CN209232239U - A kind of electromagnetic induction experiment instrument - Google Patents
A kind of electromagnetic induction experiment instrument Download PDFInfo
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- CN209232239U CN209232239U CN201821629147.7U CN201821629147U CN209232239U CN 209232239 U CN209232239 U CN 209232239U CN 201821629147 U CN201821629147 U CN 201821629147U CN 209232239 U CN209232239 U CN 209232239U
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Abstract
The utility model provides a kind of electromagnetic induction experiment instrument, including bottom plate and sensing device, the upper surface of the bottom plate is provided with iron plate, the upper surface of the iron plate is fixedly installed with light bulb, battery, support rod one and support rod two, the iron plate is at the position between support rod one and support rod two and is placed with magnet, the top of the support rod one is fixedly installed with fixed disk one, the side of the fixed disk one is equipped with motor by bolt, the center position of the fixed disk one is equipped with bearing, one end of rotating bar one passes through bearing and is mounted on the output shaft of motor, the rotating bar one forms a fixed connection with bearing, the sensing device includes fixed device and coil wheel, the fixed device includes inside casing and outline border, rectangular through-hole is offered on front side of the outline border, the electromagnetic induction experiment Instrument Design is reasonable, make With conveniently, demonstrating effect is intuitive, vdiverse in function.
Description
Technical field
The utility model relates to physical experiment apparatus technical field, specially a kind of electromagnetic induction experiment instrument.
Background technique
Electromagnetic induction is phenomenon common in daily, and many electronic products are all that electromagnetic induction principle is utilized to realize
, and electromagnetic induction is that rudimentary knowledge important in Physics Learning needs to make in order to allow student to better understand and remember
Electromagnetic induction phenomenon is demonstrated with laboratory apparatus, still, present electromagnetic induction experiment apparatus structure is often relatively simple,
Complicated operation, and can only demonstrate influence of one or two kinds of factors to induced electromotive force, and function is relatively simple, and effect is not
Intuitively, be unfavorable for the understanding and study of student, and can not relationship between secondary presentation voltage, electric current and resistance, for this purpose,
The utility model provides a kind of electromagnetic induction experiment instrument.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of electromagnetic induction experiment instrument, with solution
Certainly the problems mentioned above in the background art, the utility model is designed reasonably is easy to use, and demonstrating effect is intuitive, vdiverse in function.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of electromagnetic induction is real
Instrument, including bottom plate and sensing device are tested, the upper surface of the bottom plate is provided with iron plate, and the upper surface of the iron plate is fixedly mounted
There are light bulb, battery, support rod one and support rod two, the iron plate is at the position between support rod one and support rod two and puts
It is equipped with magnet, the top of the support rod one is fixedly installed with fixed disk one, and the side of the fixed disk one is installed by bolt
There is motor, the center position of the fixed disk one is equipped with bearing, and one end of rotating bar one is mounted on electronic across bearing
On the output shaft of machine, the rotating bar one forms a fixed connection with bearing, and the sensing device includes fixing device and coil wheel,
The fixed device includes inside casing and outline border, and rectangular through-hole is offered on front side of the outline border, and one end of the inside casing is mounted on
In rectangular through-hole on outline border, it is provided with convex sliding block on the lateral wall of the inside casing, is offered on the inner sidewall of the outline border
Convex sliding slot, the convex sliding block are mounted in convex sliding slot, pass through spring between one end of the inside casing and one end of outline border
It connects, is provided with electrode hole one on the inner sidewall on rear side of the inside casing, coil is wound on the coil wheel, the coil wheel
Front side is provided with electrode hole two, and electrode column one is provided on rear side of the coil wheel, is arranged on the inner sidewall on front side of the outline border
There is electrode column two, the coil wheel is mounted in inside casing, and the electrode column one on the coil wheel is mounted in electrode hole one, described
Electrode column two on outline border is mounted in the electrode hole two on front side of coil wheel, and the quantity of fixed block is 2, the two sides of the outline border
With offer screw hole on fixed block, two fixed blocks pass through the outline border that is fitted to of screw hole and fixing bolt respectively
Two sides, the other end of the rotating bar one and the fixed block of outline border side form a fixed connection, the fixation of the outline border other side
It is fixedly connected with rotating bar two on block, the top of the support rod two is fixedly installed with fixed disk two, in the fixed disk two
Convex groove is offered at heart position, rotating disc is provided in the convex groove, and one end of the rotating bar two passes through convex
The open end of groove simultaneously forms a fixed connection with the center position of rotating disc, offers 2 on the inner sidewall of the convex groove
A annular electrode slot is separately installed with annular electro pole piece one and annular electro pole piece on the inner sidewall of two annular electrode slots
Two, electrode slide plate one and electrode slide plate two, the rotation are installed at position corresponding with annular electrode slot on the rotating disc
Wiring pile one and wiring pile two are installed on bar two.
