CN110286341A - Giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature - Google Patents
Giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature Download PDFInfo
- Publication number
- CN110286341A CN110286341A CN201910517837.6A CN201910517837A CN110286341A CN 110286341 A CN110286341 A CN 110286341A CN 201910517837 A CN201910517837 A CN 201910517837A CN 110286341 A CN110286341 A CN 110286341A
- Authority
- CN
- China
- Prior art keywords
- magnetic characteristic
- measuring device
- giant magnetostrictive
- power magnetic
- characteristic measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 63
- 239000000835 fiber Substances 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 239000004411 aluminium Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 18
- 239000003507 refrigerant Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000037237 body shape Effects 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000004886 process control Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/18—Measuring magnetostrictive properties
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The present invention provides giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, including bearing platform, electromagnet, thermal-insulating body, pressurizing device；The thermal-insulating body is internally provided with heavy wall copper pipe；The sample for needing to measure is placed in heavy wall copper pipe, and the sample is upper and lower aluminium cap and its GMM material gripped；Pressurizing device is connected above the compression bar, is provided with displacement sensor on the pressurizing device；Fiber grating is pasted on the sample；Experimental provision provided by one side can provide controllable power magnetic coupling field environment at low temperature, it being capable of effectively measuring GMM material power magnetic characteristic for the experiment porch of GMM material characteristics design, further aspect is that having carried out the measurement of magneto-strain using fiber grating, while being aided with traditional micro-displacement sensing.
Description
Technical field
The invention belongs to observation and control technology field, it is related to a kind of low temperature and exerts oneself-more load bringing device fields of magnetic-heat, especially
It is related to giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature.
Background technique
Since giant magnetostrictive material (GMM) occurs, extensive concern has been obtained with biggish magnetostrictive strain under its magnetic field.
Researcher utilize its magnetic-power transforming principle, have developed magnetic control actuator, magnetic field sensor, energy conversion etc. high-precision,
High-energy density component.The power magnetic characteristic of giant magnetostrictive material is very superior under room temperature, can by the magnetic field for applying certain
To obtain stable deformation output, deflection does not weaken not only under the action of external load, can be increased instead, GMM
In the nonlinear characteristic that power magnetic coupling is complicated off field, make its researching and analysing under multi- scenarios method environment, system design and application
Behavior becomes increasingly complex.By scholar's years of researches, GMM material has more research achievement within the scope of -50 ~ 200 DEG C,
Theoretical model is also more mature.
However under ultra-low temperature region, the research report in relation to GMM power magnetic characteristic is also almost nil both at home and abroad.Have as one kind
Magnetic control mechanical elements, the sensing element of effect, the power magnetic characteristic under low temperature are highly paid close attention to.Holding under ultra-low temperature surroundings
The development of row device, the devices such as ultralow temperature magnetic field sensor all relies on the material properties of GMM at low temperature.
In ultralow temperature device, whether the actuator based on GMM exploitation also has identical implementation capacity under room temperature, these problems
Solution require to carry out effective power magnetic characteristic to GMM material in low temperature environment to test.However exist at present for GMM material
Low temperature exert oneself magnetic characteristic research it is quite deficient, for GMM research and development low temperature actuator and magnetic field sensor it is almost nil.
Summary of the invention
For disadvantages described above, the present invention provides one kind can provide controllable power magnetic coupling field environment at low temperature, for
The experiment porch of GMM material characteristics design is capable of the measuring device of effectively measuring GMM material power magnetic characteristic.
