CN102252914B - Magnetomechanical coupling air pressure-loading system in low temperature environment - Google Patents
Magnetomechanical coupling air pressure-loading system in low temperature environment Download PDFInfo
- Publication number
- CN102252914B CN102252914B CN 201110117844 CN201110117844A CN102252914B CN 102252914 B CN102252914 B CN 102252914B CN 201110117844 CN201110117844 CN 201110117844 CN 201110117844 A CN201110117844 A CN 201110117844A CN 102252914 B CN102252914 B CN 102252914B
- Authority
- CN
- China
- Prior art keywords
- air pressure
- temperature environment
- liquid nitrogen
- low temperature
- magnetic
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a magnetomechanical coupling air pressure-loading system in low temperature environment, which comprises a low temperature environment providing device, an air pressure-loading device, and a high magnetic field environment providing device, wherein: an air inlet of the low temperature environment providing device is fittedly connected to an air outlet of the air pressure-loading device, and the magnetic field environment providing device is fittedly connected to the low temperature environment providing device and the air pressure-loading device respectively. The magnetomechanical coupling air pressure-loading system in low temperature environment of the invention can overcome the defects of incomprehensive testing and poor accuracy of the prior art, and has the advantages of comprehensive testing and good accuracy.
Description
Technical field
The present invention relates to the experimental provision of giant magnetostrictive material, particularly, relate to a kind of Magnetomechanical coupling air pressure-loading system in low temperature environment.
Background technology
At present, in a large amount of experimental studies, the research worker finds that the magnetic machine coupling performance of giant magnetostrictive material is subject to the impact that plus load, environment temperature etc. change, particularly under low temperature environment (liquid nitrogen temperature is-196 ℃), giant magnetostrictive material have than (environment temperature is 20 ℃) much larger magnitude of magnetostriction under the normal temperature.The magnitude of magnetostriction of giant magnetostrictive material can reach 6000ppm under the low temperature environment, and the magnitude of magnetostriction of giant magnetostrictive material is 2200ppm(ppm=10 to the maximum under the normal temperature
-6).
But, for the experimental provision under the giant magnetostrictive material low temperature environment, considerably less bibliographical information is arranged.And, about the research of giant magnetostrictive material, mostly all concentrate characteristic research at normal temperatures at present.Only experimental results are also just only having liquid nitrogen temperature, and do not have in the situation of power loading the experimental result that tests out.These all can not comparatively comprehensively reflect this kind material many coupled characteristics of power magnetic heat under liquid nitrogen cryogenics.
In sum, in realizing process of the present invention, the inventor finds to exist at least in the prior art defectives such as testing comprehensive and poor accuracy.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of Magnetomechanical coupling air pressure-loading system in low temperature environment, with the advantage that realizes test comprehensively and accuracy is good.
For achieving the above object, the technical solution used in the present invention is: a kind of Magnetomechanical coupling air pressure-loading system in low temperature environment, comprise device for providing low-temperature environment, air pressure loading device and highfield environment generator, wherein: the gas access of described device for providing low-temperature environment and the gas vent of air pressure loading device are connected, and described magnetic field environment generator is connected with device for providing low-temperature environment and air pressure loading device respectively.
Further, also comprise the laboratory sample stationary installation, described laboratory sample stationary installation is equipped with between device for providing low-temperature environment and air pressure loading device.
Further, described device for providing low-temperature environment comprises liquid nitrogen storage assembly, liquid nitrogen delivery pipe and liquid nitrogen heat insulation module, and the liquid nitrogen output terminal of described liquid nitrogen storage assembly is connected with the liquid nitrogen inlet of liquid nitrogen heat insulation module through the liquid nitrogen delivery pipe.
Further, described liquid nitrogen storage assembly comprises the liquid nitrogen reservoir, and the gland bonnet at the openend of described liquid nitrogen reservoir is added a cover in sealing, offers the pressurization mouth at described gland bonnet, at described pressurization mouth tensimeter is installed; One end of the close liquid nitrogen storage assembly of described liquid nitrogen delivery pipe passes gland bonnet and extends the bottom of liquid nitrogen reservoir.
