CN106601098A - Application method of small static magnetic field experimental device - Google Patents
Application method of small static magnetic field experimental device Download PDFInfo
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- CN106601098A CN106601098A CN201710000009.6A CN201710000009A CN106601098A CN 106601098 A CN106601098 A CN 106601098A CN 201710000009 A CN201710000009 A CN 201710000009A CN 106601098 A CN106601098 A CN 106601098A
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- magnetic head
- magnetic
- shaped support
- magnetic field
- shaped
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
Abstract
The invention provides an application method of a small static magnetic field experimental device. The adopted device is mainly composed of magnetic heads and a bracket shaped like a Chinese character 'hui', wherein the magnetic heads are cylindrical strong magnets, the bracket is a rectangular frame with the cross section in a circular or rectangular shape, the upper part of the frame is provided with bracket cross beams which are in bilateral symmetry and connected in an unclosed manner, and the magnetic heads can move relative to the bracket cross beams. The application method is characterized by comprising the operating steps of: step 1, mounting the magnetic heads; step 2, adjusting a magnetic field; step 3, and placing a sample and conducting an experiment. The application method has the beneficial effects that the device is convenient and simple in manufacturing, the cost is low, the regulation and control over intensity of the magnetic field can be realized quantitatively through adjusting and controlling a distance between the magnets, and is higher in professionalism.
Description
Technical field
The present invention relates to a kind of using method of the small-sized instrument for producing small range magnetic field, from using being a kind of
Be suitable for laboratory use and provide can appropriate regulation small-sized magnetostatic field experimental provision using method.
Background technology
The mankind have long ago found that magnetic field, and China ancients have found at first and manufactured compass using magnetic field, promote
The rise of world's navigation.Since producing first electromagnet in the world from Ampere in 1820, magnetic field just becomes modern
One basic tool of scientific research, is especially applied to high-intensity magnetic field after scientific research, and scientific circles occur in that many new phenomenons
And new effect, and thus produce many new ideas and new thought.But now most artificial field is all electromagnetic field, mesh
Before, the research direction of magnetic instrument is the huge magnetic field of the large-scale high intensity of manufacture, but in laboratory some need as far as possible
The fine experiment of exclusive PCR, in needing the experiment of low-intensity, magnetostatic field, for example, new material is synthesized experiment, plant species
Son, the differential growth experiment under plant magnetic field, magnetic field induction experiment of living cells etc., the electromagnetic field instrument of these recent studies ons without
Method is used.So, it is now desired to a kind of small-sized produced small range, little instrument in fine-tuning magnetic field suitable for laboratory
Device.
Accordingly, it would be desirable to one kind is suitable for laboratory use, and provide can appropriate regulation small-sized magnetostatic field experimental provision and
Using method.
The content of the invention
To solve the above problems, the technical scheme is that：A kind of using method of small-sized magnetostatic field experimental provision, institute
The device for using mainly is made up of magnetic head and back-shaped support.The magnetic head is a tubular strong magnet, head cylinder one
The face circle at end, is processed to the plane of flat smooth, and the processing of the head cylinder other end is connected with a concentric cylinder
Empty set cylinder, hollow sleeve inwall is machined with bush whorl.Cylinder-shaped magnet is used to produce magnetic field, and sleeve inner car goes out screw thread, uses
It is connected with support in magnet.The back-shaped support is frame of the rectangular, section in circle or rectangle, and the upper part of frame is left
Right rack beam that is symmetrical, being not connected to closure.Crossbeam screw thread, left and right crossbeam screw thread point are machined with two terminations of rack beam
Each it is not engaged with the bush whorl of a magnetic head, i.e., 2 relative magnetic heads of planar end surface are symmetrical on rack beam.Crossbeam
Screw thread is used for branch sleeve and support, sleeve opposite brackets is moved.And it is machined with two termination crossbeam screw threads
To 2 scales of the equidistant length in termination.Scale is used for measuring set of cylinder displacement so as to obtain magnet distance, and back-shaped support is used for
Support package unit.Two support curb girders connect with rack beam arc transition, and two support curb girders connect with foot-piece.
