CN105068028B - A kind of magnetic material magnetization characteristic measurement apparatus - Google Patents
A kind of magnetic material magnetization characteristic measurement apparatus Download PDFInfo
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- CN105068028B CN105068028B CN201510598438.9A CN201510598438A CN105068028B CN 105068028 B CN105068028 B CN 105068028B CN 201510598438 A CN201510598438 A CN 201510598438A CN 105068028 B CN105068028 B CN 105068028B
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Abstract
The present invention relates to a kind of magnetic material magnetization characteristic measurement apparatus, including housing and cable, provided with winding component, coil block in the housing, described coil block includes clamping rings, some aperture blades, some fixing axles, some rotary shafts, described winding component includes heart axle, cable sleeve and volute spring, and the circle that the through hole that cable sequentially passes through all rotary shafts is surrounded is measuring coil.The present invention uses the principle of aperture blades, adjust the size of measuring coil, so that a magnetic property measuring instrument need to only be equipped with a measuring coil, greatly reduce manufacturing cost, using a measuring coil, the magnetization characteristic of the terres rares sample of different size can be measured, makes staff without being replaced as frequently as measuring coil again, time waste is reduced, production efficiency is improved.
Description
Technical field
The present invention relates to a kind of magnetic material magnetization characteristic measurement apparatus.
Background technology
The process of the demagnetizing curve of the terres rares samples such as neodymium iron boron, SmCo is measured using magnetic property automatic measuring instrument is：
Suitable measuring coil is selected according to sample size, material category, selects appropriate further according to properties of product requirement and sample specification
Magnetize electric current and demagnetization current coefficient, after after drift stabilization, sample is loaded into measuring coil rapidly, is put into electromagnet and closes
Start after cartridge, you can measurement demagnetizing curve.
Wherein, suitable coil refers to that the area of measuring coil and the sectional area in the sample direction of magnetization are closer to, right
Need to select different measuring coils in the terres rares sample of different size, therefore a magnetic property automatic measuring instrument needs to match somebody with somebody
The measuring coil of standby tens different-diameter sizes, not only increases the manufacturing cost of equipment, and measuring instrument is when in use more
Change measuring coil also to bother, have impact on production efficiency.
The content of the invention
Technical problem solved by the invention is to provide a kind of magnetic material magnetization characteristic measurement apparatus, above-mentioned to solve
Shortcoming in background technology.
Technical problem solved by the invention is realized using following technical scheme：
The present invention is provided to be provided with a kind of magnetic material magnetization characteristic measurement apparatus, including housing and cable, the housing
Component, coil block are wound, described coil block includes clamping rings, some aperture blades, some fixing axles, some rotations
Axle, clamping rings is on housing, and clamping rings is each provided with equally distributed some circular holes on concentric a certain circle
The circular hole connects one end of an aperture blades by fixing axle correspondence, and the other end of aperture blades is provided with countersunk head through hole, countersunk head
Rotary shaft is installed, the top of rotary shaft is provided with a through hole in through hole, described cable one end sequentially pass through some rotary shafts it
One through hole, and the through hole of remaining rotary shaft is then sequentially passed through, then after the through hole of one of some rotary shafts this described is passed
It is connected on negative electricity pole, the other end is connected on positive electricity pole after winding some circles of component, and cable sequentially passes through all rotations
The circle that the through hole of rotating shaft is surrounded is measuring coil.
Winding component of the present invention includes heart axle, cable sleeve and volute spring, and heart axle is fixed on housing, cable
Sleeve is I-shaped sleeve, and one end center of cable sleeve is provided with positioning hole, and positioning hole is socketed on heart axle, and other end center is set
There is knob, knob is provided with locking device；The outer ring of cable sleeve is to wind groove for winding the cable of cable, and inner chamber is pacified for spring
It behave affectedly, volute spring is arranged in spring installation cavity, and the fixing end of volute spring is fixed on heart axle, the cylinder of cable sleeve
Wall is provided with the first positioning port for being used for fixing volute spring, and the free end of volute spring is fixed on the first positioning port, cable
The second positioning port for fixed cable is additionally provided with the barrel of sleeve, positive electricity pole is in the second positioning port.
Countersunk head through hole of the present invention is by being centrally located at being made up of hole and counter sink on straight line, countersunk head hole position
In the bottom surface of aperture blades.
Rotary shaft of the present invention is countersunk head bearing pin with holes, and one end of the countersunk head bleed screw is positioned using stub end,
The other end is positioned using jump ring.
Rotary shaft of the present invention is plastic rivet.
Housing of the present invention is provided with the first wrapping post and the second wrapping post positioned at clamping rings outside, first
Sleeve is designed with wrapping post and the second wrapping post.
