CN219800338U - Magnetic suspension demonstration device - Google Patents
Magnetic suspension demonstration device Download PDFInfo
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- CN219800338U CN219800338U CN202223541516.6U CN202223541516U CN219800338U CN 219800338 U CN219800338 U CN 219800338U CN 202223541516 U CN202223541516 U CN 202223541516U CN 219800338 U CN219800338 U CN 219800338U
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- magnet
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- electromagnet
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- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 230000005484 gravity Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005339 levitation Methods 0.000 claims description 10
- 239000003550 marker Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a magnetic suspension demonstration device which comprises a shell, a moving block, two electromagnets and a magnet column, wherein the shell is vertically arranged and hollow in the interior, the two electromagnets are respectively arranged at two ends of the shell, the moving block is arranged in the shell, the magnet column is vertically arranged in the shell and connected with the moving block, the moving block and the shell are both non-magnetic conduction material components, the shell is a transparent piece or a side wall of the transparent piece is provided with an observation hole for observing the interior, the two electromagnets are used for jointly driving the magnet column to drive the moving block to overcome the gravity of the two electromagnets so as to move up and down in the shell, at the moment, the sum of acting forces applied to the magnet column by the two electromagnets is upward and is larger than the sum of the gravity of the magnet column and the moving block, the magnet column can drive the moving block to move up, and students can observe the movement of the moving block in the shell based on the transparent shell or through the observation hole on the shell.
Description
Technical Field
The utility model belongs to the field of demonstration teaching aids, and particularly relates to a magnetic suspension demonstration device.
Background
Magnetic suspension belongs to important knowledge points in electromagnetic knowledge points in the junior middle and senior high school stages, and the current magnetic suspension technology is used as a relatively advanced technology, so students are required to understand the magnetic suspension technology relatively intuitively, and the current related teaching aids are relatively few, and the document number CN101494004B steel ball magnetic suspension motion experimental device and CN104282207B self-tracking solar magnetic suspension demonstration instrument based on LabVIEW both disclose magnetic suspension demonstration devices, but have the defect that the structure is relatively complex and not intuitive enough, and the magnetic suspension demonstration device is beyond the understanding capability of junior middle school students and senior high school students.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide the magnetic suspension demonstration device which is simple in structure, good in intuitiveness and convenient to understand.
In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a magnetic suspension presentation device, includes casing, movable block, two electro-magnet and magnet post, the vertical setting of casing and its inside cavity, two the electro-magnet is installed respectively the both ends of casing, the movable block is arranged in the casing, just the vertical setting of magnet post is in the casing and with the movable block is connected, movable block and casing are non-magnetic conduction material component, the casing is transparent or has the observation hole of observing its inside on its lateral wall, two the electro-magnet is used for the joint drive magnet post drives the gravity of movable block overcoming two self is in order to reciprocate in the casing.
The beneficial effects of the technical scheme are that: the magnetic force of the two electromagnets can be respectively adjusted by adjusting the current values of the two electromagnets, and the acting force applied to the magnet column by at least one electromagnet is upward, so long as the sum of the acting forces applied to the magnet column by the two electromagnets is upward and is larger than the sum of the gravity of the magnet column and the moving block, the magnet column can drive the moving block to move upward, and students can observe the moving block to move in the shell based on the transparent shell or through the observation hole on the shell.
In the above technical scheme, the magnetic poles of the electromagnet positioned above and the magnetic pole of the end of the magnet column close to each other are the same, and the magnetic poles of the electromagnet positioned below and the magnetic pole of the end of the magnet column close to each other are the same.
The beneficial effects of the technical scheme are that: at this time, the electromagnet positioned above applies downward force to the magnet column, the electromagnet positioned below applies upward force to the magnet column, and the magnet column and the moving block can move upwards only by overcoming the gravity of the magnet column and the moving block and the downward force applied by the electromagnet positioned above under the action of the electromagnet positioned below.
In the above technical solution, the magnetic poles of the electromagnet located above and the magnetic pole of the end of the magnet column close to each other are different, and the magnetic poles of the electromagnet located below and the magnetic pole of the end of the magnet column close to each other are different.
