CN109425840A - A kind of nanocrystalline rotary magnetic characteristic test system and measurement method - Google Patents
A kind of nanocrystalline rotary magnetic characteristic test system and measurement method Download PDFInfo
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- CN109425840A CN109425840A CN201710760713.1A CN201710760713A CN109425840A CN 109425840 A CN109425840 A CN 109425840A CN 201710760713 A CN201710760713 A CN 201710760713A CN 109425840 A CN109425840 A CN 109425840A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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Abstract
The invention discloses a kind of nanocrystalline rotary magnetic characteristic test system and measurement methods, belong to nanocrystalline material magnetic characteristic measuring device, are related to nanocrystalline material rotary magnetic characteristic measuring device and measurement method.Including NI industrial personal computer, LabVIEW signal occurs and analog input card, rotary magnetic characteristic tester, power amplifier, impedance matching capacitances case, B-H compound magnetic sensor and differential amplifier circuit；The orthogonal magnetic circuit of the present invention two can carry out the Alternating Current Excitation in round, ellipse and plane on any direction using symmetrical double yoke structures, two magnetic circuit independent excitations according to actual condition.B-H compound magnetic sensor is made of two H coils and four probes, the vertical H coil winding in two window directions is in dismountable rectangular inner ring PCB substrate for testing the magnetic field strength H on two orthogonal directions, four steel needles are installed in outer PCB substrate, two probes are one group, test the magnetic flux density B of both direction.Outer PCB substrate design solder joint and conducting wire fixation hole.Shimming protective layer is arranged in test sample two sides, guarantees the uniformity of test zone, improves measuring accuracy.
Description
Technical field
The present invention relates to a kind of nanocrystalline rotary magnetic characteristic detection devices, and in particular to a kind of nanocrystalline rotation magnetic characteristic survey
Test system and measurement method.
Background technique
There are rotating excitation fields for the T-type junction of nanocrystalline iron core three-phase high frequency transformer, rotational loss are generated, using existing
Annular exemplar test method cannot test rotating excitation field, it is difficult to realize nanocrystalline iron core three-phase high frequency transformer loss it is accurate
It calculates, it is therefore desirable to build nanocrystalline rotary magnetic characteristic test device.Nanocrystalline rotary magnetic Characteristics Detection is based on faraday's electromagnetism
Eddy current effect under induction law and alternating magnetic field obtains the magnetic field signal in sample.Pass through the orthogonal excitation winding of two pairs of axial directions
Excitation is carried out to sample, magnetic field space track can be accurately controlled by LabVIEW feedback control procedures；By being tightly attached to sample
The bonding probes on product surface and the B-H compound magnetic sensor of induction coil detect magnetic field signal in sample.
The magnetic characteristic detection device of prior art, magnetic structure use list C ring structure, and magnetic circuit symmetry is poor；Excitation winding
Low, the leakage field outstanding problem using rectangular configuration window utilization rate；Magnetic circuit material is silicon steel sheet, iron core damage with higher under high frequency
Consumption, heating problem are serious.The detection device of prior art can not achieve the simulation that magnetic characteristic is rotated under high frequency.
The magnetic characteristic detection device of prior art, B and H sensor integration degree is low, needs biggish field homogeneity region, B
Sensor is easily destroyed the magnetic characteristic of sample by the way of punching；Wire insulation is be easy to cause during conducting wire perforation
Destruction, cause turn-to-turn short circuit, influence test result；H sensor is placed in above B sensor, will lead to H sensor and sample table
The distance in face increases, and increases test error, is not interposing above H coil and will increase field homogeneity region area demand.
Summary of the invention
1, goal of the invention:
In view of the above drawbacks of the prior art and problem, the present invention provides a kind of nanocrystalline rotary magnetic characteristic test systems
The magnetic characteristic inspection of system and sample under circular rotating field, elliptical rotating field and plane any direction alternating magnetic field
Survey method.