Frame bottom girder is furnished with back-shaped bracket base, the horizontal base of back-shaped support and back-shaped support lateral strut.
The back-shaped bracket base is a cuboid, and according to the size of the wide a of back-shaped bracket base magnetic is equal to or more than
The diameter of head is divided into each different size.2 support bottoms are machined with the back-shaped bracket base and foot-piece contact surface
The embedding post of beam, the embedding post of foot-piece can be embedded in the groove of foot-piece correspondence processing.The horizontal base of the back-shaped support is 2 squares
Body, is respectively disposed at the underface of two support curb girders after back-shaped support level fell；The horizontal base of back-shaped support is upwards
Surface Machining have the embedding post of lateral strut and the embedding post of bracket base, be able to the groove of embedded back-shaped support lateral strut correspondence processing
In, in the groove of processing corresponding with back-shaped bracket base.The height of the back-shaped support lateral strut and the wide a of back-shaped bracket base
Specification correspond, it is ensured that back-shaped support fell after level.Characterized in that, operating procedure is as follows.
The first step, installs magnetic head；According to the magnetic field size of requirement of experiment, selection a pair of magnetic field intensity is of the same size, end
The contrary magnetic head of head plane magnetic pole；The magnetic head that first one has been chosen is arranged on one rack beam of back-shaped support, is revolved completely
Enter magnetic head to be all inserted on rack beam to the length of hollow sleeve, then another magnetic head chosen is arranged on into back-shaped
On frame another rack beam.Then, while retroversion magnetic head is at " 0 " zero graduation of two scales.Now, two magnetic heads
Transverse plane is tightly affixed and is combined.
Second step, adjustment, according to the size of laboratory sample, and the size of magnetic field requirements, respectively two magnetic heads of knob, make two
Individual magnetic head is drifted apart from, and to after suitable phase spacing, 2 magnetic heads is fixed to into the identical scale of two scales.Record scale is read
Number, looks into the corresponding magnetic field intensity of scale.That is, the leaf sight range that every a pair of magnetic heads of device are separated by, we survey in advance
Magnetic field intensity is measured, form has been depicted as, has been easy to experiment to use.Or in next step, the magnetic field at direct determination sample position is strong
Degree.
3rd step, places sample experiments；According to laboratory sample size, vertical apparatus for placing is selected；Or selection horizontal positioned
Device, matches the specification of back-shaped support lateral strut and the wide a of back-shaped bracket base.Test specimen is put between 2 magnetic heads
In space, according to setting time length, the effect of Observe and measure test specimen.During experiment, can continue to 2 magnetic heads of adjustment it
Between distance, change magnetic field intensity.
In above-mentioned technical proposal, the device for being used, the sleeve spiral shell of symmetrical 2 magnetic heads on the rack beam
Line, its thread pitch is consistent, and precession ultimate range is consistent, and tape measure value is consistent.Ensure that magnetic head precession distance is surveyed with scale
Value is consistent.The back-shaped support is processed by the soft magnet of an entirety, or tight by same soft magnet Precision Machining
Close fit assembles；The hollow sleeve is made up of soft magnet；The magnetic head is according to its magnetic strength or the diameter of magnetic head
Size is divided into different specifications.
The purpose of the present invention is to be placed in parallel the small-sized magnetic field of generation using two pieces of small-sized circular magnets, and by magnet
Both sides add and are marked with the adjustable spiral of size to regulate and control magnet pitch from so as to pass through to regulate and control magnet pitch from realizing to magnetic field
The regulating and controlling effect of intensity.Realize make it is a kind of suitable for laboratory it is small-sized, can small range produce controlling magnetic field field intensity
Magnetic field instrument.
The technology of the present invention feature is easy to operate and has professional.The present invention has following beneficial effect：（1）It is easy to make
Simply, it is with low cost.（2）It is professional higher.（3）By regulating and controlling magnet pitch from can quantitatively realize the tune to magnetic field intensity
Control.