The technical solution of giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature of the present invention are as follows: from top to bottom
It successively include bearing platform, electromagnet, thermal-insulating body, pressurizing device；The electromagnet is located on bearing platform；Among the electromagnet
For a hollow cylinder, cushion block is provided with below hollow cylinder, above bearing platform；It is arranged in the hollow cylinder, above cushion block
There is thermal-insulating body；The electromagnet is close around thermal-insulating body lower part；When described device measures, it is added inside the thermal-insulating body
Refrigerant liquid；The thermal-insulating body is internally provided with heavy wall copper pipe；The sample for needing to measure is placed in heavy wall copper pipe, needs to survey
The sample of amount is placed in heavy wall copper pipe, and the sample is upper and lower aluminium cap and its GMM material gripped；The lower end aluminium of sample
Cap is contacted with cushion block, and the upper end aluminium cap of sample is contacted with compression bar；Pressurizing device is connected above the compression bar, on the pressurizing device
It is provided with displacement sensor；Fiber grating is pasted on the sample；The electromagnet is also connected with programmable power supply, passes through program
The output of its electric current is controlled, to control the size and waveform in magnetic field, and by signal real-time Transmission to capture card；Capture card will acquire
The real-time current signal that programmable power supply provides, and be connected with computer, digital-to-analogue conversion is carried out, is handled for computer；Institute
Wave length shift of the fiber Bragg grating (FBG) demodulator for demodulating fiber bragg grating is stated, and is connect with computer, real time output；It is described to incite somebody to action
The signal for the fiber grating strain sensor being attached in sample be transmitted in fiber Bragg grating (FBG) demodulator, it can be achieved that multiple groups signal simultaneously
Transmission；Computing terminal is adopted the wavelength data that fiber Bragg grating (FBG) demodulator provides in real time with capture card with magnetic field data in real time
Collection processing, draws, saves, and finally obtains reliable experimental result.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, the thermal-insulating body shape
It is small for the big lower part in top.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, the refrigerant liquid are liquid
Nitrogen.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature is set on the heavy wall copper pipe
It is equipped with copper pipe opening, the refrigerant liquid is open by clearance and is flowed into copper pipe.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, the pressurizing device are weight
Code and the weight tray for placing counterweight；The weight tray is connected directly with compression bar；Institute's displacement sensors are located at weight tray
On.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, institute's displacement sensors are
Contact amesdial and/or non-contacting Laser Displacement sensor.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, the compression bar and cushion block
Material is G10 material.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, using low temperature glue by light
Fine grating and the adhesion of GMM material.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, the sample survey face setting
Slot is pasted, the fiber grating is pasted onto the stickup slot.
Further, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, the end of aluminium cap are hemisphere
Shape.
The invention has the benefit that experimental provision provided by one side can provide controllable power magnetic coupling at low temperature
Field environment is closed, it being capable of effectively measuring GMM material power magnetic characteristic for the experiment porch of GMM material characteristics design；On the other hand
It is to have carried out the measurement of magneto-strain using fiber grating, while is aided with traditional micro-displacement sensing.Due in test environment
There is the interference in magnetic field, traditional electrical measuring method circuit largely will affect the measurement of electrical signal by magnetic interference, so this
Patent selects fiber grating as strain sensing, and abandons the scheme using foil gauge.Fiber grating novel is answered as a kind of
Become senser element, using the Bragg effect in optical fiber, external physical quantity variation is perceived by parsing the variation of reflection wavelength.
Have the advantages that the highly significants such as electromagnetism is immune, corrosion-resistant, small in size, loss is small for electric sensor part, narrow
Small extreme environment is widely used as deformation sensing element.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature of the present invention；
Fig. 2 is the schematic diagram of test sample in giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature of the present invention；
Fig. 3 is test sample cross-sectional view in giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature.
Wherein, 1 bearing platform, 2 cushion blocks, 3 samples, 4 electromagnet, 5 compression bars, 6 thermal-insulating bodies, 7 copper pipes opening, 8 heavy wall copper pipes,
9 weight trays, 10 counterweights, 11 displacement sensors, 12 lower aluminium caps, 13GMM material, 14 upper aluminum caps, 15 paste slot.
Specific embodiment
Further describe technical solution of the present invention with reference to the accompanying drawing.