The beneficial effects of the technical scheme are that: at this time, the acting force applied to the magnet column by the electromagnet positioned above is upward, the acting force applied to the magnet column by the electromagnet positioned below is downward, and the magnet column and the moving block can move upward only by overcoming the gravity of the magnet column and the moving block and the downward acting force applied by the electromagnet positioned below under the action of the electromagnet positioned above.
In the above technical scheme, the magnetic poles of the electromagnet positioned above and the magnetic pole of the end of the magnet column close to each other are different, and the magnetic poles of the electromagnet positioned below and the magnetic pole of the end of the magnet column close to each other are the same.
The beneficial effects of the technical scheme are that: at this time, the acting force applied to the magnet column by both electromagnets is upward.
In the technical scheme, the shell is a transparent glass piece or a transparent plastic piece.
The beneficial effects of the technical scheme are that: so the mobile condition of movable block can be convenient observed.
In the above technical scheme, the shell is a wooden piece or a non-transparent plastic piece, and the side wall of the shell is provided with the observation hole.
The beneficial effects of the technical scheme are that: the movement of the moving block can be observed through the observation hole.
In the above technical scheme, the observation hole is in a strip shape, and two ends of the observation hole are close to two ends of the shell.
The beneficial effects of the technical scheme are that: the overall progress of the movement of the moving mass within the housing can thus be observed.
According to the technical scheme, one side of the moving block is convexly provided with the marker post which extends out of the shell through the observation hole, and the marker post is a non-magnetic conduction material component.
The beneficial effects of the technical scheme are that: the movement of the moving mass within the housing can thus be indicated by means of a marker post.
According to the technical scheme, the observation holes and the targets are arranged in a plurality, the observation holes and the targets are in one-to-one correspondence, the observation holes are uniformly distributed on the side wall of the shell at annular intervals, the targets are uniformly distributed on the edge of the moving block at annular intervals, and each target extends out of the shell through the corresponding observation hole.
The beneficial effects of the technical scheme are that: therefore, the observation is more visual, and the movement condition of the marker post can be clearly observed under a plurality of visual angles.
According to the technical scheme, one end of the marker post, which is located outside the shell, is concavely provided with the hanging groove with the notch upwards, and the hanging groove is used for hanging the balancing weight.
The beneficial effects of the technical scheme are that: therefore, the counterweight blocks can be hung at the hanging grooves to increase the weight of the moving blocks.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic levitation demonstrating device according to embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram showing the distribution of the magnetic poles of the two electromagnets and the magnet column in embodiment 1 of the present utility model;
FIG. 3 is a schematic view of the housing and the moving block according to embodiment 2 of the present utility model;
FIG. 4 is a cross-sectional view of the housing, moving block, magnet post and pole of example 2 of the present utility model;
FIG. 5 is another cross-sectional view of the housing, moving block, magnet post and pole of embodiment 2 of the present utility model;
FIG. 6 is a schematic diagram showing the distribution of the magnetic poles of the two electromagnets and the magnet column in embodiment 3 of the present utility model;
fig. 7 is another distribution diagram of the magnetic poles of the two electromagnets and the magnet column in embodiment 3 of the present utility model.
In the figure: 1 a shell, 11 observation holes, 2 a moving block, 21 a marker post, 22 a hanging groove, 3 an electromagnet and 4 a magnet column.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
As shown in fig. 1, this embodiment provides a magnetic levitation demonstrating device, including casing 1, movable block 2, two electromagnets 3 and magnet post 4, casing 1 vertical setting and its inside cavity, two electromagnets 3 are installed respectively the both ends of casing 1, movable block 2 is arranged in casing 1, and magnet post 4 vertical setting is in casing 1 and with movable block 2 is connected, movable block 2 and casing 1 are non-magnetic conduction material component, casing 1 is transparent or has the observation hole 11 of observing its inside on its lateral wall, two electromagnets 3 are used for jointly driving magnet post 4 drive movable block 2 overcomes the gravity of two self in order to reciprocate in casing 1, so the accessible two electromagnets's of current value adjustment adjusts the magnetic force size of two electromagnets respectively, and at least one electromagnet exerts to the effort of magnet post is upward as long as two electromagnets exert to the sum of effort of magnet post upward and be greater than magnet post and movable block can be based on the transparent or the casing of observing that the student can move in the upward direction through observing the casing.