2, technical solution: the invention provides the following technical scheme:
A kind of nanocrystalline rotary magnetic characteristic test system, including NI industrial personal computer, the LabVIEW signal that is connected with industrial personal computer occur
And analog input card, the signal output end of LabVIEW board are sequentially connected power amplifier, rotary magnetic characteristic tester, impedance
With capacitive, energized circuit of the high-power water-cooling resistance as system；The B-H compound magnetic sensor in tester is implanted into through shielding
Line passes through differential amplifier circuit, acquisition circuit of the signal input part of LabVIEW board as system respectively；The setting of NI industrial personal computer
Excitation signal, excitation signal drive the orthogonal excitation winding of two pairs of axial directions, impedance matching capacitances after power amplifier amplifies
Case is used to that resonance to occur with magnetizing inductance, improves exciting current to be easier to realize that sample sufficiently magnetizes.It is implanted to test sample table
The B-H compound magnetic sensor in face detects magnetic field signal, is input in differential amplifier circuit through shielding line and carries out putting for tiny signal
Greatly, it is input to LabVIEW signal acquisition terminal after signal amplification, the processing and storage of data is carried out by industrial personal computer.
Nanocrystalline rotary magnetic characteristic tester magnetic excitation circuit includes iron core, iron yoke, iron core cartridge and cartridge end face.Iron yoke
Place is connected with fixed device；
Two pairs of trapezoidal segmented excitation windings around the home at field core, segmented excitation winding using litz line carry out around
System；First segment, second segment and third section are respectively provided with 1,2 and 3 tap, and the umber of turn between each tap is identical, excitation
Epoxy resin is carried out after the completion of winding technique to pour, and carries out pouring fixation between winding and iron core；
Cube sensing box is identical as square region area between cartridge, is easy to implement cartridge end face and the close of sample connects
Touching.Four square columns are located at the quadrangle of pedestal, support positioning plates, shimming protective layer and sample.Sample and shimming protective layer are by four
Band nanocrystalline thin slice jaggy in angle is made.Sensing box upper top cover, which is adopted, to be screwed detachably, between positioning plate and positioning plate
Sample is placed, shimming protective layer is placed between positioning plate and pedestal, top cover.It empties to be embedded in the compound magnetic of B-H and pass at positioning plate center
Sensor.
B-H compound magnetic sensor is made of two H coils and four probes, and the vertical H coil in two window directions uses
Straight weldering self-adhering-type enamel covered wire is wound in dismountable rectangular interior PCB substrate, and four steel needles are installed in outer PCB substrate, and two
A probe is one group, and probe height is slightly above H coil.Outer PCB substrate setting solder joint and conducting wire fixation hole.Inside and outside PCB substrate is used
Non-conductive viscose glue carries out adhesion, and B-H compound magnetic sensor lead-out wire is overlapped the influence that multiple twin reduces interference signal.
A kind of nanocrystalline rotary magnetic characteristic test system and measurement method, comprising the following steps:
Step 1: the sales kit (SK) of built-in sample, shimming pole shoe and sensor is placed between two pairs of cartridges, adjusts sample
Case position makes it face neat with cartridge and is in close contact；
Step 2: it is tabled look-up according to excitation frequency and selects a kind of winding connection；
Step 3: it tables look-up to obtain the capacitance of capacitive, determines the connection type of capacitive；
Step 4: one direction Alternating Current Excitation signal is issued by LabVIEW program, is loaded into excitation winding, in sample
Form alternating magnetic field；
Step 5: observation magnetic flux density and magnetic field intensity waveform store magnetic characteristic data, and whether judgement sample reaches full
With；If sample is not up to saturated, excitation voltage signal is improved；
Step 6: repeating step 5, until sample is saturated；
Step 7: after observing magnetic field saturation, slowly reduce excitation signal, demagnetize to sample；
Step 8: issuing other direction Alternating Current Excitation signal by LabVIEW program, repeats to complete Step 5: six, seven
The demagnetization of sample；
Step 9: generating the independent excitation signal of two-way phase cooperation by LabVIEW process control, is loaded into axially just
In the two pairs of excitation windings handed over, required magnetic field is formed in sample, repeats step 5；
Step 10: replacement winding connection repeats Step 4: five, six, seven, eight, nine, until detection complete needed for frequency
Magnetic characteristic detection under rate and excitation mode.
