CN206451437U - A kind of magentic suspension demonstrating instrument - Google Patents
A kind of magentic suspension demonstrating instrument Download PDFInfo
- Publication number
- CN206451437U CN206451437U CN201621460618.7U CN201621460618U CN206451437U CN 206451437 U CN206451437 U CN 206451437U CN 201621460618 U CN201621460618 U CN 201621460618U CN 206451437 U CN206451437 U CN 206451437U
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- CN
- China
- Prior art keywords
- magnet
- iron core
- screw mandrel
- core block
- regulation screw
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Abstract
The utility model is related to a kind of magentic suspension demonstrating instrument, including instrument object table, support and regulation screw mandrel, frame upper balance is set, its end is provided with threaded shank, threaded shank is connected with regulation screw mandrel top, and the regulation screw mandrel is set straight down, and instrument object table table top is provided with first iron core block, first magnet is cased with the outside of the first iron core block, its top place placed in the middle is provided with support concave point；Regulation screw mandrel lower end is fixed with second iron core block, and second magnet is cased with the outside of the second iron core block；Rotating display compass is provided between first magnet and second magnet, the first magnet is set to homopolarity with the second magnet opposite face magnetic pole；It is provided with rotating display compass upper disk surface in the third magnet, lower card and is provided with fourth magnet, third magnet is set to heteropole with the fourth magnet opposite face magnetic pole；Electro-motor is provided with rotating display compass inside card, the electro-motor is connected with battery and switch.The utility model overcomes self gravitation, makes its simple in construction, reasonable in design, improves demonstrating effect, and demonstration flexibility is good.
Description
Technical field
The utility model is related to electromagnetism instructional technology field, more particularly to a kind of magentic suspension demonstrating instrument.
Background technology
Magentic suspension demonstrating instrument is to realize to suspend object in the air, in physics teaching using the ferromagnetic controllability of electromagnetism
For reflecting electromagnetic principle, Students ' Learning and the interest explored are excited.At present, generally magnetic suspension is used in magnetic suspension teaching demonstration
Tellurion or repulsion type magentic suspension demonstrating instrument are demonstrated, and the former is realized by the attraction of magnet pieces and the balance of gravity
The suspension that permanent magnet or ferromagnetic material are transferred in electromagnet, is suspended in stationary state, and very flexible influences vision, makes to drill
Show that effect is not good；The latter utilizes the magnet array constituted in the permanent magnet and electromagnet being suspended below magnet, produces one
It is adapted to by the magnetic field of suspension magnet stable suspersion, being acted on the repulsion for being suspended magnet and being realized by magnetic field, but due to outstanding
Floating magnetic field magnetic Circuit Design is complicated, and the control difficulty that suspends is big, makes demonstrator structure more complicated.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of simple in construction, reasonable in design, rotatable suspension, spirit
Activity is good, improves the magentic suspension demonstrating instrument of demonstrating effect.
To solve the above problems, a kind of magentic suspension demonstrating instrument described in the utility model, including instrument object table, instrument object table are along side
Locate the support of connection and the regulation screw mandrel of support connection, the frame upper balance is set, and its end is provided with threaded shank, described
Threaded shank is connected by nut with the regulation screw mandrel top, and the regulation screw mandrel is set straight down, it is characterised in that：The instrument
Place is provided with first iron core block between two parties for object table table top, and first iron core block outside is cased with first magnet, and its top place placed in the middle, which is provided with, supports concave point；
The regulation screw mandrel lower end is fixed with second iron core block, and second magnet is cased with the outside of the second iron core block；The first magnet and the second magnetic
Rotating display compass is provided between iron, the first magnet is set to homopolarity with the second magnet opposite face magnetic pole, and upper-lower position is corresponding；
It is provided with the rotating display compass upper disk surface in the third magnet, lower card and is provided with fourth magnet, third magnet is relative with the fourth magnet
Face magnetic pole is set to heteropole；Be provided with electro-motor under the rotating display compass inside card, the electro-motor be connected with battery and
Switch.
The first magnet is set to homopolarity with the fourth magnet opposite face magnetic.
The second magnet is set to heteropole with the third magnet opposite face magnetic.
It is positioned under the rotating display compass illegal state on the support concave point.
It is vertical with the fourth magnet polarities and third magnet polarities that the electro-motor produces polarity of the magnetic field.
The utility model has advantages below compared with prior art：
1st, the utility model is due to setting rotating display compass between first magnet and second magnet, and first magnet, which is played, pushes away work
Play pull-up effect with, second magnet, rotated by electro-motor, make the rotation at a high speed of rotating display compass, be suspended in first magnet with
Second magnet, overcomes self gravitation, makes its simple in construction, reasonable in design, improves demonstrating effect.
2nd, the utility model can conveniently adjust first magnet and second due to the second iron core block connection regulation screw mandrel in second magnet
Magnet distance, makes the flexibility of rotating display compass suspension demonstration good.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is static structure schematic diagram of the present utility model；
Fig. 2 is dynamic structure schematic diagram of the present utility model；
Fig. 3 is rotating display compass structure cut-away view of the present utility model.
In figure：1. instrument object table, 2. supports, 3. threaded shanks, 4. regulation screw mandrels, 5. first iron core blocks, 6. first magnet, 7. supports are recessed
Point, 8. second iron core blocks, 9. second magnet, 10. rotating display compass, 11. third magnet, 12. fourth magnet, 13. electro-motors, 14. electricity
Pond, 15. switches.