Further, described liquid nitrogen heat insulation module comprises the pressure-bearing Dewar flask, is coated with the epoxy plate lid at the openend of described pressure-bearing Dewar flask, is provided with the pressure-bearing supporting seat in the bottom centre of described pressure-bearing Dewar flask; The other end of described liquid nitrogen delivery pipe passes the epoxy plate lid; Cover at described epoxy plate and also to offer the gas access.
Further, the body of described pressure-bearing Dewar flask comprises double-layer vacuum magnetism-free stainless steel outer wall, and described pressure-bearing supporting seat is positioned at bottom centre's empty cavity position of double-layer vacuum magnetism-free stainless steel outer wall.
Further, described air pressure loading device comprises air compressor, air shooter and air pressure assembly, and the gas vent of described air compressor is connected by the gas access of air shooter with the air pressure assembly; Be provided with constant-voltage meter and three-way valve at described air shooter.
Further, described air pressure assembly comprises non-magnetic rustproof steel sheet and the magnetism-free stainless steel right cylinder that horizontal parallel interval up and down arranges, and the close cylindrical sidewall of described magnetism-free stainless steel, vertically be arranged on first between non-magnetic rustproof steel sheet and the magnetism-free stainless steel right cylinder without magnetic corrugated tube and second without the magnetic corrugated tube; Form airtight inflating cavity without magnetic corrugated tube and second between without the magnetic corrugated tube at described non-magnetic rustproof steel sheet, magnetism-free stainless steel right cylinder, first; At the cylindrical sidewall of described magnetism-free stainless steel, offer the air pressure input port that is communicated with air shooter and inflating cavity; At the cylindrical bottom centre position of described magnetism-free stainless steel, offer gas vent.
Further, described magnetic field environment generator comprises suddenly nurse hertz coil, and the upper magnetic pole head of described suddenly nurse hertz coil is arranged on the below that the top of air pressure loading device, lower magnetic pole head are arranged on device for providing low-temperature environment; Distance between described upper magnetic pole head and the lower magnetic pole head is not more than 150mm.
Further, described laboratory sample stationary installation comprises the first fixing fixing skeleton of skeleton and second that vertically is symmetricly set on the laboratory sample both sides, and horizontal symmetrical is arranged on upper ejector pin and the lower push rod at laboratory sample two ends; Fixedly in skeleton and second cavity that fixedly skeleton forms the low temperature Hall element is installed described first, the place is equipped with diaphragm pressure sensor at upper ejector pin, is pasted with the low temperature foil gauge at laboratory sample, is wound with 5-6 circle coil; Match with coil with described low temperature Hall element, diaphragm pressure sensor, low temperature foil gauge, also be provided with shielded conductor.
The Magnetomechanical coupling air pressure-loading system in low temperature environment of various embodiments of the present invention, owing to comprising device for providing low-temperature environment, air pressure loading device and highfield environment generator, the gas access of device for providing low-temperature environment and the gas vent of air pressure loading device are connected, and the magnetic field environment generator is connected with device for providing low-temperature environment and air pressure loading device respectively; Device for providing low-temperature environment can ensure subzero 196 ℃ of the required low temperature environment 77K(of experiment) and bear the top load of 8400N, air pressure loading device provides stable pressure condition, compressive stress to be 64MPa to the maximum in experiment, and it is 1910kA/m that the magnetic field environment generator can provide stable magnetic field, maximum field; Thereby can overcome the defective of testing comprehensive and poor accuracy in the prior art, with the advantage that realizes test comprehensively and accuracy is good.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the instructions of writing, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of instructions, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the Magnetomechanical coupling air pressure-loading system in low temperature environment according to the present invention.