As a kind of preferred embodiment of the utility model, the quantity of the spring is 4.
As a kind of preferred embodiment of the utility model, motor switch, the storage are provided on the motor
Battery, motor switch and motor form the operating circuit of motor after connecting by electric wire.
As a kind of preferred embodiment of the utility model, the both ends of the coil respectively with electrode hole two and electrode column
One connection, the electrode hole one are connect by electric wire with wiring pile one, and the electrode column two is connect by electric wire with wiring pile two,
The wiring pile one and wiring pile two are connect by electric wire with electrode slide plate one and electrode slide plate two respectively.
As a kind of preferred embodiment of the utility model, the electrode slide plate one and electrode slide plate two respectively with annular
Electrode slice one and annular electro pole piece two contact, and the annular electro pole piece one and annular electro pole piece two pass through electric wire and light bulb respectively
Anode is connected with cathode.
As a kind of preferred embodiment of the utility model, the quantity of the screw hole on the outline border is 11, every two
The distance between described screw hole center is equal to the half of coil wheel thickness.
The utility model has the beneficial effects that a kind of exemplary electromagnetic induction experiment instrument of the utility model, including bottom plate, sense
Answer device, iron plate, light bulb, magnet, battery, support rod one, support rod two, fixed disk one, motor, bearing, rotating bar one,
Fixed device, coil wheel, inside casing, outline border, rectangular through-hole, spring, screw hole, electrode hole one, coil, electrode hole two, electrode column one,
Fixing bolt, fixed disk two, rotating bar two, rotating disc, annular electrode slot, annular electro pole piece one, annular electro pole piece two, electrode are sliding
Piece one, electrode slide plate two, wiring pile one, wiring pile two, convex sliding block, convex sliding slot and fixed block.
1. this electromagnetic induction experiment instrument can demonstrate respectively the number of turns of coil, the line footpath of coil, coil revolving speed and magnetic
Influence of the intensity and direction of field to induced electromotive force, clear and intuitive can be shown effect by light bulb, operation letter
It is single, it is vdiverse in function, and can also relationship between secondary presentation voltage, electric current and resistance.
2. the sensing device of this electromagnetic induction experiment instrument can very easily install multiple coil wheels, and inside casing with
Effectively coil wheel can be made to fix by spring tension between outline border, avoid it from falling, the position of magnet can be on iron plate
Mobile, to achieve the purpose that change, magnetic field is slight and direction.
3. the sensing device of this electromagnetic induction experiment instrument after adding or reducing coil wheel, is able to carry out center of gravity adjusting,
It is smoothly rotated to make sensing device be able to maintain, keeps the induced current generated more stable, avoid demonstrating effect by shadow
It rings, and since the distance between screw hole center is equal to the half of coil wheel thickness, one coil wheel of addition or reduction is only
It needs fixed block toward the mobile screw hole in corresponding direction, it is easy to adjust.
4. the electromagnetic induction experiment Instrument Design is reasonable, easy to use, demonstrating effect is intuitive, vdiverse in function.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electromagnetic induction experiment instrument of the utility model；
Fig. 2 is a kind of sensing device of electromagnetic induction experiment instrument of the utility model and one connection schematic diagram of rotating bar；
Fig. 3 is a kind of sensing device structural schematic diagram of electromagnetic induction experiment instrument of the utility model；
Fig. 4 is a kind of fixture structure schematic diagram of electromagnetic induction experiment instrument of the utility model；
Fig. 5 is a kind of coil wheel structural schematic diagram of electromagnetic induction experiment instrument of the utility model；
Fig. 6 is a kind of coil wheel main view of electromagnetic induction experiment instrument of the utility model；
Fig. 7 is a kind of rotating bar two of electromagnetic induction experiment instrument of the utility model and two connection schematic diagram of fixed disk；
Fig. 8 is a kind of rotating disc of electromagnetic induction experiment instrument of the utility model and two connection schematic diagram of fixed disk；
Fig. 9 is a kind of inside casing of electromagnetic induction experiment instrument of the utility model and outline border connection schematic diagram；
In figure: 1- bottom plate, 2- sensing device, 3- iron plate, 4- light bulb, 5- magnet, 6- battery, 7- support rod one, 8- branch
The fixed device of strut two, 9- fixed disk one, 10- motor, 11- bearing, 12- rotating bar one, 13-, 14- coil wheel, in 15-
Frame, 16- outline border, 17- rectangular through-hole, 18- spring, 19- screw hole, 20- electrode hole one, 21- coil, 22- electrode hole two, 23- electricity
Pole one, 24- fixing bolt, 25- fixed disk two, 26- rotating bar two, 27- rotating disc, 28- annular electrode slot, 29- annular electro
Pole piece one, 30- annular electro pole piece two, 31- electrode slide plate one, 32- electrode slide plate two, 33- wiring pile one, 34- wiring pile two,
35- convex sliding block, 36- convex sliding slot, 37- fixed block.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1 to Fig. 9 is please referred to, the utility model provides a kind of technical solution: a kind of electromagnetic induction experiment instrument, including bottom
Plate 1 and sensing device 2, the upper surface of the bottom plate 1 are provided with iron plate 3, the upper surface of the iron plate 3 be fixedly installed with light bulb 4,
Battery 6, support rod 1 and support rod 28, the iron plate 3 are at the position between support rod 1 and support rod 28 and put
It is equipped with magnet 5, the top of the support rod 1 is fixedly installed with fixed disk 1, and the side of the fixed disk 1 passes through bolt
Motor 10 is installed, the center position of the fixed disk 1 is equipped with bearing 11, and one end of rotating bar 1 passes through bearing
11 are mounted on the output shaft of motor 10, and the rotating bar 1 forms a fixed connection with bearing 11, and the sensing device 2 wraps
Fixed device 13 and coil wheel 14 are included, the fixed device 13 includes inside casing 15 and outline border 16, and the front side of the outline border 16 opens up
There is rectangular through-hole 17, one end of the inside casing 15 is mounted in the rectangular through-hole 17 on outline border 16, the lateral wall of the inside casing 15
On be provided with convex sliding block 35, convex sliding slot 36 is offered on the inner sidewall of the outline border 16, the convex sliding block 35 is mounted on
It in convex sliding slot 36, is connected between one end of the inside casing 15 and one end of outline border 16 by spring 18,15 rear side of inside casing
Inner sidewall on be provided with electrode hole 1, be wound with coil 21 on the coil wheel 14, the front side setting of the coil wheel 14
There is electrode hole 2 22, the rear side of the coil wheel 14 is provided with electrode column 1, is arranged on the inner sidewall of 16 front side of outline border
There is electrode column two, the coil wheel 14 is mounted in inside casing 15, and the electrode column 1 on the coil wheel 14 is mounted on electrode hole
In one 20, the electrode column two on the outline border 16 is mounted in the electrode hole 2 22 of 14 front side of coil wheel, the quantity of fixed block 37
It is 2, offers screw hole 19 on the two sides of the outline border 16 and fixed block 37, two fixed blocks 37 pass through screw hole respectively
With the two sides for being fitted to outline border 16 of fixing bolt 24, the other end of the rotating bar 1 and the fixation of 16 side of outline border
Block 37 forms a fixed connection, and is fixedly connected with rotating bar 2 26, the support rod on the fixed block 37 of 16 other side of outline border
28 top is fixedly installed with fixed disk 2 25, and the center position of the fixed disk 2 25 offers convex groove, described convex
Be provided with rotating disc 27 in type groove, one end of the rotating bar 2 26 pass through the open end of convex groove and with rotating disc 27
Center position forms a fixed connection, and 2 annular electrode slots 28, two rings are offered on the inner sidewall of the convex groove
Be separately installed with annular electro pole piece 1 and annular electro pole piece 2 30 on the inner sidewall of shape slot electrode 28, on the rotating disc 27 with
Electrode slide plate 1 and electrode slide plate 2 32 are installed at the corresponding position of annular electrode slot 28, installed in the rotating bar 2 26
There are wiring pile 1 and wiring pile 2 34.
As a kind of preferred embodiment of the utility model, the quantity of the spring 18 is 4.
As a kind of preferred embodiment of the utility model, and the motor (motor switch is provided on 0, it is described
Battery 6, motor switch and motor 10 form the operating circuit of motor 10 after connecting by electric wire.
As a kind of preferred embodiment of the utility model, the both ends of the coil 21 respectively with electrode hole 2 22 and electricity
Pole 1 connects, and the electrode hole 1 is connect by electric wire with wiring pile 1, and the electrode column two passes through electric wire and connects
Line stake 2 34 connects, and the wiring pile 1 and wiring pile 2 34 pass through electric wire and electrode slide plate 1 and electrode slide plate two respectively
32 connections.
