CN214796436U - Electromagnetic induction phenomenon demonstration instrument - Google Patents
Electromagnetic induction phenomenon demonstration instrument Download PDFInfo
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- CN214796436U CN214796436U CN202121048239.8U CN202121048239U CN214796436U CN 214796436 U CN214796436 U CN 214796436U CN 202121048239 U CN202121048239 U CN 202121048239U CN 214796436 U CN214796436 U CN 214796436U
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- electromagnetic induction
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Abstract
The utility model relates to an electromagnetic induction phenomenon demonstration appearance belongs to teaching instrument technical field. Electromagnetic induction phenomenon demonstration appearance, the on-line screen storage device comprises a base, the fixed support that is equipped with on the base, from up stacking gradually down being equipped with copper pipe, first organic pipe, coil, second organic pipe and aluminum pipe on the support, the opening part at the top of aluminum pipe is equipped with the detection piece that is used for demonstrating the electromagnetic induction phenomenon, be equipped with on the base and be used for catching detect the piece connect the thing groove, connect the thing groove in the vertical below of copper pipe, be equipped with current detection device on the support, current detection device with the coil electricity is connected. Has the advantages that: the electromagnetic induction and the electromagnetic damping phenomenon are demonstrated, and students can be well helped to observe and understand the relevant knowledge of the electromagnetic induction and the electromagnetic damping.
Description
Technical Field
The utility model belongs to the technical field of teaching instrument, concretely relates to electromagnetic induction phenomenon demonstration appearance.
Background
When the magnetic flux changes through the area enclosed by a closed loop, there will be a current flow in the loop, a phenomenon known as electromagnetic induction. The current generated in the loop is called the induced current. The electromotive force in the circuit due to the change in the magnetic flux is called induced electromotive force.
When a large metal block is in a changing magnetic field or moves relative to the magnetic field, an induced current is generated in the metal block, the induced current is called eddy current, the eddy current is called eddy current for short, the electromagnetic damping phenomenon is a mechanical effect generated by the eddy current, and the electromagnetic damping effect of the eddy current is an effect of resisting relative movement. The existing electromagnetic induction phenomenon demonstration instruments are mostly two types: the other is to make the magnet block pass through a copper pipe or an aluminum pipe to generate an electromagnetic damping phenomenon.
Therefore, an electromagnetic induction phenomenon demonstration instrument is provided to solve the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem and provide electromagnetic induction phenomenon demonstration appearance, demonstrated electromagnetic induction and electromagnetic damping phenomenon, help student that can be fine observes understanding electromagnetic induction and electromagnetic damping's relevant knowledge.
The utility model provides an above-mentioned technical problem's technical scheme as follows: this electromagnetic induction phenomenon demonstration appearance includes the base, the fixed support that is equipped with on the base, from up stacking gradually down being equipped with copper pipe, first organic tube, coil, second organic tube and aluminum pipe on the support, the opening part at the top of aluminum pipe is equipped with the detection piece that is used for demonstrating the electromagnetic induction phenomenon, be equipped with on the base and be used for catching detect the piece connect the thing groove, connect the thing groove in the vertical below of copper pipe, be equipped with current detection device on the support, current detection device with the coil electricity is connected.
Has the advantages that: the electromagnetic induction and the electromagnetic damping phenomenon are demonstrated, and students can be well helped to observe and understand the relevant knowledge of the electromagnetic induction and the electromagnetic damping.
Further, the current detection device is an LED lamp.
The beneficial effect of adopting the further scheme is that: when the magnetic flux in the coil changes, induced current is generated to cause the LED lamp to be on, and the observation effect is good.
Further, the current detection device is a galvanometer.
The beneficial effect of adopting the further scheme is that: when the magnetic flux in the coil changes, induced current is generated to cause the deflection of the galvanometer, so that the sensitivity is high and the observation is convenient.
Further, the copper tube, the first organic tube, the coil, the second organic tube and the aluminum tube are connected with each other through a connecting sleeve.
The beneficial effect of adopting the further scheme is that: the connection is tight, and the assembly and the disassembly are convenient.
Further, the detection block is a cylindrical magnet block.
The beneficial effect of adopting the further scheme is that: simple structure and easy acquisition.
Furthermore, a sucker for sucking the desktop is arranged on the bottom surface of the base.
The beneficial effect of adopting the further scheme is that: the fixing effect is good, the installation and the disassembly are convenient, and the working efficiency is improved.
Further, the support is clamped with the copper pipe, the first organic pipe, the coil, the second organic pipe and the aluminum pipe.
The beneficial effect of adopting the further scheme is that: the fixing effect is good, and the installation and the disassembly are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a copper pipe; 2. a first organic tube; 3. a coil; 4. a second organic tube; 5. an aluminum tube; 6. an opening; 7. a base; 8. a support; 9. a connecting sleeve; 10. an object receiving groove; 11. a current detection device; 12. and a magnet block.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1, this embodiment provides electromagnetic induction phenomenon demonstration appearance, including base 7, the fixed support 8 that is equipped with on base 7, from up stacking gradually copper pipe 1, first organic pipe 2, coil 3, second organic pipe 4 and aluminum pipe 5 down on the support 8, opening 6 department at the top of aluminum pipe 5 is equipped with the detection piece that is used for demonstrating electromagnetic induction phenomenon, be equipped with on base 7 and be used for catching connect the thing groove 10 that connects of detecting the piece, connect thing groove 10 to be located the vertical below of copper pipe 1, be equipped with current detection device 11 on the support 8, current detection device 11 can select for use LED lamp or galvanometer, all is convenient for observe, and the effect is obvious, current detection device 11 with coil 3 electricity is connected.
By comparing the movement time of the magnet block 12 in the copper pipe 1, the first organic pipe 2, the coil 3, the second organic pipe 4 and the aluminum pipe 5, the principle of electromagnetic induction of the electromagnetic damping phenomenon and the mechanism of eddy current generation can be intuitively, vividly and interestingly understood.
Example 2
As shown in fig. 1, this embodiment provides electromagnetic induction phenomenon demonstration appearance, including base 7, the fixed support 8 that is equipped with on base 7, from up stacking gradually copper pipe 1, first organic pipe 2, coil 3, second organic pipe 4 and aluminum pipe 5 down on the support 8, opening 6 department at the top of aluminum pipe 5 is equipped with the detection piece that is used for demonstrating electromagnetic induction phenomenon, detects the piece and is cylinder type magnet piece 12, and the shape of course is undefined, be equipped with on base 7 and be used for catching detect the piece connect thing groove 10, connect thing groove 10 to be located the vertical below of copper pipe 1, be equipped with current detection device 11 on the support 8, current detection device 11 can select LED lamp or galvanometer for use, all is convenient for observe, and the effect is obvious, current detection device 11 with coil 3 electricity is connected.
By comparing the movement time of the magnet block 12 in the copper pipe 1, the first organic pipe 2, the coil 3, the second organic pipe 4 and the aluminum pipe 5, the principle of electromagnetic induction of the electromagnetic damping phenomenon and the mechanism of eddy current generation can be intuitively, vividly and interestingly understood.
Preferably, in this embodiment, the copper tube 1, the first organic tube 2, the coil 3, the second organic tube 4 and the aluminum tube 5 are all connected by a joint sleeve 9, so that the assembly and disassembly are convenient, and the time is saved.
Preferably, in this embodiment, the bottom surface of the base 7 is provided with a suction cup for sucking the table top.
Preferably, in this embodiment, the support 8 is clamped to the copper pipe 1, the first organic pipe 2, the coil 3, the second organic pipe 4, and the aluminum pipe 5, and a U-shaped clamping groove for clamping each component in a matching manner is formed in the specific support 8.
The operation mode is as follows:
Throughout the experiment, it was observed that the magnet block 12 took less time to pass through the coil 3, the first organic tube 2 and the second organic tube 4, and more time to pass through the aluminum tube 1 and the copper tube 5.
In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An electromagnetic induction phenomenon demonstration instrument, characterized by comprising:
base (7), fixed support (8) of being equipped with on base (7), up from up stacking gradually copper pipe (1), first organic pipe (2), coil (3), second organic pipe (4) and aluminum pipe (5) down on support (8), opening (6) department at the top of aluminum pipe (5) is equipped with the detection piece that is used for demonstrating the electromagnetic induction phenomenon, be equipped with on base (7) and be used for catching connect thing groove (10) of detecting the piece, connect thing groove (10) to be located the vertical below of copper pipe (1), be equipped with current detection device (11) on support (8), current detection device (11) with coil (3) electricity is connected.
2. The electromagnetic induction phenomenon demonstration instrument according to claim 1, wherein said current detection means (11) is an LED lamp.
3. The electromagnetic induction phenomenon demonstration instrument according to claim 1, wherein said current detection means (11) is a galvanometer.
4. The electromagnetic induction phenomenon demonstration instrument according to claim 1, wherein said copper tube (1), said first organic tube (2), said coil (3), said second organic tube (4) and said aluminum tube (5) are connected to each other by means of a coupling sleeve (9).
5. The electromagnetic induction phenomenon demonstration instrument as claimed in any one of claims 1 to 4, wherein said detection block is a cylindrical magnet block (12).
6. The electromagnetic induction phenomenon demonstration instrument according to any one of claims 1 to 4, wherein a suction cup for sucking a table top is provided on the bottom surface of the base (7).
7. The electromagnetic induction phenomenon demonstration instrument according to any one of claims 1 to 4, wherein the brackets (8) are all clamped with the copper tube (1), the first organic tube (2), the coil (3), the second organic tube (4) and the aluminum tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121048239.8U CN214796436U (en) | 2021-05-14 | 2021-05-14 | Electromagnetic induction phenomenon demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121048239.8U CN214796436U (en) | 2021-05-14 | 2021-05-14 | Electromagnetic induction phenomenon demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796436U true CN214796436U (en) | 2021-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121048239.8U Active CN214796436U (en) | 2021-05-14 | 2021-05-14 | Electromagnetic induction phenomenon demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214796436U (en) |
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2021
- 2021-05-14 CN CN202121048239.8U patent/CN214796436U/en active Active
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