By reference to the accompanying drawings, Reference numeral is as follows in the embodiment of the invention:
1-pressurizes mouthful; The 2-tensimeter; 3-liquid nitrogen reservoir; 4-pressure-bearing Dewar flask; 5-pressure-bearing supporting seat; 6-epoxy plate lid; The 7-gib screw; The 8-air compressor; The defeated table of pressing of 9-; Press table in the 10-; The 11-three-way valve; 12-air pressure input port; 13-air pressure assembly; 14-non-magnetic rustproof steel sheet; The 15-inflating cavity; 16-is without the magnetic corrugated tube; 17-magnetism-free stainless steel right cylinder; The upper magnetic pole head of 18-; 19-lower magnetic pole head; The 20-Hall element; The 21-shielded conductor; 22-is skeleton fixedly; The 23-laboratory sample.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
According to the embodiment of the invention, provide a kind of Magnetomechanical coupling air pressure-loading system in low temperature environment.As shown in Figure 1, the present embodiment comprises device for providing low-temperature environment, air pressure loading device, highfield environment generator and laboratory sample 23 stationary installations, wherein, the gas access of device for providing low-temperature environment and the gas vent of air pressure loading device are connected, the magnetic field environment generator is connected with device for providing low-temperature environment and air pressure loading device respectively, and laboratory sample 23 stationary installations are equipped with between device for providing low-temperature environment and air pressure loading device.
Further, in the above-described embodiments, above-mentioned device for providing low-temperature environment comprises liquid nitrogen storage assembly, liquid nitrogen delivery pipe and liquid nitrogen heat insulation module, and the liquid nitrogen output terminal of liquid nitrogen storage assembly is connected with the liquid nitrogen inlet of liquid nitrogen heat insulation module through the liquid nitrogen delivery pipe.
Wherein, above-mentioned liquid nitrogen storage assembly comprises liquid nitrogen reservoir 3, and the gland bonnet at the openend of liquid nitrogen reservoir 3 is added a cover in sealing, offers pressurization mouth 1 at gland bonnet, at pressurization mouth 1 tensimeter 2 is installed; One end of the close liquid nitrogen storage assembly of liquid nitrogen delivery pipe passes gland bonnet and extends the bottom of liquid nitrogen reservoir 3.By the reality test, after liquid nitrogen reservoir 3 was full of liquid nitrogen, liquid nitrogen reservoir 3 can keep 1.5 hours low temperature environment, thereby guaranteed to finish experiment test under low temperature environment.
Above-mentioned liquid nitrogen heat insulation module comprises pressure-bearing Dewar flask 4, is coated with epoxy plate lid 6 at the openend of pressure-bearing Dewar flask 4, is conducive to reduce the volatilization of liquid nitrogen; Epoxy plate lid 6 is connected with pressure-bearing Dewar flask 4 by gib screw 7, is provided with pressure-bearing supporting seat 5 in the bottom centre of pressure-bearing Dewar flask 4; The other end of liquid nitrogen delivery pipe passes epoxy plate lid 6; On epoxy plate lid 6, also offer the gas access.Here, the body of pressure-bearing Dewar flask 4 comprises double-layer vacuum magnetism-free stainless steel outer wall, the rigidity of non-magnetic rustproof Steel material own is higher, pressure-bearing supporting seat 5 is positioned at bottom centre's empty cavity position of double-layer vacuum magnetism-free stainless steel outer wall, the design bearing pressure is 8400N, the load of experimental result for bearing 8600N.
In above-mentioned device for providing low-temperature environment, by pressurization mouth 1, can with the liquid nitrogen that is stored in the liquid nitrogen reservoir 3, be input in the pressure-bearing Dewar flask 4.
Further, in the above-described embodiments, air pressure loading device comprises air compressor 8, air shooter and air pressure assembly 13, and the gas vent of air compressor 8 is connected by the gas access of air shooter with air pressure assembly 13; Be provided with constant-voltage meter and three-way valve 11 at air shooter.In air compressor 8, also be provided with defeated pressure table 9 and interior pressure table 10.
Wherein, above-mentioned air pressure assembly 13 comprises the non-magnetic rustproof steel sheet 14 and magnetism-free stainless steel right cylinder 17 that horizontal parallel interval up and down arranges, and near the sidewall of magnetism-free stainless steel right cylinder 17, vertically be arranged on first between non-magnetic rustproof steel sheet 14 and the magnetism-free stainless steel right cylinder 17 without magnetic corrugated tube (as without magnetic corrugated tube 16) and second without the magnetic corrugated tube; Form airtight inflating cavity 15 without magnetic corrugated tube and second between without the magnetic corrugated tube at non-magnetic rustproof steel sheet 14, magnetism-free stainless steel right cylinder 17, first; At the sidewall of magnetism-free stainless steel right cylinder 17, offer the air pressure input port 12 that is communicated with air shooter and inflating cavity 15; Bottom centre position at magnetism-free stainless steel right cylinder 17 offers gas vent.
Here, first without magnetic corrugated tube, second without magnetic corrugated tube, non-magnetic rustproof steel sheet 14 and magnetism-free stainless steel right cylinder 17, the material of selecting all can not exert an influence to magnetic field; Can adopt argon arc welding, be welded as an airtight container (be inflating cavity 15) without magnetic corrugated tube, second without magnetic corrugated tube, non-magnetic rustproof steel sheet 14 and magnetism-free stainless steel right cylinder 17 with first, carry out the input of gas by air compressor 8; Air compressor 8 provides air pressure, in air compressor 8 and air pressure assembly 13 indirect constant-voltage meter and three-way valve 11 is arranged, and makes the air pressure that is filled with in the air pressure assembly 13 remain on steady state value, and the precision of air pressure is 1N.
Further, in the above-described embodiments, the magnetic field environment generator comprises suddenly nurse hertz coil, and the upper magnetic pole head 18 of nurse hertz coil is arranged on the top of air pressure loading device, the below that lower magnetic pole head 19 is arranged on device for providing low-temperature environment suddenly; Distance between upper magnetic pole head 18 and the lower magnetic pole head 19 is adjustable and be not more than 150mm.Here, nurse hertz coil can provide stable magnetic field suddenly, and when the diameter of upper magnetic pole head 18 and lower magnetic pole head 19 was distance between 100mm and upper magnetic pole head 18 and the lower magnetic pole head 19 and is 100mm, maximum field was 1910kA/m.
Further, in the above-described embodiments, laboratory sample 23 stationary installations comprise the first fixedly skeleton (such as fixing skeleton 22) and the second fixing skeleton that vertically is symmetricly set on laboratory sample 23 both sides, and horizontal symmetrical is arranged on upper ejector pin and the lower push rod at laboratory sample 23 two ends; Fixedly in skeleton and second cavity that fixedly skeleton forms low temperature Hall element 20 is installed first, the place is equipped with diaphragm pressure sensor at upper ejector pin, be pasted with low temperature foil gauge (adaptive temperature is 4K-normal temperature), be wound with 5-6 circle coil at laboratory sample 23, can distinguish mechanical property and the magnetic characteristic of test experiments sample 23 under many environment; Match with coil with low temperature Hall element 20, diaphragm pressure sensor, low temperature foil gauge, also be provided with shielded conductor 21.
Here, laboratory sample 23 stationary installations are also selected nonmagnetic substance, two parallel end faces are arranged up and down, the depth of parallelism is no more than 7 grades of the grades of tolerance, can realize laboratory sample 23 stressed evenly, and can not occur because placement laboratory sample 23 is improper, and cause unstability or the shear failure of pressure-loaded process.
In the above-described embodiments, the overall dimensions height after laboratory sample 23, air pressure loading device, laboratory sample 23 stationary installations and 4 assemblings of pressure-bearing Dewar flask can not be greater than 150mm, and should be controlled at as far as possible between the 100-130mm; Through experiment, when this overall dimensions height is 125mm, can satisfy the requirement of experiment.
When using the Magnetomechanical coupling air pressure-loading system in low temperature environment of above-described embodiment, need to be in device for providing low-temperature environment, at first giant magnetostrictive rod is sticked the low temperature foil gauge, to export copper leads rod and couples together with giant magnetostrictive rod, be placed in the device for providing low-temperature environment, then pour liquid nitrogen into, be advisable soaking giant magnetostrictive rod fully, cover device for providing low-temperature environment epoxy plate lid, low ambient kits and air pressure loading device are put between the upper magnetic pole head and lower magnetic pole head of nurse hertz coil suddenly, adjust the upper magnetic pole head of nurse hertz coil suddenly and lower magnetic pole hair heat distance to the pressure adjacent locations is arranged, just can pressurize this moment, drive the suddenly unlatching of nurse hertz coil magnetic field, carry out low temperature test research.
The Magnetomechanical coupling air pressure-loading system in low temperature environment of above-described embodiment, can satisfy the test of the power magnetic coupling characteristic of giant magnetostrictive material under the low temperature environment, be the giant magnetostrictive material characteristic test of power-magnetic-many couplings of Re, provide good platform thereby be embodied as the more widely applied research of this kind material.
Compared with prior art, the Magnetomechanical coupling air pressure-loading system in low temperature environment of above-described embodiment has following characteristic: the material that the ⑴ inner structure is selected all is nonmagnetic substance, when satisfying mechanical property, can the homogeneity of magnetic field intensity not exerted an influence; ⑵ the material that select can not deform or occur the actual effect of mechanical characteristic under liquid nitrogen temperature, in order to avoid be damaged in the mechanical load process; ⑶ the mechanical signal that select, the sensor of magnetic signal all are adapted to low temperature environment and measure, and can guarantee the accurate test under low temperature environment.
In sum, the Magnetomechanical coupling air pressure-loading system in low temperature environment of various embodiments of the present invention, owing to comprising device for providing low-temperature environment, air pressure loading device and highfield environment generator, the gas access of device for providing low-temperature environment and the gas vent of air pressure loading device are connected, and the magnetic field environment generator is connected with device for providing low-temperature environment and air pressure loading device respectively; Device for providing low-temperature environment can ensure subzero 196 ℃ of the required low temperature environment 77K(of experiment) and bear the top load of 8400N, air pressure loading device provides stable pressure condition, compressive stress to be 64MPa to the maximum in experiment, and it is 1910kA/m that the magnetic field environment generator can provide stable magnetic field, maximum field; Thereby can overcome the defective of testing comprehensive and poor accuracy in the prior art, with the advantage that realizes test comprehensively and accuracy is good.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a Magnetomechanical coupling air pressure-loading system in low temperature environment is characterized in that, comprises device for providing low-temperature environment, air pressure loading device and highfield environment generator, wherein:
The gas access of described device for providing low-temperature environment and the gas vent of air pressure loading device are connected, and described magnetic field environment generator is connected with device for providing low-temperature environment and air pressure loading device respectively;
Described air pressure loading device comprises air compressor, air shooter and air pressure assembly, and the gas vent of described air compressor is connected by the gas access of air shooter with the air pressure assembly; Be provided with constant-voltage meter and three-way valve at described air shooter;
Described air pressure assembly comprises non-magnetic rustproof steel sheet and the magnetism-free stainless steel right cylinder that horizontal parallel interval up and down arranges, and the close cylindrical sidewall of described magnetism-free stainless steel, vertically be arranged on first between non-magnetic rustproof steel sheet and the magnetism-free stainless steel right cylinder without magnetic corrugated tube and second without the magnetic corrugated tube;
Form airtight inflating cavity without magnetic corrugated tube and second between without the magnetic corrugated tube at described non-magnetic rustproof steel sheet, magnetism-free stainless steel right cylinder, first; At the cylindrical sidewall of described magnetism-free stainless steel, offer the air pressure input port that is communicated with air shooter and inflating cavity; At the cylindrical bottom centre position of described magnetism-free stainless steel, offer gas vent.
2. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 1 is characterized in that, also comprises the laboratory sample stationary installation, and described laboratory sample stationary installation is equipped with between device for providing low-temperature environment and air pressure loading device.
3. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 1 and 2, it is characterized in that, described device for providing low-temperature environment comprises liquid nitrogen storage assembly, liquid nitrogen delivery pipe and liquid nitrogen heat insulation module, and the liquid nitrogen output terminal of described liquid nitrogen storage assembly is connected with the liquid nitrogen inlet of liquid nitrogen heat insulation module through the liquid nitrogen delivery pipe.
4. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 3, it is characterized in that, described liquid nitrogen storage assembly comprises the liquid nitrogen reservoir, the gland bonnet at the openend of described liquid nitrogen reservoir is added a cover in sealing, offer the pressurization mouth at described gland bonnet, at described pressurization mouth tensimeter is installed; One end of the close liquid nitrogen storage assembly of described liquid nitrogen delivery pipe passes gland bonnet and extends the bottom of liquid nitrogen reservoir.
5. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 4, it is characterized in that, described liquid nitrogen heat insulation module comprises the pressure-bearing Dewar flask, is coated with the epoxy plate lid at the openend of described pressure-bearing Dewar flask, is provided with the pressure-bearing supporting seat in the bottom centre of described pressure-bearing Dewar flask; The other end of described liquid nitrogen delivery pipe passes the epoxy plate lid; Cover at described epoxy plate and also to offer the gas access.
6. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 5, it is characterized in that, the body of described pressure-bearing Dewar flask comprises double-layer vacuum magnetism-free stainless steel outer wall, and described pressure-bearing supporting seat is positioned at bottom centre's empty cavity position of double-layer vacuum magnetism-free stainless steel outer wall.
7. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 1 and 2, it is characterized in that, described magnetic field environment generator comprises suddenly nurse hertz coil, and the upper magnetic pole head of described suddenly nurse hertz coil is arranged on the below that the top of air pressure loading device, lower magnetic pole head are arranged on device for providing low-temperature environment; Distance between described upper magnetic pole head and the lower magnetic pole head is not more than 150mm.
8. Magnetomechanical coupling air pressure-loading system in low temperature environment according to claim 2, it is characterized in that, described laboratory sample stationary installation comprises the first fixing fixing skeleton of skeleton and second that vertically is symmetricly set on the laboratory sample both sides, and horizontal symmetrical is arranged on upper ejector pin and the lower push rod at laboratory sample two ends;
Fixedly in skeleton and second cavity that fixedly skeleton forms the low temperature Hall element is installed described first, the place is equipped with diaphragm pressure sensor at upper ejector pin, is pasted with the low temperature foil gauge at laboratory sample, is wound with 5-6 circle coil;
Also be provided with the shielded conductor that matches with coil with described low temperature Hall element, diaphragm pressure sensor, low temperature foil gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110117844 CN102252914B (en) | 2011-05-09 | 2011-05-09 | Magnetomechanical coupling air pressure-loading system in low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110117844 CN102252914B (en) | 2011-05-09 | 2011-05-09 | Magnetomechanical coupling air pressure-loading system in low temperature environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102252914A CN102252914A (en) | 2011-11-23 |
| CN102252914B true CN102252914B (en) | 2013-04-24 |
Family
ID=44980307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110117844 Expired - Fee Related CN102252914B (en) | 2011-05-09 | 2011-05-09 | Magnetomechanical coupling air pressure-loading system in low temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102252914B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941261A (en) * | 2017-12-05 | 2018-04-20 | 中国科学院高能物理研究所 | A kind of sensor device low-temperature test platform |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539227B (en) * | 2012-02-29 | 2013-08-28 | 上海交通大学 | Automatic-control fatigue testing liquid nitrogen environment device |
| CN104198282A (en) * | 2014-08-14 | 2014-12-10 | 清华大学 | Force-magnetism-electricity multi-field coupling measuring system |
| CN104237020B (en) * | 2014-09-11 | 2017-01-18 | 北京强度环境研究所 | Low-temperature pipeline high-pressure burst testing device |
| CN105865919A (en) * | 2016-05-09 | 2016-08-17 | 兰州大学 | Critical current test device for high-temperature superconducting strip under action of lateral compression |
| CN107359809A (en) * | 2017-06-27 | 2017-11-17 | 西安电子科技大学 | Low temperature smart active member |
| CN109374512B (en) * | 2018-09-20 | 2020-04-14 | 大连理工大学 | Device for ultralow temperature cycle test of material |
| CN113199944B (en) * | 2021-06-17 | 2022-03-15 | 西南交通大学 | Force transmission structure of superconducting electric suspension magnet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1648924B2 (en) * | 1967-08-31 | 1975-05-15 | Heinz Dr. Rer.Nat. 6240 Koenigstein-Johanniswald Hummel | Device for analyzing gases for components with paramagnetic susceptibility |
| CN2857035Y (en) * | 2005-12-28 | 2007-01-10 | 天津大学 | Mag netostriction and magnetic anisotropic |
| CN100557457C (en) * | 2007-08-20 | 2009-11-04 | 北京航空航天大学 | Device for measuring magnetoconstriction performance |
| CN102288478A (en) * | 2011-05-09 | 2011-12-21 | 兰州大学 | Air pressure loading device |
| CN102166538A (en) * | 2011-05-09 | 2011-08-31 | 兰州大学 | Device for providing low-temperature environment |
-
2011
- 2011-05-09 CN CN 201110117844 patent/CN102252914B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941261A (en) * | 2017-12-05 | 2018-04-20 | 中国科学院高能物理研究所 | A kind of sensor device low-temperature test platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102252914A (en) | 2011-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102252914B (en) | Magnetomechanical coupling air pressure-loading system in low temperature environment | |
| CN102435632B (en) | Testing system for researching flow boiling heat transfer character and pressure drop character of cryogenic fluid | |
| CN101706395B (en) | Device for measuring hydrogen brittleness sensitivity of material in low-temperature environment | |
| CN202676356U (en) | Micro differential pressure sensing test apparatus | |
| CN102590265B (en) | Spontaneous ignition point test device in high-pressure oxygen-rich environment | |
| CN103306968B (en) | transformer oil pump test device and test method thereof | |
| CN201488923U (en) | Equipment used for testing vibration property of air spring | |
| CN105466647A (en) | Bogie gas tightness detection device and detection method thereof | |
| CN205483403U (en) | A combined test stand for detection quality barycenter and inertia | |
| CN203396654U (en) | Low-temperature tensile test system for twisted steel | |
| CN102540114B (en) | Device for measuring characteristics of ultra-magnetostrictive material under extremely low temperature environment | |
| CN112113717A (en) | Gas cylinder air tightness testing device and method applied to low-temperature environment | |
| CN105278570A (en) | Device and method for controlling pressure precision of storage tank low-temperature comprehensive performance test | |
| CN102288478A (en) | Air pressure loading device | |
| CN103616279B (en) | For the hoop pressue device of large-diameter Hopkinson pressure bar | |
| CN102166538A (en) | Device for providing low-temperature environment | |
| CN202102097U (en) | Measuring device for characteristics of giant magnetostrictive materials under ultra-low-temperature state | |
| CN103278315A (en) | Device and method for measuring contact rigidity of engine valve | |
| CN102928639A (en) | Electronic capacitive voltage divider | |
| CN201583530U (en) | Heat desorption instrument of sampling tube for environment protection detection of atmosphere | |
| CN107359809A (en) | Low temperature smart active member | |
| CN109612700B (en) | Component performance test system under cryogenic high-pressure environment | |
| CN203053663U (en) | Pressurizing leakage detection device for vacuum clamping sleeve of tank | |
| CN113776949A (en) | Pressure resistance testing device and method for glass bulb of atomic gas chamber | |
| CN203190037U (en) | Liquid level display device of liquefied natural gas vehicle-mounted bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20140509 |