As shown in fig. 2, in the above technical solution, the magnetic poles of the upper electromagnet 3 and the magnetic pole of the magnet post 4 near one end are different, and the magnetic poles of the lower electromagnet 3 and the magnetic pole of the lower electromagnet 4 near one end are the same, and at this time, the acting forces applied to the magnet posts by both electromagnets are upward.
In the above technical solution, the casing 1 is a transparent glass member or a transparent plastic member, so that the movement condition of the moving block can be observed conveniently.
The moving block may be a wooden piece or a plastic piece.
The magnet column is embedded in the inner middle of the moving block, one magnetic pole of the magnet column faces upwards, the other magnetic pole faces downwards, and an annular gap is formed between the edge of the moving block and the inner side wall of the shell, so that friction resistance between the moving block and the inner side wall of the shell is reduced, and meanwhile overturning of the moving block in the shell can be avoided.
Example 2
As shown in fig. 3, the difference is that in the above technical solution, the housing 1 is a wooden piece or a non-transparent plastic piece, and the side wall of the housing is provided with the observation hole 11, so that the movement condition of the moving block can be observed through the observation hole, wherein the observation hole 11 is in a strip shape, and two ends of the observation hole 11 are close to two ends of the housing 1, so that the whole movement process of the moving block in the housing can be observed.
As shown in fig. 4 and fig. 5, in the above technical solution, a post 21 (the post is consistent with the material of the moving block) extending out of the casing 1 through the observation hole 11 is protruding on one side of the moving block 2, and the post 21 is a non-magnetic material member, so that the moving situation of the moving block in the casing can be indicated by the post, wherein the observation hole 11 and the post 21 are all provided with a plurality of observation holes 11 and a plurality of posts 21 in one-to-one correspondence, the observation holes 11 are uniformly distributed on the side wall of the casing 1 at annular intervals, the posts 21 are uniformly distributed at the edge of the moving block 2 at annular intervals, and each post 21 extends out of the casing 1 through the corresponding observation hole 11, so that the observation is more visual, and the movement situation of the post can be clearly observed under a plurality of view angles can be satisfied (preferably, the observation holes are provided with 2-4).
In the above technical solution, the end of the marker post 21 outside the housing 1 is concavely provided with a hanging groove 22 with an upward notch, and the hanging groove 22 is used for hanging the counterweight, so that the counterweight can be hung at the hanging groove to increase the weight of the moving block.
The balancing weight should also be made of non-magnetic materials, such as glass beads with hanging ropes (rings), so as to simulate that under the condition of increasing gravity, the current value of the electromagnet is required to be higher, and the electromagnetic acting force of the electromagnet is improved.
Example 3
As shown in fig. 7, the difference is that in the above technical solution, the magnetic poles of the electromagnet 3 located above and the magnetic pole 4 close to each other are the same, and the magnetic poles of the electromagnet 3 located below and the magnetic pole 4 close to each other are the same, at this time, the electromagnet located above applies a downward force to the magnetic pole, and the electromagnet located below applies an upward force to the magnetic pole, so that the magnetic pole and the moving block can move upward only by overcoming the gravity of the magnetic pole and the moving block and applying a downward force to the electromagnet located above under the action of the electromagnet located below; or as shown in fig. 6, the magnetic poles of the electromagnet 3 located above and the magnetic pole 4 near one end are different, and the magnetic poles of the electromagnet 3 located below and the magnetic pole 4 near one end are different, at this time, the acting force applied to the magnetic pole by the electromagnet located above is upward, the acting force applied to the magnetic pole by the electromagnet located below is downward, and the magnetic pole and the moving block can move upward only by overcoming the gravity of the magnetic pole and the moving block and the downward acting force applied by the electromagnet located below under the action of the electromagnet located above.
The electromagnet providing the upward force to the magnet post is used for providing driving force, the other electromagnet provides downward resistance, the acting forces of the two electromagnets are opposite, and the electromagnet providing the downward resistance can simulate the gravity increasing of the magnet post to require higher current for the electromagnet providing the driving force, so that the upward driving force applied to the magnet post is increased.
Wherein arrows in fig. 2, 6 and 7 indicate the magnetic force direction applied to the magnet column by the corresponding electromagnet.
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
Claims (10)
1. The utility model provides a magnetic suspension presentation device, its characterized in that, includes casing (1), movable block (2), two electro-magnet (3) and magnet post (4), casing (1) vertical setting and its inside cavity, two electro-magnet (3) are installed respectively the both ends of casing (1), movable block (2) are arranged in casing (1), just magnet post (4) vertical setting is in casing (1) and with movable block (2) are connected, movable block (2) and casing (1) are non-magnetic conduction material component, casing (1) are transparent piece or have on its lateral wall observe inside observation hole (11), two electro-magnet (3) are used for the joint drive magnet post (4) drive movable block (2) overcome the gravity of two self in order to reciprocate in casing (1).
2. A magnetic levitation demonstration device according to claim 1, wherein the magnetic poles of the electromagnet (3) and the magnet column (4) located above are the same, and the magnetic poles of the electromagnet (3) and the magnet column (4) located below are the same.
3. A magnetic levitation demonstration device according to claim 1, wherein the electromagnet (3) located above and the magnet column (4) are different in magnetic pole at one end thereof, and the electromagnet (3) located below and the magnet column (4) are different in magnetic pole at one end thereof.
4. A magnetic levitation demonstration device according to claim 1, wherein the electromagnet (3) located above and the magnet column (4) have different magnetic poles at the end close to each other, and the electromagnet (3) located below and the magnet column (4) have the same magnetic pole at the end close to each other.
5. A magnetic levitation demonstration device according to any of claims 1-4 characterized in that the housing (1) is a transparent glass piece or a transparent plastic piece.
6. A magnetic levitation demonstration device according to any of claims 1-4, characterized in that the housing (1) is a wooden piece or a non-transparent plastic piece and the side wall of the housing is provided with the observation hole (11).
7. The magnetic levitation demonstration device according to claim 6, wherein the observation hole (11) is in a bar shape, and both ends of the observation hole (11) are close to both ends of the housing (1).
8. The magnetic levitation demonstration device according to claim 7, wherein a post (21) protruding out of the housing (1) through the observation hole (11) is protruding on one side of the moving block (2), and the post (21) is a non-magnetic conductive material member.
9. The magnetic suspension demonstration device according to claim 8, wherein a plurality of observation holes (11) and targets (21) are respectively arranged, the plurality of observation holes (11) and the plurality of targets (21) are in one-to-one correspondence, the plurality of observation holes (11) are uniformly distributed on the side wall of the shell (1) at annular intervals, the plurality of targets (21) are uniformly distributed on the edge of the moving block (2) at annular intervals, and each target (21) extends out of the shell (1) through the corresponding observation hole (11).
10. The magnetic levitation demonstration device according to claim 9, wherein a hanging groove (22) with an upward notch is concavely arranged at one end of the marker post (21) positioned outside the shell (1), and the hanging groove (22) is used for hanging a balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223541516.6U CN219800338U (en) | 2022-12-29 | 2022-12-29 | Magnetic suspension demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223541516.6U CN219800338U (en) | 2022-12-29 | 2022-12-29 | Magnetic suspension demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800338U true CN219800338U (en) | 2023-10-03 |
Family
ID=88157055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223541516.6U Active CN219800338U (en) | 2022-12-29 | 2022-12-29 | Magnetic suspension demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800338U (en) |
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2022
- 2022-12-29 CN CN202223541516.6U patent/CN219800338U/en active Active
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