Description of the drawings
Fig. 1 is the schematic front view of the magnetic head unit of the present invention.
Fig. 2 is the left cross-sectional schematic of the magnetic head unit of the present invention.
Fig. 3 is the critical piece schematic front view of the present invention.
Fig. 4 is a kind of vertical schematic front view using assembling of the present invention.
Fig. 5 is a kind of schematic diagram of level using assembling of the present invention.
Fig. 6 is the assembling cross-sectional schematic of the horizontal base of back-shaped support of the present invention.
In figure：1. magnetic head；2. bush whorl；3. hollow sleeve；4. back-shaped support；5. rack beam；6. crossbeam screw thread；7.
Scale；8. support curb girder；9. foot-piece；10. back-shaped bracket base；The horizontal base of 11. back-shaped supports；12. horizontal of back-shaped supports
Post；The embedding post of 13. lateral struts；The embedding post of 14. bracket bases；The embedding post of 15. foot-pieces.
Specific embodiment
Further the present invention is illustrated with reference to the accompanying drawings and examples.
Embodiment one
Referring to figs. 1 to the shape and structure of Fig. 6, a kind of small-sized magnetostatic field experimental provision, magnetic field intensity 0.5T of magnetic head 1,2 magnetic heads
1 circular transverse plane NS is extremely relative, diameter=30mm.The wide a=30mm of back-shaped bracket base 10.The horizontal base 11 of back-shaped support is high
5mm, high 10 mm of back-shaped support lateral strut 12.2 magnetic head spacing range 0.0mm to 50mm.Operating procedure is as follows.
The first step, installs magnetic head.The N poles magnetic head that first one has been chosen is arranged on one rack beam of back-shaped support,
It is fully screwed into magnetic head to be all inserted on rack beam to the length of hollow sleeve, then another the S poles magnetic head chosen is pacified
It is mounted on back-shaped support another rack beam.Then, while retroversion magnetic head is at " 0 " zero graduation of two scales.Now,
The transverse plane of two magnetic heads is tightly affixed, and is pulled together.
Second step, adjusts magnetic field.According to the size of laboratory sample, and the size of magnetic field requirements, two magnetic heads of knob respectively,
Two magnetic heads are drifted apart from, 2 magnetic heads are fixed to into identical scale " 15 " place of two scales, now two magnetic head spacing are
30mm, records rod reading, looks into the corresponding magnetic field intensity of scale.
3rd step, places sample and experiment.Horizontal positioned device, will prevent the 1.5mL for having synthetic material reaction test sample
Centrifuge tube, is put in the 30mm spaces between 2 magnetic heads, stands the 12h times, the effect of metallographic microscope Observe and measure test specimen
Really.Then, 2 magnetic heads are fixed to identical scale " 8 " place of two scales for adjustment, and now two magnetic head spacing are 16mm, are recorded
Rod reading, looks into the corresponding magnetic field intensity of scale.The 16mm for being further continued for that 1.5mL centrifuge tube samples are put between 2 magnetic heads is empty
In gap, the 12h times are stood, observation experiment result.
Embodiment two
Referring to figs. 1 to the shape and structure of Fig. 6, a kind of small-sized magnetostatic field experimental provision, magnetic field intensity 1T of magnetic head 1,2 magnetic heads 1
Circular transverse plane NS is extremely relative, diameter=50mm.The wide a=70mm of back-shaped bracket base 10.The horizontal base 11 of back-shaped support is high
5mm, high 30 mm of back-shaped support lateral strut 12.2 mm of the mm of magnetic head spacing range 0.0 to 150.Horizontal positioned device, operation side
Method in the 20mm spaces between 2 magnetic heads, is put into seeds of flowering plants sample to be germinateed with embodiment one.It is once real per 24h observed and recordeds
Test effect.