As shown in Figure 1, giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, successively includes from top to bottom
Bearing platform 1, electromagnet 4, thermal-insulating body 6, pressurizing device；The electromagnet 4 is located on bearing platform 1；It is among the electromagnet 4
One hollow cylinder, hollow cylinder lower section, bearing platform 1 are provided with cushion block 2 above；It is arranged in the hollow cylinder, above cushion block 2
There is thermal-insulating body 6；The electromagnet 4 is close around 6 lower part of thermal-insulating body；When described device measures, inside the thermal-insulating body 6
Refrigerant liquid is added；The thermal-insulating body 6 is internally provided with heavy wall copper pipe 8；The sample 3 for needing to measure is placed in heavy wall copper pipe 8
Interior, the sample 3 for needing to measure is placed in heavy wall copper pipe 8, and the sample 3 is upper and lower aluminium cap 12 and its GMM material gripped
Material 13；The lower end aluminium cap of sample 3 is contacted with cushion block 2, and the upper end aluminium cap of sample 3 is contacted with compression bar 5；The compression bar 5 connects above
Pressurizing device is provided with displacement sensor 11 on the pressurizing device；Fiber grating is pasted on the sample 3；The electromagnetism
Iron 4 is also connected with programmable power supply, is exported by its electric current of process control, to control the size and waveform in magnetic field, and by signal
Real-time Transmission is to capture card；Capture card will acquire the real-time current signal of programmable power supply offer, and be connected with computer, carry out
Digital-to-analogue conversion, is handled for computer；The fiber Bragg grating (FBG) demodulator be used for demodulating fiber bragg grating wave length shift, and with meter
The connection of calculation machine, real time output；The signal by the fiber grating strain sensor being attached in sample 3 is transmitted to optical fiber light
, it can be achieved that multiple groups signal simultaneous transmission in grid (FBG) demodulator；Computing terminal provides fiber Bragg grating (FBG) demodulator and capture card in real time
Wavelength data is acquired in real time with magnetic field data, is handled, is drawn, is saved, and reliable experimental result is finally obtained.
Enter 6 bottom of thermal-insulating body for convenience of refrigerant liquid and keep the temperature, 6 shape of thermal-insulating body be designed as top it is big under
The small shape in portion；The external world can be completely cut off to a certain extent by selecting the cabinet of the preferable material production of the insulation such as EPP foamed plastic
Temperature slows down the volatilization of refrigerating fluid, persistently keeps low-temperature condition, reduces the use of coolant.
Refrigerant liquid is added in method as shown in the figure, but is not limited to the liquid nitrogen refered in particular in figure, can be the system of other forms
Cold liquid takes certain Insulation to reach specific temperature requirements, and environment temperature is made to keep stablizing, and reduces strain and surveys
The error of amount.
The heavy wall copper pipe 8 that the present invention selects is very crucial one of component, and one side copper pipe is non-magnetic material, is being applied
Add and will not influence background magnetic field in magnetic field process, secondly copper pipe has excellent thermal conductivity, it is easy to accomplish temperature uniformly transfers, and protects
The stabilization of card test environment temperature.On the other hand, copper pipe guarantees the component as constraint G10 compression bar 5 vertically, to prevent counterweight
10 deviate rollover.
Copper pipe opening 7 is provided on heavy wall copper pipe 8, this opening will directly penetrate through with low-temperature (low temperature) vessel inside copper pipe, make
Obtaining refrigerant liquid can flow into copper pipe, guarantee that test sample 3 can obtain good cooling.
In the present embodiment, counterweight 10 is selected to be used as Mechanical loading scheme, advantage is apparent.Counterweight 10 can provide surely
Fixed vertical pressure load, can be by easily increasing and decreasing operation change load.Compared to its load for universal testing machine not with
It deforms and postpones, very crucial for the application of steady load, the research for GMM power magnetic characteristic under low temperature provides the stable field of force
Environment.Counterweight 10 is placed on weight tray 9；Weight tray 9 is connected directly, to keep away for placing counterweight 10 with lower part compression bar 5
Exempt from tie point damage, necessary reinforcement is done in junction, because counterweight load applied in experimentation is very big.
Institute's displacement sensors 11 are located on weight tray 9, the auxiliary device of the deformation measurement as fiber grating, can be with
Total stroke of material during monitoring force magnetic, for calculating mean strain.The amesdial or non-of contact can be selected in the device
The higher displacement measuring device of 11 equally accurate of contact laser displacement sensor can be single displacement sensor 11, can also be with
It is multiple displacement sensors 11, the result obtained is mutually checked.