As a kind of preferred embodiment of the utility model, the electrode slide plate 1 and electrode slide plate 2 32 respectively with
Annular electro pole piece 1 and annular electro pole piece 2 30 contact, and the annular electro pole piece 1 and annular electro pole piece 2 30 pass through respectively
Electric wire is connect with the anode and cathode of light bulb 4.
As a kind of preferred embodiment of the utility model, the quantity of the screw hole 19 on the outline border 16 is 11, often
The distance between two described 19 centers of screw hole are equal to the half of 14 thickness of coil wheel.
Working principle: when using this electromagnetic induction experiment instrument, this electromagnetic induction experiment instrument is placed on suitably
Motor switch is opened in position, and battery 6 is that motor 10 provides electric energy, and motor 10 is answered by one 12 dynamic of rotating bar
Device 2 rotates, so that the coil 21 on coil wheel 14 be made to do the magnetic induction line movement of septum magnet 5, coil 21 is interior to generate induced electricity
Stream, when electric current flows through light bulb 4, light bulb 4 is lighted, and the power of induced electromotive force is judged by observing the brightness of light bulb 4, by changing
The quantity of type transformer coil wheel 14 demonstrates influence of 21 the number of turns of coil to induced electromotive force, when change, will fixed device 13 outline border
16 and inside casing 15 pull open, add or reduce the coil wheel 14 of respective numbers, when added, make addition coil wheel 14 on electrode
Column 1 is mounted in the electrode hole 2 22 on original coil wheel 14, then unclamps outline border 16 and inside casing 15, the drawing of spring 18
Power is combined outline border 16 and inside casing 15, and the electrode column two on outline border 16 enters in the electrode hole 2 22 of 14 front side of coil wheel,
Then center of gravity adjusting is carried out, since the distance between 19 center of screw hole is equal to the half of 14 thickness of coil wheel, adds and adds deduct
Lack a coil wheel 14 only to need fixed block 37 moving a screw hole 19, easy to adjust, center of gravity tune toward corresponding direction
Energy conservation rotates the holding of sensing device 2 smoothly, keeps the induced current generated more stable, avoids demonstrating effect by shadow
It rings, has the line footpath (resistance) of the demonstration coil 21 of coil wheel 14 of different line footpath coils 21 to the shadow of induced electromotive force by installing
It rings, changes the revolving speed of motor 10, by the resistance for different resistance values of connecting between motor 10 and battery 6 to demonstrate coil
21 revolving speeds are to the influence to induced electromotive force, and the brightness of light bulb 4 changes the change that can embody 10 revolving speed of motor, revolving speed
Change can embody the influence of resistance versus current and voltage, magnetic field strength and magnetic strength are changed by the position of moving magnet 5
Line direction, thus the influence of the intensity of magnetic field demonstration and direction to induced electromotive force, this electromagnetic induction experiment instrument can be distinguished
The number of turns of coil 21, the line footpath of coil 21, the revolving speed of coil 21 and the intensity in magnetic field and direction are demonstrated to the shadow of induced electromotive force
It rings, clear and intuitive can be shown effect by light bulb 4, it is easy to operate, it is vdiverse in function, and can also secondary presentation
Relationship between voltage, electric current and resistance.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of electromagnetic induction experiment instrument, including bottom plate (1) and sensing device (2), which is characterized in that the bottom plate (1)
Upper surface is provided with iron plate (3), and the upper surface of the iron plate (3) is fixedly installed with light bulb (4), battery (6), support rod one
(7) it is at the position between support rod one (7) and support rod two (8) with support rod two (8), the iron plate (3) and is placed with magnetic
Iron (5) is fixedly installed with fixed disk one (9) at the top of the support rod one (7), and the side of the fixed disk one (9) passes through spiral shell
Bolt is equipped with motor (10), and the center position of the fixed disk one (9) is equipped with bearing (11), and the one of rotating bar one (12)
End is mounted on the output shaft of motor (10) across bearing (11), and the rotating bar one (12) and bearing (11) form fixed connect
Connect, the sensing device (2) includes fixed device (13) and coil wheel (14), the fixed device (13) include inside casing (15) and
Outline border (16) offers rectangular through-hole (17) on front side of the outline border (16), and one end of the inside casing (15) is mounted on outline border
(16) it in the rectangular through-hole (17) on, is provided with convex sliding block (35) on the lateral wall of the inside casing (15), the outline border (16)
Inner sidewall on offer convex sliding slot (36), the convex sliding block (35) is mounted in convex sliding slot (36), the inside casing
(15) it is connect between one end and one end of outline border (16) by spring (18), is arranged on the inner sidewall on rear side of the inside casing (15)