The present invention also provides a kind of adjusting method of magnetic material magnetization characteristic measurement apparatus, described adjusting method bag
Include：When needing the area by measuring coil to turn down, turn knobs make volute spring produce elastic deformation, while making cable cover
Cylinder rotation, length increase of the cable on cable sleeve, cable pulls all rotary shafts to come closer contractions, so that measuring line
The area of circle reduces；When the area of measuring coil is decreased to the area of needs, locking knob, you can carry out magnetization characteristic survey
Amount；After measurement is finished, the locking of knob is released, volute spring resiles under spring action, and cable sleeve
Also initial position is transferred back to, is stretched so that cable is returned, cable will be strutted outside each axial rotary, and the area of measuring coil recovers to first
Beginning size.
Advantage and beneficial effect：
（1）The present invention adjusts the size of measuring coil, so that a permanent magnetism spy using the principle of aperture blades
Property measuring instrument need to only be equipped with a measuring coil, greatly reduce manufacturing cost；
（2）Only need to be that can adjust by adjusting knob when measuring the magnetization characteristic of rare-earth-type material sample using the present invention
The magnitude range increase of the size of measuring coil, i.e. measuring coil, makes the specification for the sample that can be measured select to increase, makes to measure
Demagnetizing curve it is more accurate；
（3）Using the present invention, only with a measuring coil, the magnetization that can measure the terres rares sample of different size is special
Property, make staff without being replaced as frequently as measuring coil again, reduce time waste, improve production efficiency.
Brief description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of embodiment of the present invention.
Fig. 2 is the top view of aperture blades.
Fig. 3 is Fig. 2 front view.
The enlarged drawing that Fig. 4 is A in Fig. 3.
Fig. 5 is the structural representation of the first embodiment of rotary shaft.
Fig. 6 is the structural representation of the second embodiment of rotary shaft.
Fig. 7 is the structural representation of cable sleeve.
Fig. 8 is a kind of dimensional structure diagram of embodiment of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Fig. 1-8 is a kind of internal structure schematic diagram of the magnetic material magnetization characteristic measurement apparatus of embodiment of the present invention,
It includes housing 1, coil block 2, winding component 3 and cable 4, and coil block 2, winding component 3 and cable 4 are arranged on housing 1
It is interior；Housing 1 is fastened by the first symmetrical housing 11 and the second housing and formed.
Coil block 2 includes clamping rings 21, some aperture blades 22, some fixing axles 23, some rotary shafts 24, fixed
Annulus 21 is on the first housing 11, and clamping rings 21 is provided with equally distributed some circular holes on concentric a certain circle,
Each circular hole connects one end of an aperture blades 22 by the correspondence of fixing axle 23, and the other end of aperture blades 22 is provided with countersunk head
Rotary shaft 24 is installed, rotary shaft 24 can be relative to the flexible rotating of countersunk head through hole 25, rotary shaft in through hole 25, countersunk head through hole 25
24 top is provided with a through hole, and cable 4 passes through the through hole of one of some rotary shafts 24, and then sequentially passes through remaining rotary shaft 24
Through hole, then passed from the through hole of one of some rotary shafts 24, surround the measuring coil for the closure that the number of turn is a circle.
Countersunk head through hole 25 is by being centrally located at being made up of hole 251 and counter sink 252 on straight line, counter sink 252
In the bottom surface of aperture blades 22；Rotary shaft 24 is inserted into countersunk head through hole 25, and rotary shaft 24 can both use countersunk head pin with split pin hole
Axle, it would however also be possible to employ plastic rivet, can make rotary shaft 24 be engaged fixation in the axial direction with countersunk head through hole 25, in radial direction side
To slightly loosening；When rotary shaft 24 is set to countersunk head bearing pin 241 with holes, one end of countersunk head bearing pin 241 with holes is head end, head end
In counter sink 252, the other end is foot, and foot carries out axially position provided with jump ring 242, is additionally provided with for wearing cable
4 through hole；When rotary shaft 24 is set to plastic rivet 243, the plastic rivet 243 is fitted in countersunk head through hole 25, and plastics riveting
The foot of nail 243 utilizes natural resiliency distending, tightly buckles in counter sink 252, the head end of plastic rivet 243 also is provided with being used for
Wear the through hole of cable 4.
Winding component 3 includes heart axle 31, cable sleeve 32, volute spring 33, and heart axle is fixed on housing 1；Cable sleeve
32 be I-shaped sleeve, and one end center of cable sleeve 32 is provided with positioning hole 34, and positioning hole 34 is socketed on heart axle 31, cable cover
32 inner chambers of cylinder are spring installation cavity 35, and volute spring 33 is arranged in spring installation cavity 35, the fixing end clamping of volute spring 33
It is fixed on heart axle 31, the barrel of cable sleeve 32 is provided with the first positioning port 36 for being used for fixing volute spring, volute spring 33
Free end be fixed on the first positioning port 36, the other end center of cable sleeve 32 is provided with knob 39, and knob 39 is filled with locking
Connection is put, turn knob 39 rotates cable sleeve 32, you can volute spring 33 is produced outside elastic deformation, cable sleeve 32
Enclose and wind the second positioning port 38 being additionally provided with groove 37, the barrel of cable sleeve 32 for fixed cable 4 for cable.
Positive electricity pole is provided with second positioning port 38, the first housing 11 is provided with first positioned at the outside of clamping rings 21
Sleeve is designed with the wrapping post 13 of wrapping post 12 and second, the first wrapping post 12 and the second wrapping post 13, enables cable 4 along
One wrapping post 12 and the easy slide of the second wrapping post 13；The one end of cable 4 is fixed on positive electricity pole, and the other end winds groove in cable
In 37 after winding number circle, bypass the switch-on coil component 2 of the first wrapping post 12, the cable 4 picked out from coil block 2 bypass second around
Terminal 13 connects negative electricity pole.Provided with regulation circuit in housing 1, positive electricity pole and negative electricity pole are connected with regulation circuit.
Thus, by adjusting the magnetization characteristic that the size of measuring coil can measure the terres rares sample of different size, it is
Convenience, describes to be described with orientation shown in Fig. 1 below, the adjusting method of magnetic material magnetization characteristic measurement apparatus is：
1）When initial, the elastic deformation of volute spring 33 is zero, and the one end of cable 4 is fixed on positive electricity pole, other end volume
Around cable sleeve 32 after a few, the through hole that all rotary shafts 24 are passed through after the first wrapping post 12 is bypassed, the second coiling is then passed around
Post 13 is connected on negative electricity pole, and now the area of measuring coil is maximum；
2）When needing the area by measuring coil to turn particular area down, turn knobs 39 counterclockwise make cable sleeve
32 rotate counterclockwises, volute spring 33 produces elastic deformation, while part of the cable 4 on cable sleeve 32 is increased, line
Cable 4 pulls each rotary shaft 24 to come closer contraction, and cable 4 sequentially passes through the measuring coil area that all rotary shafts 24 surround and become
It is small, now knob 39 is locked, you can the measuring coil for obtaining particular area carries out magnetization characteristic measurement；
3）When measurement is finished, the locking of knob 39 is released, volute spring 33 resiles under elastic acting force, cable cover
Cylinder 32 also turns clockwise automatically, and cable 4 is returned to the left overs pine, so that each aperture blades 22 be strutted, sequentially passes through all rotations
The measuring coil area that rotating shaft 24 is surrounded becomes big, and recovers to initial size.
Wherein, cable 4 has certain degree of hardness, cable 4 is strutted aperture blades 22 when returning and stretching.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of magnetic material magnetization characteristic measurement apparatus, including housing and cable, it is characterised in that：Provided with receipts in the housing
Wound module, coil block, described coil block include clamping rings, some aperture blades, some fixing axles, some rotations
Axle, clamping rings is on housing, and clamping rings is each provided with equally distributed some circular holes on concentric a certain circle
The circular hole connects one end of an aperture blades by fixing axle correspondence, and the other end of aperture blades is provided with countersunk head through hole, countersunk head
Rotary shaft is installed, the top of rotary shaft is provided with a through hole, and described cable one end first passes through some rotary shafts in through hole
Wherein one rotation shaft through-hole, and remaining rotation shaft through-hole is then sequentially passed through, then worn from the rotation shaft through-hole first passed through
It is connected to after going out on negative electricity pole, the other end is connected on positive electricity pole after winding some circles of component, and cable sequentially passes through institute
The circle that the through hole for having rotary shaft is surrounded is measuring coil.
2. a kind of magnetic material magnetization characteristic measurement apparatus according to claim 1, it is characterised in that described winding group
Part includes heart axle, cable sleeve and volute spring, and heart axle is fixed on housing, and cable sleeve is I-shaped sleeve, cable sleeve
One end center be provided with positioning hole, positioning hole is socketed on heart axle, and other end center is provided with knob, and knob is provided with locking device；
The outer ring of cable sleeve is to wind groove for winding the cable of cable, and inner chamber is spring installation cavity, and volute spring is arranged on spring
In installation cavity, the fixing end of volute spring is fixed on heart axle, and the barrel of cable sleeve, which is provided with, to be used to fix snail volume bullet
First positioning port of spring, the free end of volute spring is fixed on the first positioning port, and being additionally provided with the barrel of cable sleeve is used for
Second positioning port of fixed cable, positive electricity pole is in the second positioning port.