Embodiment
As shown in Figure 1, 2, a kind of magentic suspension demonstrating instrument, including instrument object table 1, instrument object table 1 along the support 2 connected at side and
The regulation screw mandrel 4 that support 2 is connected, the top of support 2 balance is set, and its end is provided with threaded shank 3, and threaded shank 3 is by nut with adjusting
The connection of the top of screw mandrel 4 is saved, the regulation screw mandrel 4 is set straight down, place is provided with first iron core block 5, the first iron to the table top of instrument object table 1 between two parties
The outside of pellet 5 is cased with first magnet 6, and its top place placed in the middle is provided with support concave point 7；Regulation screw mandrel 4 lower end is fixed with second iron core block 8,
The outside of second iron core block 8 is cased with second magnet 9；Rotating display compass 10, rotating display sieve are provided between first magnet 6 and second magnet 9
It is positioned under the illegal state of disk 10 on support concave point 7；First magnet 6 is set to homopolarity, and upper-lower position with the opposite face magnetic pole of second magnet 9
It is corresponding；Interior be provided with the third magnet 11, lower card of the upper disk surface of rotating display compass 10 is provided with fourth magnet 12, and third magnet 11 is with being somebody's turn to do
The opposite face magnetic pole of fourth magnet 12 is set to heteropole；First magnet 6 is set to homopolarity with the opposite face magnetic of fourth magnet 12；The magnetic of second magnet 9 and third
The opposite face magnetic of iron 11 is set to heteropole；Electro-motor 13 is provided with inside 10 times cards of rotating display compass, the electro-motor 13 connects
It is connected to battery 14 and switch 15；The polarity of the magnetic field that electro-motor 13 is produced hangs down with the polarity of fourth magnet 12 and the polarity of the third magnet 11 respectively
Directly.
In use, the height of the regulation regulation second iron core of screw mandrel 4 block 8, the second on the outer set respectively of second iron core block 8 and first iron core block 5
Magnet 9 and first magnet 6, make first magnet 6 and the opposite face of second magnet 9 keep homopolar-repulsion effect, rotating display compass 10 are placed on
Concave point 7 is supported, makes fourth magnet 12 keep homopolarity mutually exclusive with the opposite face of first magnet 6, makes the third magnet 11 and the opposite face of second magnet 9
Heteropole is kept to attract each other, when opening switch 15, electro-motor 13 drives rotating display compass 10 to rotate, and velocity of rotation is accelerated
Afterwards, rotating display compass 10 is repelled by first magnet 6 upwards thrust and the downward attraction of second magnet 9, make it overcome itself
Gravity, the rotor for allowing electro-motor 13 to drive is at the dynamic suspension equilibrium point of " upper to inhale ", and rotating display compass 10 hangs
Float between first magnet 6 and second magnet 9, that is, complete demonstration.
Claims (5)
1. a kind of magentic suspension demonstrating instrument, including instrument object table（1）, instrument object table（1）The support connected at along side（2）And support（2）
The regulation screw mandrel of connection（4）, the support（2）Top balance is set, and its end is provided with threaded shank（3）, the threaded shank（3）It is logical
Cross nut and the regulation screw mandrel（4）Top is connected, the regulation screw mandrel（4）Set straight down, it is characterised in that：The instrument body
Platform（1）Place is provided with first iron core block to table top between two parties（5）, the first iron core block（5）Outside is cased with first magnet（6）, its top place placed in the middle is set
There is support concave point（7）；The regulation screw mandrel（4）Lower end is fixed with second iron core block（8）, the second iron core block（8）Outside is cased with second magnetic
Iron（9）；The first magnet（6）With the second magnet（9）Between be provided with rotating display compass（10）, the first magnet（6）With the second
Magnet（9）Opposite face magnetic pole is set to homopolarity, and upper-lower position is corresponding；The rotating display compass（10）Third is provided with upper disk surface
Magnet（11）, lower card is interior to be provided with fourth magnet（12）, third magnet（11）With the fourth magnet（12）Opposite face magnetic pole is set to heteropole；
The rotating display compass（10）Electro-motor is provided with inside lower card（13）, the electro-motor（13）It is connected with battery（14）With
Switch（15）.
2. a kind of magentic suspension demonstrating instrument according to claim 1, it is characterised in that：The first magnet（6）With the fourth magnetic
Iron（12）Opposite face magnetic is set to homopolarity.
3. a kind of magentic suspension demonstrating instrument according to claim 1, it is characterised in that：The second magnet（9）With third magnetic
Iron（11）Opposite face magnetic is set to heteropole.
4. a kind of magentic suspension demonstrating instrument according to claim 1, it is characterised in that：The rotating display compass（10）Forbid
The support concave point is positioned under state（7）On.
5. a kind of magentic suspension demonstrating instrument according to claim 1, it is characterised in that：The electro-motor（13）The magnetic of generation
Polarity respectively with the fourth magnet（12）Polarity and third magnet（11）Polarity is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460618.7U CN206451437U (en) | 2016-12-29 | 2016-12-29 | A kind of magentic suspension demonstrating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460618.7U CN206451437U (en) | 2016-12-29 | 2016-12-29 | A kind of magentic suspension demonstrating instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451437U true CN206451437U (en) | 2017-08-29 |
Family
ID=59674463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460618.7U Expired - Fee Related CN206451437U (en) | 2016-12-29 | 2016-12-29 | A kind of magentic suspension demonstrating instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206451437U (en) |
-
2016
- 2016-12-29 CN CN201621460618.7U patent/CN206451437U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20171229 |