In the present embodiment, the material of the compression bar 5 and cushion block 2 is G10 material.The pressure that compression bar 5 directly applies counterweight 10
Power load is transmitted in test sample 3, selects G10 material.G10 material mechanical performance is still superior under ultralow temperature, intensity compared with
Height is not easy brittle failure, is insulated, nonmagnetic, avoids jamming pattern magnetic field.
It is formed as shown in Fig. 2, test sample 3 grips one section of column GMM material 13 by upper and lower aluminium ball cap, in order to prevent
Material is pressurized eccentric in pressurized process, causes internal pressure uneven, the end of aluminium cap is designed to hemispherical.Column GMM simultaneously
3 side of sample is provided with optical fiber and pastes slot 15, as shown in figure 3, the stickup that optical fiber is consolidated is wherein.Using low temperature glue by optical fiber
Strain sensing is realized in grating and 13 adhesion of GMM material.
In addition, bearing platform 1 is for carrying all weights of upper part, it is desirable that it is horizontal, it is nonmagnetic, it is insulated.
Giant magnetostrictive material power magnetic characteristic measuring device is in measurement GMM material magnetic characteristic under a kind of ultralow temperature of the present invention
Workflow is.
S1, by fiber Bragg grating (FBG) demodulator, computer, capture card, programmable power supply connection it is appropriate, debugging finishes；
S2, by intelligent acess fiber Bragg grating (FBG) demodulator, examine wavelength whether normal.And find wavelength drift amount and dependent variable
Conversion coefficient is usually provided by producer；
S3, programmable power supply is connect with electromagnet 4 it is appropriate, by gaussmeter Calibrated current and magnetic field corresponding relationship before experiment,
Find conversion coefficient；
S4, it is slowly injected into coolant liquid (such as liquid nitrogen), the cooling map of fiber grating is observed, so that whole device progresses into low temperature
State, process should not too acutely, should slow cooling.Coolant liquid is flowed into copper pipe by copper pipe opening 7, and sample 3 gradually cools down,
Liquid will appear boiling in the process, stablize to temperature, after boiling stops, can starting to test；
The application of S5, top counterweight 10 are carried out according to experiment demand, only need to calculate pressure value, mistake under different loads
It handles with care in journey, in order to avoid impact is too quickly, damages sample 3 or device.
It can start after S6, each link are ready, start capture program, the automatic startup power supply of computer, and acquire phase
Data are answered, whole-process automatic acquisition can stop after recycling to Load-unload for several times, and data will be automatically saved in particular file folder.
In practical work process, the capture program in computer on the one hand believed in real time by control power supply, another aspect
Number acquisition, realize the automation of test process.
Claims (10)
1. giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature, it is characterised in that: successively include from top to bottom
Bearing platform, electromagnet, thermal-insulating body, pressurizing device；
The electromagnet is located on bearing platform；It is a hollow cylinder among the electromagnet, below hollow cylinder, on bearing platform
Face is provided with cushion block；
Thermal-insulating body is provided in the hollow cylinder, above cushion block；The electromagnet is close around thermal-insulating body lower part；
When described device measures, refrigerant liquid is added inside the thermal-insulating body；
The thermal-insulating body is internally provided with heavy wall copper pipe；
The sample for needing to measure is placed in heavy wall copper pipe, and the sample is upper and lower aluminium cap and its GMM material gripped；
The lower end aluminium cap of sample is contacted with cushion block, and the upper end aluminium cap of sample is contacted with compression bar；
Pressurizing device is connected above the compression bar, is provided with displacement sensor on the pressurizing device；
Fiber grating is pasted on the sample；
The electromagnet is also connected with programmable power supply, is exported by its electric current of process control, to control the size and wave in magnetic field
Shape, and by signal real-time Transmission to capture card；
Capture card will acquire the real-time current signal of programmable power supply offer, and be connected with computer, carry out digital-to-analogue conversion, for meter
Calculation machine is handled；
The fiber Bragg grating (FBG) demodulator is used for the wave length shift of demodulating fiber bragg grating, and connect with computer, real time output；
The signal by the fiber grating strain sensor being attached in sample is transmitted in fiber Bragg grating (FBG) demodulator, it can be achieved that more
Group signal simultaneous transmission；
Computing terminal acquired the wavelength data that fiber Bragg grating (FBG) demodulator and capture card provide in real time and magnetic field data in real time,
Processing draws, saves, and finally obtains reliable experimental result.
2. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: the thermal-insulating body shape is that the big lower part in top is small.
3. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: the refrigerant liquid is liquid nitrogen.
4. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: copper pipe opening is provided on the heavy wall copper pipe, the refrigerant liquid is open by clearance and is flowed into copper pipe.
5. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: the pressurizing device is counterweight and the weight tray for placing counterweight；The weight tray is connected directly with compression bar；The displacement
Sensor is located on weight tray.
6. according to claim 1, giant magnetostrictive material power magnetic characteristic measuring device under a kind of 5 any ultralow temperature,
Be characterized in that: institute's displacement sensors are contact amesdial and/or non-contacting Laser Displacement sensor.
7. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: the material of the compression bar and cushion block is G10 material.
8. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: use low temperature glue by fiber grating and the adhesion of GMM material.
9. according to claim 1, giant magnetostrictive material power magnetic characteristic measuring device under a kind of 8 any ultralow temperature,
Be characterized in that: the sample surveys face setting and pastes slot, and the fiber grating is pasted onto the stickup slot.
10. giant magnetostrictive material power magnetic characteristic measuring device, feature exist under a kind of ultralow temperature according to claim 1
In: the end of aluminium cap is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517837.6A CN110286341B (en) | 2019-06-14 | 2019-06-14 | Super magnetostriction material force magnetic characteristic measuring device under ultralow temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517837.6A CN110286341B (en) | 2019-06-14 | 2019-06-14 | Super magnetostriction material force magnetic characteristic measuring device under ultralow temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110286341A true CN110286341A (en) | 2019-09-27 |
| CN110286341B CN110286341B (en) | 2024-05-10 |
Family
ID=68003827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910517837.6A Active CN110286341B (en) | 2019-06-14 | 2019-06-14 | Super magnetostriction material force magnetic characteristic measuring device under ultralow temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110286341B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097735A (en) * | 2020-09-30 | 2020-12-18 | 华侨大学 | Measuring device for neutral point position of model pile |
| CN115166331A (en) * | 2022-07-21 | 2022-10-11 | 哈尔滨理工大学 | Fiber current transformer based on fiber laser and GMM |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394488A (en) * | 1993-11-30 | 1995-02-28 | United Technologies Corporation | Optical fiber grating based sensor |
| WO2000060369A1 (en) * | 1999-04-05 | 2000-10-12 | Spinix Corporation | Passive solid-state magnetic field sensors and applications therefor |
| AU2006248769A1 (en) * | 2005-05-17 | 2006-11-23 | Petroleo Brasileiro Sa - Petrobras | Fiber optic position transducer with magnetostrictive material and position calibration process |
| CN102540114A (en) * | 2011-06-01 | 2012-07-04 | 兰州大学 | Device for measuring characteristics of ultra-magnetostrictive material under extremely low temperature environment |
| CN105806377A (en) * | 2016-03-08 | 2016-07-27 | 武汉理工大学 | GMA grating sensing data noise reduction processing device and method |
| CN109828223A (en) * | 2019-01-30 | 2019-05-31 | 兰州大学 | A kind of Fbg Sensor For Measuring Magnetic Field calibration system and method |
| CN211086570U (en) * | 2019-06-14 | 2020-07-24 | 兰州大学 | Ultra-low temperature giant magnetostrictive material force magnetic characteristic measuring device |
-
2019
- 2019-06-14 CN CN201910517837.6A patent/CN110286341B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394488A (en) * | 1993-11-30 | 1995-02-28 | United Technologies Corporation | Optical fiber grating based sensor |
| WO2000060369A1 (en) * | 1999-04-05 | 2000-10-12 | Spinix Corporation | Passive solid-state magnetic field sensors and applications therefor |