Embodiment three
Referring to figs. 1 to the shape and structure of Fig. 6, a kind of small-sized magnetostatic field experimental provision, magnetic field intensity 0.6T of magnetic head 1,2 magnetic heads
1 circular transverse plane NS is extremely relative, diameter=30mm.The wide a=40mm of back-shaped bracket base 10.The horizontal base 11 of back-shaped support is high
5mm, high 15 mm of back-shaped support lateral strut 12.2 magnetic head spacing range 0.0mm to 100mm.Vertical apparatus for placing, method of operating
With embodiment one, in the 60mm spaces between 2 magnetic heads, the tuber of dwarf lilyturf seedling of experiment is put into.Once test per 24h observed and recordeds
Effect.
Claims (2)
1. a kind of using method of small-sized magnetostatic field experimental provision, the device for using is mainly by magnetic head（1）With back-shaped support（4）Group
Into；The magnetic head（1）It is a tubular strong magnet, magnetic head（1）The face circle of cylinder one end, is processed to flat smooth
Plane, magnetic head（1）The processing of the cylinder other end is connected with a concentric hollow sleeve（3）, hollow sleeve（3）Inwall
It is machined with bush whorl（2）；The back-shaped support（4）It is that one rectangular, frame of the section in circle or rectangle, the upper part of frame
It is symmetrical, is not connected to the rack beam of closure（5）, rack beam（5）Two terminations on be machined with crossbeam screw thread（6）,
Left and right crossbeam screw thread（6）Respectively each with a magnetic head（1）Bush whorl（2）It is engaged, i.e. rack beam（5）Upper 2 are put down
The relative magnetic head of end face（1）It is symmetrical；And in two termination crossbeam screw threads（6）Place is machined with 2 to the equidistant length in termination
Individual scale（7）；Two support curb girders（8）With rack beam（5）Arc transition connects, two support curb girders（8）With foot-piece
（9）Connect；Foot-piece（9）It is furnished with back-shaped bracket base（10）, the horizontal base of back-shaped support（11）With back-shaped support lateral strut
（12）；The back-shaped bracket base（10）It is a cuboid, according to back-shaped bracket base（10）The size of wide a be equal to or big
In magnetic head（1）Diameter be divided into each different size；The back-shaped bracket base（10）With foot-piece（9）Add on contact surface
Work has the embedding post of 2 foot-pieces（15）, the embedding post of foot-piece（15）Foot-piece can be embedded in（9）In the groove of correspondence processing；
The horizontal base of the back-shaped support（11）It is 2 cuboids, is respectively disposed on back-shaped support（4）Level fell after two bracket sides
Beam（8）Underface at；The horizontal base of back-shaped support（11）Surface Machining upwards has the embedding post of lateral strut（13）It is embedding with bracket base
Post（14）, it is able to be embedded in back-shaped support lateral strut（12）In the groove of correspondence processing, and back-shaped bracket base（10）Correspondence
In the groove of processing；The back-shaped support lateral strut（12）Height and back-shaped bracket base（10）Wide a a pair of specification 1
Should, it is ensured that back-shaped support（4）Level after falling；Characterized in that, operating procedure is as follows：
The first step, installs magnetic head（1）；According to the magnetic field size of requirement of experiment, selection a pair of magnetic field intensity is of the same size, termination
The contrary magnetic head of planar poles（1）；The magnetic head that first one has been chosen（1）Installed in back-shaped support（4）One rack beam（5）
On, it is fully screwed into magnetic head（1）To hollow sleeve（3）Length be all inserted in rack beam（5）On, then by chosen other one
Individual magnetic head（1）Installed in back-shaped support（4）Another rack beam（5）On；Then, while falling back magnetic head（1）To two marks
Chi（7）" 0 " zero graduation at, now, two magnetic heads（1）Transverse plane be tightly affixed and be combined；
Second step, adjustment；According to the size of laboratory sample, and the size of magnetic field requirements, two magnetic heads of knob respectively（1）, make two
Individual magnetic head（1）It is drifted apart from, to after suitable phase spacing, by 2 magnetic heads（1）It is fixed to the identical scale of two scales；Record
Scale（7）Reading looks into scale（7）Corresponding magnetic field intensity, or the magnetic field intensity in next step, at direct determination sample position；
3rd step, places sample experiments；According to laboratory sample size, vertical apparatus for placing is selected；Or selection horizontal positioned device,
Match back-shaped support lateral strut（12）With back-shaped bracket base（10）Wide a specification；By test specimen, be put into 2 magnetic heads it
Between space in, according to setting time length, the effect of Observe and measure test specimen；During experiment, can continue to adjust 2 magnetic
Head（1）The distance between, change magnetic field intensity.