3, advantage and effect: the present invention in terms of existing technologies, the invention has the following advantages that
1) magnetic circuit material of the present invention, which is selected under high frequency, has high saturation magnetic induction, high initial permeability, low core loss, heat-resisting
Property and the good Fe-M-V system nano-crystal material of wearability.Excitation frequency range is 10k-50kHz, can accurate simulation it is nanocrystalline
Magnetic characteristic under material actual condition.
2) magnetic structure of the present invention is using double yoke structures, and two magnetic yoke length are identical, and magnetic circuit symmetry is high, and leakage field is small；
Excitation winding uses trapezoidal segmentation structure, improves the window utilization rate of tester, reduces excitation difficulty, tap is arranged between section,
And two umber of turns between tap is identical, is easy to implement the flexible series-parallel of winding.
3) cubical sample case, convenient for the replacement and accurate positionin of sample, shimming protective layer, which is arranged, makes test zone magnetic field
It is more uniform.
4) B-H compound magnetic sensor integrated level with higher of the present invention, reduces the area requirements in field homogeneity region；
Lead-out wire is fixed using fixation hole and fixed paint prevents from drawing conducting wire in the interference of linearly coupled bring and installation process
Stress leads to harness damage；The coil window formed between two solder joints is parallel with measurement direction, effectively reduces other direction
The interference in magnetic field；Lead-out wire reduces the interference of stray magnetic field using multiple twin is overlapped.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings
Fig. 1 is measuring system schematic diagram of the present invention.
Fig. 2 is detection device agent structure schematic diagram of the present invention.
Fig. 3 is B-H compound magnetic sensor schematic diagram of the present invention.
Fig. 4 is sales kit (SK) schematic diagram of the present invention.
Description of symbols:
1, NI industrial personal computer 2, LabVIEW signal occur and analog input card 3, power amplifier 4, impedance matching capacitances case
5, high-power resistance 6, nanocrystalline rotary magnetic characteristic tester 7, differential amplifier circuit 8, upper lower yoke 9, left and right magnetic yoke
10, trapezoidal segmented excitation winding 11, sales kit (SK) 12, iron core 13, iron core cartridge end face 14, H coil 15, interior PCB substrate
16, outer PCB substrate 17, the solder joint 1 18 for the shielding line that is connected with H coil, the shielding line that is connected with H coil solder joint 2 19, H coil
Solder joint 1 20, H coil solder joint 2 21, the solder joint 23 crossing plate hole 22, being connected with probe 25, the shielding line that is connected with probe solder joint
1 24, be connected with probe shielding line solder joint 2 25, with 26 for one group of survey a direction magnetic flux density signal probe 26,
Respectively with 25 and 27 for one group of two vertical direction magnetic flux density signal of survey probe 27, with 26 be one group of survey other direction magnetic
The probe 28 of flux density signal, the probe 29 to play a supportive role, the solder joint 30 being connected with probe 26, be connected shielding with probe
The solder joint 1 31 of line, the solder joint 2 32 for the shielding line that is connected with probe, pedestal 33, top cover 34, shimming protective layer 35, test specimens
Product 36, positioning plate 37, positioning plate 38, the B-H compound magnetic sensor for being embedded in B-H compound magnetic sensor
Specific embodiment
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Fig. 1 is nanocrystalline rotary magnetic characteristic test system, and NI industrial personal computer 1 issues excitation signal, and excitation signal is from LabVIEW
The output end output of board 2 orthogonal excitation winding 10 of two pairs of axial directions of driving after the amplification of power amplifier 3, respectively by with
The impedance matching capacitances case 4 of resonance and the high-power resistance 5 for short-circuit protection occur for magnetizing inductance.It is implanted to test sample 35
The B-H compound magnetic sensor 38 on surface detects magnetic field signal, is input in differential amplifier circuit 7 through shielding line and carries out tiny signal
Amplification, be input to the signal acquisition terminal of LabVIEW board after signal amplification, carry out the processing of data by industrial personal computer and deposit
Storage.Arrow representation signal moves towards in figure.