| AU2006248769A1 (en) * | 2005-05-17 | 2006-11-23 | Petroleo Brasileiro Sa - Petrobras | Fiber optic position transducer with magnetostrictive material and position calibration process |
| CN102540114A (en) * | 2011-06-01 | 2012-07-04 | 兰州大学 | Device for measuring characteristics of ultra-magnetostrictive material under extremely low temperature environment |
| CN105806377A (en) * | 2016-03-08 | 2016-07-27 | 武汉理工大学 | GMA grating sensing data noise reduction processing device and method |
| CN109828223A (en) * | 2019-01-30 | 2019-05-31 | 兰州大学 | A kind of Fbg Sensor For Measuring Magnetic Field calibration system and method |
| CN211086570U (en) * | 2019-06-14 | 2020-07-24 | 兰州大学 | Ultra-low temperature giant magnetostrictive material force magnetic characteristic measuring device |
Non-Patent Citations (2)
| Title |
|---|
| 史鹏翔: "光纤光栅振动传感及在电力线运动监测中应用的研究", 《优秀硕士论文》, 15 July 2013 (2013-07-15) * |
| 王建元;蔡国伟;高龙集;徐元哲;赵阳;: "应用光纤Bragg光栅的新型直流电流测量方法", 高电压技术, no. 07, 15 July 2007 (2007-07-15) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097735A (en) * | 2020-09-30 | 2020-12-18 | 华侨大学 | Measuring device for neutral point position of model pile |
| CN115166331A (en) * | 2022-07-21 | 2022-10-11 | 哈尔滨理工大学 | Fiber current transformer based on fiber laser and GMM |
| CN115166331B (en) * | 2022-07-21 | 2023-08-11 | 哈尔滨理工大学 | Fiber current transformer based on fiber laser and GMM |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110286341B (en) | 2024-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102735964B (en) | High-temperature-superconductivity strip material multi-field characteristic measuring device | |
| CN102768225B (en) | High-accuracy method for testing thermal interface material | |
| CN110286341A (en) | Giant magnetostrictive material power magnetic characteristic measuring device under a kind of ultralow temperature | |
| CN102507725B (en) | Measuring device and measuring method of superconductive AC magnetic susceptibility | |
| CN103323154B (en) | Method for measuring inner stress in pouring explosive solidification process | |
| CN202794074U (en) | High temperature superconduction temperature transition measuring device based upon cryogenic refrigerator | |
| CN202182852U (en) | Mechanical property test system for superconducting material in 77K environment | |
| CN102353582B (en) | Low temperature experiment box for testing mechanical properties of superconducting material | |
| CN102768224A (en) | Testing method for testing solid-solid contact thermal resistance by using forward and reverse bidirectional heat flux method | |
| CN108038795A (en) | Hot-spot temperature of transformer inversion method and system based on streamline and support vector machines | |
| CN110987239A (en) | Temperature measurement detection device for terminal base of electric energy meter | |
| CN110021459A (en) | A kind of optical fiber built-in superconducting tape and preparation method thereof | |
| CN204679549U (en) | A kind of subsea cable big current heat cycles pilot system | |
| CN108896840A (en) | A kind of device and method of original position real-time measurement piezoelectric material high-temperature piezoelectric strain constant | |
| CN102156005B (en) | Universal piston temperature measuring device for combustion engine | |
| CN108717014A (en) | Water recycles temperature control one-dimensional consolidation instrument | |
| CN103822668B (en) | The optical fiber Bragg raster low-temperature sensor of a kind of strain and temperature simultaneously measuring and using method thereof | |
| CN211086570U (en) | Ultra-low temperature giant magnetostrictive material force magnetic characteristic measuring device | |
| CN204286937U (en) | A kind of carton checkout equipment | |
| CN1963504A (en) | Determining apparatus for contraction coefficient of two-box road making materials | |
| CN206656978U (en) | A kind of material bullet heat performance testing device | |
| CN113027608A (en) | Internal combustion engine piston top surface transient temperature remote measuring system and installation method thereof | |
| Dai et al. | A novel calorimetric method for measurement of AC losses of HTS tapes by optical fiber Bragg grating | |
| CN206192927U (en) | A heat sink that is used for high low temperature experiment test system | |
| CN105869688B (en) | The measuring method and device of containment moisture film coverage rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |