CN106772144A - A kind of magnetic flow liquid magnetic field loading test device - Google Patents
A kind of magnetic flow liquid magnetic field loading test device Download PDFInfo
- Publication number
- CN106772144A CN106772144A CN201611071064.6A CN201611071064A CN106772144A CN 106772144 A CN106772144 A CN 106772144A CN 201611071064 A CN201611071064 A CN 201611071064A CN 106772144 A CN106772144 A CN 106772144A
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- CN
- China
- Prior art keywords
- sensor block
- magnetic field
- flow liquid
- end cover
- lower house
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention relates to a kind of magnetic flow liquid magnetic field loading test device, it is used to the magnetic field value tested under different exciting electric current, the device is a disc-shaped structure, including the lower house and upper end cover that are mutually permanently connected, described upper end cover center is provided with circular sensor block hole, which is provided with sensor block, described lower house, upper end cover and sensor block form cavity, a tubular coil is provided with the cavity and lower house inwall, the enamel-covered wire being connected by wire with external power source is wound with the groove of the tubular coil, remainder filling magnetic flow liquid in cavity.Compared with prior art, the present invention have the advantages that simple structure, loading steadily, small volume, energy consumption be low, response is fast.
Description
Technical field
The present invention relates to a kind of magnetic flow liquid test device, more particularly, to a kind of magnetic flow liquid magnetic field loading test dress
Put.
Background technology
Magnetic flow liquid is a kind of intellectual material, and its rheological behavior can occur great variety under additional magnetic fields, and
This change is continuous, reversible, controllable.When being acted on without externally-applied magnetic field, it is special that it shows the low Newtonian fluid of good fluidity, viscosity
Property；When there is externally-applied magnetic field to act on, its apparent viscosity shows the Bingham that mobility is low, viscosity is high within the Millisecond time
Fluid behaviour.Magnetic flow liquid loading device simple structure based on this feature development, steady loading, small volume, energy consumption are low, loud
Should be fast, it is with a wide range of applications in engineering field.
At present, magnetic flow liquid comes under qualitative analysis in the application of transmission field, that is, transmit the size of torque with magnetic induction
The increase of intensity and increase, not quantitative analysis so that relevant technology cannot accurately measure magnetic flow liquid magnetic field value.
The content of the invention
The purpose of the present invention is exactly to provide a kind of magnetic flow liquid magnetic field for the defect for overcoming above-mentioned prior art to exist
Loading test device.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of magnetic flow liquid magnetic field loading test device, it is used to the magnetic field value tested under different exciting electric current, the dress
A disc-shaped structure, including the lower house and upper end cover being mutually permanently connected are set to, described upper end cover center is provided with circle
Sensor block hole, which is provided with sensor block, and described lower house, upper end cover and sensor block form cavity, in the cavity and lower house
A tubular coil is provided with wall, the enamel-covered wire being connected by wire with external power source is wound with the groove of the tubular coil, it is empty
Remainder filling magnetic flow liquid in chamber.
Described sensor block includes outer sensor block and interior sensor block, and described outer sensor block radial section is in zigzag, fixed
It is connected at circular sensor block hole, described interior sensor block is in cylindrical machine shape, is socketed in outer sensor block.
Ground is provided with first annular draw-in groove in described lower house, and described upper end cover inner top surface is provided with the second annular snap
Groove, described first annular draw-in groove is oppositely arranged with the second annular slot, and described tubular coil is fastened on first annular draw-in groove
In the second annular slot.
Described lower house is fixedly connected with upper end cover by the first hexagon-headed bolt, and described outer sensor block passes through second
Hexagon-headed bolt is fixedly connected with upper end cover circle sensor block hole.
The outer surface center of described interior sensor block offers a Hall sensor probe hole.
The through hole to extraction wire is respectively equipped with described lower house and upper end cover.
Described interior sensor block is pure iron, and described outer sensor block is A3 steel.
Compared with prior art, the present invention has advantages below：
1) magnetic field intensity is changed by adjusting the size of current strength, so as to realize the steady loading in magnetic field；
2) cavity is formed between lower house, upper end cover and sensor block, it is ensured that noise is low in the course of the work for magnetic flow liquid, shake
It is dynamic small；
3) main working parts (interior sensor block and outer sensor block) long lifespan, abrasion are small；
4) the magnetic flow liquid energy consumption in device is low；
5) wire is drawn from the through hole of lower house and upper end cover, shortens Effect time, the sensitivity for enhancing；
6) the magnetic field loading test device simple structure.
Brief description of the drawings
Fig. 1 is front sectional view of the invention.
Fig. 2 is the full sectional view of lower house.
Fig. 3 is the full sectional view of outer sensor block.
Fig. 4 is the full sectional view of interior sensor block.
Fig. 5 is the sectional view of tubular coil.
Fig. 6 is the full sectional view of upper end cover.
1st, the first hexagon-headed bolt, 2, lower house, 3, outer sensor block, 4, interior sensor block, 5, magnetic flow liquid, 6, tubular line
Circle, 7, enamel-covered wire, 8, upper end cover, the 9, second hexagon-headed bolt, 21, first annular draw-in groove, 41, Hall sensor probe hole, 81,
Second annular slot.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in figure 1, a kind of magnetic flow liquid magnetic field loading device, including the first hexagon-headed bolt 1, lower house 2, outer sensing
Block 3, interior sensor block 4, magnetic flow liquid 5, tubular coil 6, enamel-covered wire 7, the hexagon-headed bolt 9 of upper end cover 8 and second.
As shown in Fig. 2 the side of lower house 2 is provided with first annular draw-in groove 21 is used to coordinate the second annular snap on upper end cover 8
Groove 81, make tubular coil 6 it is firm be connected to cavity inside, through hole is equipped with lower house 2 and upper end cover 8, consequently facilitating twining
The wire that the enamel-covered wire 7 being wound on tubular coil 6 is connected with external current source leads to outside from inside.
As shown in Figures 3 and 4, interior sensor block 4 is embedded in outer sensor block 3, and both collectively constitute sensing block structure, and its is main
Effect is for transmitting magnetic field.
As shown in figure 5, the present invention transmits the magnetic line of force by tubular coil 6.
As shown in fig. 6, the purpose of upper end cover 8 is to make have good sealing inside this device, so as to ensure magnetic current
Become liquid 5 not disturbed by external environment.
In the case of adding magnetic flow liquid in the cavity of magnetic field loading test device, make the enamel-covered wire 7 on tubular coil 6
Winding connects DC voltage-stabilizing regulated power supply, the current induced magnetic field in tubular coil 6, and magnetic flow liquid 5 produces magnetic rheology effect, soft
Magnetic-particle forms chain structure along magnetic field line direction, is changed produced by tubular coil 6 by adjusting current strength size
Magnetic induction intensity, then measured and recording magnetic field size with hall probe.
The present apparatus is the rheological behavior using magnetic flow liquid, the new loading device developed with reference to machine design method,
Apparatus of the present invention change the magnetic field size that magnet exciting coil is produced by adjusting electric current, and measure magnetic field size with hall probe,
Simple structure of the present invention, loading steady, small volume, energy consumption are low, response is fast, are with a wide range of applications in engineering field.
Claims (7)
1. a kind of magnetic flow liquid magnetic field loading test device, it is used to the magnetic field value tested under different exciting electric current, its feature
It is that the device is a disc-shaped structure, including the lower house (2) and upper end cover (8) being mutually permanently connected, described upper end cover
(8) center is provided with circular sensor block hole, which is provided with sensor block, described lower house (2), upper end cover (8) and sensor block shape
Into cavity, a tubular coil (6) is provided with the cavity and lower house (2) inwall, be wound with the groove of the tubular coil (6) with
The enamel-covered wire (7) that external power source is connected by wire, remainder fills magnetic flow liquid (5) in cavity.
2. a kind of magnetic flow liquid magnetic field loading test device according to claim 1, it is characterised in that described sensor block
Including outer sensor block (3) and interior sensor block (4), described outer sensor block (3) radial section is in zigzag, is fixedly connected on circle
At sensor block hole, described interior sensor block (4) is socketed in outer sensor block (3) in cylindrical machine shape.
3. a kind of magnetic flow liquid magnetic field loading test device according to claim 1, it is characterised in that described lower house
(2) interior ground is provided with first annular draw-in groove (21), and described upper end cover (8) inner top surface is provided with the second annular slot (81), described
First annular draw-in groove (21) be oppositely arranged with the second annular slot (81), described tubular coil (6) is fastened on first annular
In draw-in groove (21) and the second annular slot (81).
4. a kind of magnetic flow liquid magnetic field loading test device according to claim 2, it is characterised in that described lower house
(2) it is fixedly connected by the first hexagon-headed bolt (1) with upper end cover (8), described outer sensor block (3) is by the second turret head spiral shell
Bolt (9) is fixedly connected with upper end cover (8) circle sensor block hole.
5. a kind of magnetic flow liquid magnetic field loading test device according to claim 1, it is characterised in that described interior sensing
The outer surface center of block (4) offers a Hall sensor probe hole (41).
6. a kind of magnetic flow liquid magnetic field loading test device according to claim 1, it is characterised in that described lower house
(2) and on upper end cover (8) it is respectively equipped with the through hole to extraction wire.
7. a kind of magnetic flow liquid magnetic field loading test device according to claim 2, it is characterised in that described interior sensing
Block (4) is pure iron, and described outer sensor block (3) is A3 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071064.6A CN106772144A (en) | 2016-11-29 | 2016-11-29 | A kind of magnetic flow liquid magnetic field loading test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071064.6A CN106772144A (en) | 2016-11-29 | 2016-11-29 | A kind of magnetic flow liquid magnetic field loading test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772144A true CN106772144A (en) | 2017-05-31 |
Family
ID=58905219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611071064.6A Pending CN106772144A (en) | 2016-11-29 | 2016-11-29 | A kind of magnetic flow liquid magnetic field loading test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106772144A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377424A (en) * | 2017-09-19 | 2017-11-24 | 长电科技（滁州）有限公司 | A kind of Hall coil and Hall product test coil device and method of testing based on Hall coil |
| CN108535140A (en) * | 2018-04-09 | 2018-09-14 | 福州大学 | A kind of magnetorheological fluid response characteristics testing device and its method |
| CN109056854A (en) * | 2018-08-14 | 2018-12-21 | 中冶建筑研究总院（深圳）有限公司 | A kind of single-pile vertical orientation static test counterforce device and applying method |
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| CN103512690A (en) * | 2012-06-29 | 2014-01-15 | 东南大学常州研究院 | Testing device for magneto-rheological fluid shear yield stress |
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2016
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| CN1388366A (en) * | 2001-05-25 | 2003-01-01 | 中国科学技术大学 | Test system for rheological characteristics of magnetic rheological liquid |
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| US20110120207A1 (en) * | 2009-11-24 | 2011-05-26 | Basf Se | Method and device for characterizing magnetorheological fluids |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377424A (en) * | 2017-09-19 | 2017-11-24 | 长电科技（滁州）有限公司 | A kind of Hall coil and Hall product test coil device and method of testing based on Hall coil |
| CN107377424B (en) * | 2017-09-19 | 2023-05-23 | 长电科技（滁州）有限公司 | Hall coil, hall product testing coil device based on Hall coil and testing method |
| CN108535140A (en) * | 2018-04-09 | 2018-09-14 | 福州大学 | A kind of magnetorheological fluid response characteristics testing device and its method |
| CN109056854A (en) * | 2018-08-14 | 2018-12-21 | 中冶建筑研究总院（深圳）有限公司 | A kind of single-pile vertical orientation static test counterforce device and applying method |
| CN109056854B (en) * | 2018-08-14 | 2023-11-14 | 中冶建筑研究总院（深圳）有限公司 | Reaction force device for single pile vertical static load test and application method |
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