Specific measurement method are as follows:
Step 1: the sales kit (SK) 11 of built-in sample, shimming protective layer 34 and B-H compound magnetic sensor is placed on two pairs of poles
Between head, adjustment sales kit (SK) position makes it be aligned and be in close contact with cartridge end face 13；
Step 2: it is tabled look-up according to excitation frequency and selects a kind of winding connection；
Step 3: it tables look-up to obtain the capacitance of capacitive, determines the connection type of capacitive；
Step 4: one direction Alternating Current Excitation signal is issued by LabVIEW program, is loaded into excitation winding, in sample
Form alternating magnetic field；
Step 5: observation magnetic flux density and magnetic field intensity waveform store magnetic characteristic data, and whether judgement sample reaches full
With；If sample is not up to saturated, excitation voltage signal is improved；
Step 6: repeating step 5, until sample is saturated；
Step 7: after observing magnetic field saturation, slowly reduce excitation signal, demagnetize to sample；
Step 8: issuing other direction Alternating Current Excitation signal by LabVIEW program, repeats to complete Step 5: six, seven
The demagnetization of sample；
Step 9: generating the independent excitation signal of two-way phase cooperation by LabVIEW process control, is loaded into axially just
In the two pairs of excitation windings handed over, magnetic field needed for being formed in the sample repeats step 5；
Step 10: replacement excitation winding connection type repeats Step 4: five, six, seven, eight, nine, until institute is completed in detection
The magnetic characteristic under frequency and excitation mode is needed to detect.
The present invention increases impedance matching capacitances case in energized circuit, can be connected according to excitation frequency with excitation winding
Mode flexible modulation matching capacitance value.
Fig. 2,3 and 4 are the structure of nanocrystalline rotary magnetic characteristic tester 6, and magnetic structure uses double yoke structures, and two magnetic
Yoke 8,9 length are identical.Excitation winding uses trapezoidal segmentation structure, tap is arranged between section, and the umber of turn phase between two taps
Together, it is symmetrically wound on two pairs of orthogonal iron cores 12.
Cubical sample case is placed in the square region of two pairs of iron core cartridge end faces formation, and top cover 33 is through screw and 32 phase of pedestal
Company is conveniently replaceable sample, and the protection of two panels shimming is placed between positioning plate 36,37 and sales kit (SK) pedestal, top cover, between positioning plate
Test sample is placed, test sample and probe contact position remove surface insulation, and one of positioning plate 37 embeds the compound magnetic of B-H and passes
The overall thickness of sensor, positioning plate and sample is slightly above the distance between sales kit (SK) pedestal and top cover, convenient for applying certain pressure.
Square hole is arranged in pedestal quadrangle, can therefrom draw the signal wire of B-H compound magnetic sensor.
B-H compound magnetic sensor is made of two H coils 14 and four probes 25,26,27,28, and two window directions are hung down
Magnetic field strength H of the straight H coil winding in dismountable rectangular interior PCB substrate 15 for testing on two orthogonal directions, four
Root probe is installed in outer PCB substrate 16, and two probes are one group, tests the magnetic flux density B of both direction.Outer PCB substrate is set
Solder joint and conducting wire fixation hole are counted, be connected 17,18,23,24,30,31 window direction of solder joint and tested magnetic direction one with shielding line
It causes, solder joint 19,20,22,29 is used to distinguish the fixation of the lead-out wire of H coil or probe 25,26, crosses plate hole 21 and is used for lead
It is welded from pcb board reverse side guidance front.
The working principle of system are as follows: excitation signal is arranged in NI industrial personal computer, and excitation signal amplifies rear-guard by power amplifier
The orthogonal excitation winding of dynamic two pairs of axial directions, impedance matching capacitances case are used to that resonance to occur with magnetizing inductance, improve exciting current with
It is easier to realize that sample sufficiently magnetizes.It is implanted to the B-H compound magnetic sensor detection magnetic field signal of test sample surface, through shielding line
It is input to the amplification for carrying out tiny signal in differential amplifier circuit, LabVIEW signal acquisition terminal is input to after signal amplification, passes through
The processing and storage of industrial personal computer progress data.
Through the above it is not difficult to find that the invention has the following advantages that
1) impedance matching capacitances case is added in the energized circuit of measuring system, reduces excitation difficulty.