There is electrode hole one (20), be wound with coil (21) on the coil wheel (14), is provided with electrode on front side of the coil wheel (14)
Hole two (22) is provided with electrode column one (23) on rear side of the coil wheel (14), sets on the inner sidewall on front side of the outline border (16)
It is equipped with electrode column two, the coil wheel (14) is mounted in inside casing (15), electrode column one (23) peace on the coil wheel (14)
In electrode hole one (20), the electrode column two on the outline border (16) is mounted on the electrode hole two (22) on front side of coil wheel (14)
Interior, the quantity of fixed block (37) is 2, is offered screw hole (19) on the two sides and fixed block (37) of the outline border (16), two
A fixed block (37) passes through the two sides for being fitted to outline border (16) of screw hole and fixing bolt (24), the rotation respectively
The other end of bar one (12) and the fixed block (37) of outline border (16) side form a fixed connection, and outline border (16) other side is consolidated
Determine to be fixedly connected with rotating bar two (26) on block (37), be fixedly installed with fixed disk two (25) at the top of the support rod two (8),
The center position of the fixed disk two (25) offers convex groove, and rotating disc (27), institute are provided in the convex groove
The one end for stating rotating bar two (26) passes through the open end of convex groove and forms fixed company with the center position of rotating disc (27)
It connects, 2 annular electrode slots (28), the inside of two annular electrode slots (28) is offered on the inner sidewall of the convex groove
Be separately installed with annular electro pole piece one (29) and annular electro pole piece two (30) on wall, on the rotating disc (27) with annular electrode slot
(28) electrode slide plate one (31) and electrode slide plate two (32) are installed at corresponding position, are equipped on the rotating bar two (26)
Wiring pile one (33) and wiring pile two (34).
2. a kind of electromagnetic induction experiment instrument according to claim 1, it is characterised in that: the quantity of the spring (18) is
4.
3. a kind of electromagnetic induction experiment instrument according to claim 1, it is characterised in that: be arranged on the motor (10)
Motor (10) are formed after having motor switch, the battery (6), motor switch and motor (10) to connect by electric wire
Operating circuit.
4. a kind of electromagnetic induction experiment instrument according to claim 1, it is characterised in that: the both ends of the coil (21) point
It is not connect with electrode hole two (22) and electrode column one (23), the electrode hole one (20) is connected by electric wire and wiring pile one (33)
It connects, the electrode column two is connect by electric wire with wiring pile two (34), and the wiring pile one (33) and wiring pile two (34) are respectively
It is connect by electric wire with electrode slide plate one (31) and electrode slide plate two (32).
5. a kind of electromagnetic induction experiment instrument according to claim 1, it is characterised in that: the electrode slide plate one (31) and
Electrode slide plate two (32) is contacted with annular electro pole piece one (29) and annular electro pole piece two (30) respectively, the annular electro pole piece one
(29) it is connect respectively by electric wire with the anode and cathode of light bulb (4) with annular electro pole piece two (30).
6. a kind of electromagnetic induction experiment instrument according to claim 1, it is characterised in that: the screw hole on the outline border (16)
(19) quantity is 11, and the distance between screw hole described in every two (19) center is equal to the half of coil wheel (14) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629147.7U CN209232239U (en) | 2018-10-09 | 2018-10-09 | A kind of electromagnetic induction experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629147.7U CN209232239U (en) | 2018-10-09 | 2018-10-09 | A kind of electromagnetic induction experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209232239U true CN209232239U (en) | 2019-08-09 |
Family
ID=67499694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821629147.7U Expired - Fee Related CN209232239U (en) | 2018-10-09 | 2018-10-09 | A kind of electromagnetic induction experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209232239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098684A (en) * | 2020-09-16 | 2020-12-18 | 国网山东省电力公司招远市供电公司 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
| CN113176166A (en) * | 2021-04-26 | 2021-07-27 | 安徽工程大学 | Magnetic fluid sample magnetic field intensity adjusting device and using method |
-
2018
- 2018-10-09 CN CN201821629147.7U patent/CN209232239U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098684A (en) * | 2020-09-16 | 2020-12-18 | 国网山东省电力公司招远市供电公司 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
| CN112098684B (en) * | 2020-09-16 | 2023-07-28 | 国网山东省电力公司招远市供电公司 | Electric energy meter wire inlet and outlet reverse connection rapid checking instrument |
| CN113176166A (en) * | 2021-04-26 | 2021-07-27 | 安徽工程大学 | Magnetic fluid sample magnetic field intensity adjusting device and using method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20201009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |