufacturing method of the probe of the detection magneto-strain amount of Peak Intensity Method Fluxgate Technique, including walking as follows
Suddenly：
1）Two fixing pieces 2 are fixed on the both sides of substrate 1；
2）By one end of the excitation coil sebific duct 9 of coiling enamel covered wire and coiling the detection coil sebific duct of enamel covered wire
6 one end is respectively interposed in two fixing pieces 2, and excitation coil sebific duct 9 is fixed on fixing piece 2；
3）Again by the both ends of magnetic core main shaft 4 intert into excitation coil sebific duct 9 the other end and detection coil sebific duct 6 it is another
In end, and bond one end of magnetic core main shaft 4 and excitation coil sebific duct 9；
4）Detection coil sebific duct 6 is connected with magnetic control shape memory alloy, and detection coil sebific duct 6 is with magnetic control shape
The magneto-strain energy level of shape memory alloys moves freely.
The testing principle of the present invention：Due to the size of induced electromotive force for upper detection coil of popping one's head in and the spacing one of two coils
It is substantially linear in fixed range.There is magneto-strain in the magnetic control shape memory alloy being connected with detection coil sebific duct
When, it will act on probe so that the spacing variation of upper two coil of probe changes the size of induced electromotive force, passes through detection
The size of induced electromotive force can obtain the dependent variable of magnetic control shape memory alloy.
The present invention uses the fluxgate magnetic core of Single-core and double-winding, linear using coil-span and induction coil electromotive force
This rule of relationship devises the horizontally movable probe of detection coil sebific duct, by Peak Intensity Method Fluxgate Technique, detects magnetic
Dependent variable is caused, overcomes strain resistor instrument nonrepeatability, low precision the shortcomings that easily influence by control magnetic field, improves detection
The precision of magneto-strain amount.
Claims (10)
1. a kind of probe of the detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique, includes excitation coil, magnetic core master
Axis, detection coil, wherein enamel covered wire, which are wound on excitation coil sebific duct, forms excitation coil, and enamel covered wire is wound on detection line
Detection coil is formed on circle sebific duct, and one end of excitation coil sebific duct and detection coil sebific duct are inserted into the both ends of magnetic core main shaft respectively
One end, it is characterised in that further included substrate and fixing piece, fixing piece is fixed on substrate, and the other end of excitation coil sebific duct is consolidated
It is scheduled on fixing piece, this end that excitation coil sebific duct is fixed on fixing piece cannot move, and the other end of detection coil sebific duct is worn
Fixing piece is crossed, detection coil sebific duct passes through this end of fixing piece that can freely move horizontally, and detection coil sebific duct can be freely horizontal
This mobile end is connect with magnetic control shape memory alloy.
2. the probe of the detection magneto-strain amount according to claim 1 based on Peak Intensity Method Fluxgate Technique, feature exist
It is coincided, then by adhesives together by several Fe-based amorphous alloy foils in above-mentioned magnetic core main shaft, is made after hardened.
3. the probe of the detection magneto-strain amount according to claim 2 based on Peak Intensity Method Fluxgate Technique, feature exist
In above-mentioned Fe-based amorphous alloy foil apparent ingredient be Fe14Cu1Nb3Si13B9。
4. the probe of the detection magneto-strain amount according to claim 2 based on Peak Intensity Method Fluxgate Technique, feature exist
It is to keep the temperature 20 minutes in 250 °C of stove to be placed in temperature in above-mentioned Fe-based amorphous alloy foil, is air-cooled to after room temperature and coincides, glues
Knot, hardening, are made magnetic core main shaft.
5. the probe of the detection magneto-strain amount according to claim 1 based on Peak Intensity Method Fluxgate Technique, feature exist
In a diameter of 0.4 millimeter of above-mentioned enamel covered wire.
6. the probe of the detection magneto-strain amount according to claim 1 based on Peak Intensity Method Fluxgate Technique, feature exist
In the radius of above-mentioned excitation coil sebific duct and detection coil sebific duct be 2.5mm.
7. the probe of the detection magneto-strain amount according to any one of claims 1 to 6 based on Peak Intensity Method Fluxgate Technique,
It is characterized in that above-mentioned enamel covered wire difference coiling 100-600 circles form excitation on excitation coil sebific duct and detection coil sebific duct
Coil and detection coil.
8. the probe of the detection magneto-strain amount according to claim 7 based on Peak Intensity Method Fluxgate Technique, feature exist
It is connect in this one end that above-mentioned detection coil sebific duct can be moved horizontally freely by connector with magnetic control shape memory alloy.
9. the probe of the detection magneto-strain amount according to claim 8 based on Peak Intensity Method Fluxgate Technique, feature exist
It is the transparent plastic sebific duct that radius is 3mm, length is 3mm in above-mentioned fixing piece, is fixed on substrate with adhesive.
A kind of 10. manufacturing method of the probe of the detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique, it is characterised in that packet
Include following steps：
1）Two fixing pieces are fixed on the both sides of substrate；
2）By the one of the detection coil sebific duct of one end of the excitation coil sebific duct of coiling enamel covered wire and coiling enamel covered wire
End is respectively interposed in two fixing pieces, and excitation coil sebific duct is fixed on fixing piece；
3）The both ends of magnetic core main shaft are interted again in the other end of excitation coil sebific duct and the other end of detection coil sebific duct, and
The one end and excitation coil sebific duct for making magnetic core main shaft bond；
4）Detection coil sebific duct is connected with magnetic control shape memory alloy, and detection coil sebific duct is with magnetic control shape memory
The magneto-strain energy level of alloy moves freely.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510682421.1A CN105259523B (en) | 2015-10-21 | 2015-10-21 | The probe and method of detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique |
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|---|---|---|---|
| CN201510682421.1A CN105259523B (en) | 2015-10-21 | 2015-10-21 | The probe and method of detection magneto-strain amount based on Peak Intensity Method Fluxgate Technique |
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| CN105259523A CN105259523A (en) | 2016-01-20 |
| CN105259523B true CN105259523B (en) | 2018-06-26 |
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| CN103765237A (en) * | 2011-08-31 | 2014-04-30 | 西门子公司 | Measurement head for a magnetoelastic sensor |
Family Cites Families (1)
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|---|---|---|---|---|
| CN1078046C (en) * | 1997-07-31 | 2002-01-23 | 珠海格力电器股份有限公司 | Method and apparatus for freshness retaining of fruits and vegitables |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5568125A (en) * | 1994-06-30 | 1996-10-22 | Sensormatic Electronics Corporation | Two-stage annealing process for amorphous ribbon used in an EAS marker |
| CN101118277A (en) * | 2007-08-24 | 2008-02-06 | 北京航空航天大学 | Magnetic striction material dynamic parameter testing system |
| CN102147451A (en) * | 2011-01-14 | 2011-08-10 | 广东工业大学 | Fluxgate probe based on ferrous amorphous alloy magnetic core and method for making fluxgate probe |
| CN103765237A (en) * | 2011-08-31 | 2014-04-30 | 西门子公司 | Measurement head for a magnetoelastic sensor |
| CN203551760U (en) * | 2013-10-30 | 2014-04-16 | 河北工业大学 | Magnetic characteristic testing instrument for magnetostrictive material |
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| 一种磁致伸缩位移传感器的优化设计方法;李丛珊等;《传感技术学报》;20140930;第27卷(第9期);第1202-1207页 * |
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