2) magnetic structure of the present invention is using double yoke structures, and two magnetic yoke length are identical, and magnetic circuit symmetry is high, and leakage field is small；
Excitation winding uses trapezoidal segmentation structure, improves the window utilization rate of tester, reduces excitation difficulty, tap is arranged between section,
And two umber of turns between tap is identical, is easy to implement the flexible series-parallel of winding.
3) cubical sample case, convenient for the replacement and accurate positionin of sample, shimming protective layer, which is arranged, makes test zone magnetic field
It is more uniform.
4) B-H compound magnetic sensor integrated level with higher of the present invention, reduces the area requirements in field homogeneity region；
Lead-out wire is fixed using fixation hole and fixed paint prevents from drawing conducting wire in the interference of linearly coupled bring and installation process
Stress leads to harness damage；The coil window formed between two solder joints is parallel with measurement direction, effectively reduces other direction
The interference in magnetic field；Lead-out wire reduces the interference of stray magnetic field using multiple twin is overlapped.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention is answered described with scope of protection of the claims.
Claims (6)
1. a kind of nanocrystalline rotary magnetic characteristic test system, including NI industrial personal computer, the LabVIEW signal that is connected with industrial personal computer occur and
Analog input card, the signal output end of LabVIEW board are sequentially connected power amplifier, trapezoidal segmented excitation winding, impedance
With capacitive, energized circuit of the high-power water-cooling resistance as system；B-H compound magnetic sensor passes through difference through shielding line respectively
Amplifying circuit, acquisition circuit of the signal input part of LabVIEW board as system；It is characterized by: energized circuit use
Exciting current is improved using series resonance with capacitive.
2. nanocrystalline rotary magnetic characteristic test system according to claim 1, which is characterized in that rotary magnetic characteristic tester
Main magnetic circuit be made of the identical C ring of four sizes, two be one group of formation, one energized circuit, energized circuit includes iron
The heart and iron yoke, iron core incision are plane or taper type structure, and segmented trapezoidal excitation winding technique is on winding skeleton, then
It is assembled in iron core position, the square area that iron core is centrally formed places cube sensing box.
3. nanocrystalline rotary magnetic characteristic test system according to claim 2, which is characterized in that cube sensing box includes
Pedestal, top cover, two pieces of positioning plates, three pieces of quadrangle bands nanocrystalline thin slice jaggy as sample and shimming protective layer；Sensing
Case upper top cover, which is adopted, to be screwed detachably, and sample is placed between positioning plate and positioning plate, is put between positioning plate and pedestal, top cover
Set shimming protective layer；It empties for inlaying B-H compound magnetic sensor positioning plate central area.
4. nanocrystalline rotary magnetic characteristic test system according to claim 3, which is characterized in that shimming protective layer and sample
It is nanocrystalline thin slice, and material, size and shape are all the same, goes to insulate at sample surfaces installation probe.Corner location design
Four square breach guarantee that effective side length is identical as iron core cartridge side length.
5. nanocrystalline rotary magnetic characteristic test system according to claim 1, which is characterized in that B-H compound magnetic sensor
It is made of inside and outside two substrates, the vertical H coil winding in two window directions is in dismountable rectangular interior PCB substrate for testing
Magnetic field strength H on two orthogonal directions, four steel needles are installed in outer PCB substrate, and two probes are one group, test two sides
To magnetic flux density B, You Sangen probe be used for magnetic field detection, a probe is as support construction；Outer PCB substrate design solder joint and
Conducting wire crosses plate hole；B-H compound magnetic sensor lead-out wire is overlapped the influence that multiple twin reduces interference signal.