2. the using method of a kind of small-sized magnetostatic field experimental provision according to claim 1, it is characterised in that：Use dress
Put the rack beam（5）Upper symmetrical 2 magnetic heads（1）Bush whorl（2）, unanimously, precession is maximum for its thread pitch
Distance is consistent, scale（7）Measured value is consistent；The back-shaped support（4）It is to be processed by the soft magnet of an entirety, or by same
A kind of soft magnet Precision Machining is fitted close and assembles；The hollow sleeve（3）It is made up of soft magnet；The magnetic head（1）
According to its magnetic strength or magnetic head（1）Diameter dimension size be divided into different specifications.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000009.6A CN106601098B (en) | 2017-01-01 | 2017-01-01 | A kind of application method of small-sized magnetostatic field experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000009.6A CN106601098B (en) | 2017-01-01 | 2017-01-01 | A kind of application method of small-sized magnetostatic field experimental provision |
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| Publication Number | Publication Date |
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| CN106601098A true CN106601098A (en) | 2017-04-26 |
| CN106601098B CN106601098B (en) | 2018-06-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449714A (en) * | 2017-07-25 | 2017-12-08 | 重庆科技学院 | A kind of application method of dynamic magnetic field experimental provision |
| CN112753054A (en) * | 2018-10-04 | 2021-05-04 | 爱知制钢株式会社 | Magnetic marker system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009005692U1 (en) * | 2009-04-16 | 2009-07-09 | Urban, Andreas, Dr. | Permanent magnet with yoke for generating a strong magnetic field for educational purposes |
| CN204732040U (en) * | 2015-06-28 | 2015-10-28 | 徐晓源 | Magnetic field interaction force demonstration teaching aid |
| CN205122324U (en) * | 2015-10-30 | 2016-03-30 | 黑龙江大学 | Small -size adjustable stationary magnetic field device |
| CN105828593A (en) * | 2016-05-31 | 2016-08-03 | 南京农业大学 | Device capable of realizing magnetic field shielding without changing surrounding magnetic field distribution |
-
2017
- 2017-01-01 CN CN201710000009.6A patent/CN106601098B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009005692U1 (en) * | 2009-04-16 | 2009-07-09 | Urban, Andreas, Dr. | Permanent magnet with yoke for generating a strong magnetic field for educational purposes |
| CN204732040U (en) * | 2015-06-28 | 2015-10-28 | 徐晓源 | Magnetic field interaction force demonstration teaching aid |
| CN205122324U (en) * | 2015-10-30 | 2016-03-30 | 黑龙江大学 | Small -size adjustable stationary magnetic field device |
| CN105828593A (en) * | 2016-05-31 | 2016-08-03 | 南京农业大学 | Device capable of realizing magnetic field shielding without changing surrounding magnetic field distribution |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449714A (en) * | 2017-07-25 | 2017-12-08 | 重庆科技学院 | A kind of application method of dynamic magnetic field experimental provision |
| CN107449714B (en) * | 2017-07-25 | 2023-02-21 | 重庆科技学院 | Application method of dynamic magnetic field experimental device |
| CN112753054A (en) * | 2018-10-04 | 2021-05-04 | 爱知制钢株式会社 | Magnetic marker system |
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| Publication number | Publication date |
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| CN106601098B (en) | 2018-06-12 |
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