3. a kind of magnetic material magnetization characteristic measurement apparatus according to claim 1, it is characterised in that described countersunk head leads to
Hole is located at the bottom surface of aperture blades by being centrally located at being made up of hole and counter sink on straight line, counter sink.
4. a kind of magnetic material magnetization characteristic measurement apparatus according to claim 1, it is characterised in that described rotary shaft
For countersunk head bearing pin with holes, one end of countersunk head bearing pin with holes is positioned using stub end, and the other end is positioned using jump ring.
5. a kind of magnetic material magnetization characteristic measurement apparatus according to claim 1, it is characterised in that described rotary shaft
For plastic rivet.
6. a kind of magnetic material magnetization characteristic measurement apparatus according to claim 1, it is characterised in that on described housing
Provided with the first wrapping post and the second wrapping post positioned at clamping rings outside, it is designed with the first wrapping post and the second wrapping post
Sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598438.9A CN105068028B (en) | 2015-09-18 | 2015-09-18 | A kind of magnetic material magnetization characteristic measurement apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598438.9A CN105068028B (en) | 2015-09-18 | 2015-09-18 | A kind of magnetic material magnetization characteristic measurement apparatus |
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| Publication Number | Publication Date |
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| CN105068028A CN105068028A (en) | 2015-11-18 |
| CN105068028B true CN105068028B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510598438.9A Active CN105068028B (en) | 2015-09-18 | 2015-09-18 | A kind of magnetic material magnetization characteristic measurement apparatus |
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Citations (8)
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|---|---|---|---|---|
| CN2032372U (en) * | 1988-04-23 | 1989-02-08 | 张国光 | Adjustable winding model |
| CN1075554A (en) * | 1992-10-28 | 1993-08-25 | 上海科学技术大学 | A kind of device of measuring magnetism of hard magnetic material |
| CN2384229Y (en) * | 1999-07-27 | 2000-06-21 | 冶金工业部钢铁研究总院 | Multi-sample wide temp. range magnetic performance measurer |
| CN201051137Y (en) * | 2007-06-29 | 2008-04-23 | 内蒙古科技大学 | Magnetism parameter measurement device for lanthanon permanent magnet |
| CN201307157Y (en) * | 2008-11-28 | 2009-09-09 | 宝山钢铁股份有限公司 | Auxiliary tool for detecting magnetic properties of permanent magnetic metal materials |
| CN101865982A (en) * | 2010-06-18 | 2010-10-20 | 中国科学院电工研究所 | Device and method for measuring ambipolar magnetic moment of spatial magnet |
| CN103809347A (en) * | 2014-02-13 | 2014-05-21 | 格科微电子（上海）有限公司 | Camera aperture and control adjusting method thereof |
| CN205015466U (en) * | 2015-09-18 | 2016-02-03 | 苏州萨伯工业设计有限公司 | Magnetic material characteristic of magnetization measuring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141913Y (en) * | 2007-10-31 | 2008-10-29 | 西门子（中国）有限公司 | Magnetic resonance coil |
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2015
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Patent Citations (8)
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|---|---|---|---|---|
| CN2032372U (en) * | 1988-04-23 | 1989-02-08 | 张国光 | Adjustable winding model |
| CN1075554A (en) * | 1992-10-28 | 1993-08-25 | 上海科学技术大学 | A kind of device of measuring magnetism of hard magnetic material |
| CN2384229Y (en) * | 1999-07-27 | 2000-06-21 | 冶金工业部钢铁研究总院 | Multi-sample wide temp. range magnetic performance measurer |
| CN201051137Y (en) * | 2007-06-29 | 2008-04-23 | 内蒙古科技大学 | Magnetism parameter measurement device for lanthanon permanent magnet |
| CN201307157Y (en) * | 2008-11-28 | 2009-09-09 | 宝山钢铁股份有限公司 | Auxiliary tool for detecting magnetic properties of permanent magnetic metal materials |
| CN101865982A (en) * | 2010-06-18 | 2010-10-20 | 中国科学院电工研究所 | Device and method for measuring ambipolar magnetic moment of spatial magnet |
| CN103809347A (en) * | 2014-02-13 | 2014-05-21 | 格科微电子（上海）有限公司 | Camera aperture and control adjusting method thereof |
| CN205015466U (en) * | 2015-09-18 | 2016-02-03 | 苏州萨伯工业设计有限公司 | Magnetic material characteristic of magnetization measuring device |
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