6. a kind of nanocrystalline rotary magnetic characteristic test system and measurement method, it is characterised in that: method includes the following steps:
Step 1: the sales kit (SK) of built-in sample, shimming pole shoe and sensor is placed between two pairs of cartridges, adjusts sales kit (SK) position
Setting makes it face neat with cartridge and is in close contact；
Step 2: it is tabled look-up according to excitation frequency and selects a kind of winding connection；
Step 3: it tables look-up to obtain the capacitance of capacitive, determines the connection type of capacitive；
Step 4: one direction Alternating Current Excitation signal is issued by LabVIEW program, is loaded into excitation winding, is formed in sample
Alternating magnetic field；
Step 5: observation magnetic flux density and magnetic field intensity waveform store magnetic characteristic data, and whether judgement sample reaches saturation；Such as
Fruit sample is not up to saturated, and improves excitation voltage signal；
Step 6: repeating step 5, until sample is saturated；
Step 7: after observing magnetic field saturation, slowly reduce excitation signal, demagnetize to sample；
Step 8: issuing other direction Alternating Current Excitation signal by LabVIEW program, repeats to complete sample Step 5: six, seven
Demagnetization；
Step 9: generating the independent excitation signal of two-way phase cooperation by LabVIEW process control, is loaded into axial orthogonal
In two pairs of excitation windings, required magnetic field is formed in sample, repeats step 5；
Step 10: replacement winding connection repeats Step 4: five, six, seven, eight, nine, until detection complete needed for frequency and
Magnetic characteristic detection under excitation mode.
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| CN201710760713.1A CN109425840B (en) | 2017-08-30 | 2017-08-30 | Nanocrystalline rotating magnetic property testing system and measuring method |
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| CN201710760713.1A CN109425840B (en) | 2017-08-30 | 2017-08-30 | Nanocrystalline rotating magnetic property testing system and measuring method |
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| CN109425840B CN109425840B (en) | 2021-05-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766552A (en) * | 2020-07-06 | 2020-10-13 | 河北工业大学 | Automatic impedance matching device and method for magnetic characteristic measurement system |
| CN111896901A (en) * | 2020-07-09 | 2020-11-06 | 宁波名众自动化科技有限公司 | Device and method for detecting magnetic field symmetry of multi-pole product |
| CN113035380A (en) * | 2021-02-25 | 2021-06-25 | 安徽理工大学 | Pop-up divertor probe system for magnetic confinement nuclear fusion device |
| CN114199991A (en) * | 2021-12-14 | 2022-03-18 | 河北工业大学 | Device for measuring high-frequency magnetic characteristics of bar-shaped magnetostrictive material |
| CN114910839A (en) * | 2021-02-10 | 2022-08-16 | 清华大学 | Image enhancement super-structure surface device based on dual-core MRI (magnetic resonance imaging) of phase control super-structure surface |
| CN115047385A (en) * | 2022-06-07 | 2022-09-13 | 河北工业大学 | Rotating magnetic property measuring system based on oil bath heating |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158811A (en) * | 1977-06-27 | 1979-06-19 | Texas Instruments Incorporated | Method and apparatus for testing and setting magnetic field strength of permanent magnets in magnetic bubble domain modules |
| JP2803917B2 (en) * | 1991-05-07 | 1998-09-24 | 株式会社神戸製鋼所 | Magnetic anisotropy detection method for steel sheet |
| CN101762797A (en) * | 2010-01-14 | 2010-06-30 | 沈阳工业大学 | Monolithic measuring system and measuring method thereof for two-dimensional magnetic property of electrical steel sheet |
| CN203587789U (en) * | 2013-12-17 | 2014-05-07 | 保定天威集团有限公司 | Device for simulating iron-core material magnetic performance of transformer after service |
| CN104569875A (en) * | 2015-01-06 | 2015-04-29 | 北京航空航天大学 | Measuring system and method for two-dimension magnetic properties of silicon steel sheets on controllable stress conditions |
| CN105548923A (en) * | 2015-12-30 | 2016-05-04 | 河北工业大学 | Two-dimensional high-frequency rotation magnetic property sensing device |
| CN106842083A (en) * | 2017-02-28 | 2017-06-13 | 河北工业大学 | Wideband rotary magnetic characteristic measuring system and measuring method based on flexible magnetizing coil |
| CN106841736A (en) * | 2017-04-13 | 2017-06-13 | 河北工业大学 | Suitable for the automation resonant capacitance adaptation of Three-Dimensional Magnetic characteristic measuring system |
| CN106980094A (en) * | 2017-04-14 | 2017-07-25 | 河北工业大学 | A kind of shimming lamination sample for being applied to test Three-Dimensional Dynamic magnetic characteristic |
-
2017
- 2017-08-30 CN CN201710760713.1A patent/CN109425840B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158811A (en) * | 1977-06-27 | 1979-06-19 | Texas Instruments Incorporated | Method and apparatus for testing and setting magnetic field strength of permanent magnets in magnetic bubble domain modules |
| JP2803917B2 (en) * | 1991-05-07 | 1998-09-24 | 株式会社神戸製鋼所 | Magnetic anisotropy detection method for steel sheet |
| CN101762797A (en) * | 2010-01-14 | 2010-06-30 | 沈阳工业大学 | Monolithic measuring system and measuring method thereof for two-dimensional magnetic property of electrical steel sheet |
| CN203587789U (en) * | 2013-12-17 | 2014-05-07 | 保定天威集团有限公司 | Device for simulating iron-core material magnetic performance of transformer after service |
| CN104569875A (en) * | 2015-01-06 | 2015-04-29 | 北京航空航天大学 | Measuring system and method for two-dimension magnetic properties of silicon steel sheets on controllable stress conditions |
| CN105548923A (en) * | 2015-12-30 | 2016-05-04 | 河北工业大学 | Two-dimensional high-frequency rotation magnetic property sensing device |
| CN106842083A (en) * | 2017-02-28 | 2017-06-13 | 河北工业大学 | Wideband rotary magnetic characteristic measuring system and measuring method based on flexible magnetizing coil |
| CN106841736A (en) * | 2017-04-13 | 2017-06-13 | 河北工业大学 | Suitable for the automation resonant capacitance adaptation of Three-Dimensional Magnetic characteristic measuring system |
| CN106980094A (en) * | 2017-04-14 | 2017-07-25 | 河北工业大学 | A kind of shimming lamination sample for being applied to test Three-Dimensional Dynamic magnetic characteristic |
Non-Patent Citations (3)
| Title |
|---|
| NORIO TAKAHASHI 等: "Development of the 2-D Single-Sheet Tester Using Diagonal Exciting Coil and the Measurement of Magnetic Properties of Grain-Oriented Electrical Steel Sheet", 《IEEE TRANSACTIONS ON MAGNETICS》 * |
| YONGJIAN LI 等: "Improved High-Frequency Rotating Magnetic Properties Tester for Nanocrystalline Soft Magnetic Material", 《IEEE》 * |
| 李永建 等: "软磁复合材料的三维磁特性检测实验研究", 《电工技术学报》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766552A (en) * | 2020-07-06 | 2020-10-13 | 河北工业大学 | Automatic impedance matching device and method for magnetic characteristic measurement system |
| CN111766552B (en) * | 2020-07-06 | 2022-12-27 | 河北工业大学 | Automatic impedance matching device and method for magnetic characteristic measurement system |
| CN111896901A (en) * | 2020-07-09 | 2020-11-06 | 宁波名众自动化科技有限公司 | Device and method for detecting magnetic field symmetry of multi-pole product |
| CN111896901B (en) * | 2020-07-09 | 2023-04-18 | 宁波名众自动化科技有限公司 | Device and method for detecting magnetic field symmetry of multi-pole product |
| CN114910839A (en) * | 2021-02-10 | 2022-08-16 | 清华大学 | Image enhancement super-structure surface device based on dual-core MRI (magnetic resonance imaging) of phase control super-structure surface |
| CN114910839B (en) * | 2021-02-10 | 2024-04-26 | 清华大学 | Image enhancement super-structured surface device based on phase regulation super-structured surface binuclear MRI |
| CN113035380A (en) * | 2021-02-25 | 2021-06-25 | 安徽理工大学 | Pop-up divertor probe system for magnetic confinement nuclear fusion device |
| CN113035380B (en) * | 2021-02-25 | 2024-01-26 | 安徽理工大学 | Pop-up divertor probe system for magnetically confined nuclear fusion device |
| CN114199991A (en) * | 2021-12-14 | 2022-03-18 | 河北工业大学 | Device for measuring high-frequency magnetic characteristics of bar-shaped magnetostrictive material |
| CN115047385A (en) * | 2022-06-07 | 2022-09-13 | 河北工业大学 | Rotating magnetic property measuring system based on oil bath heating |
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