CN207134030U - Electromagnetism Basic experimental teaching equipment - Google Patents
Electromagnetism Basic experimental teaching equipment Download PDFInfo
- Publication number
- CN207134030U CN207134030U CN201720769457.8U CN201720769457U CN207134030U CN 207134030 U CN207134030 U CN 207134030U CN 201720769457 U CN201720769457 U CN 201720769457U CN 207134030 U CN207134030 U CN 207134030U
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- CN
- China
- Prior art keywords
- rotating shaft
- support bar
- teaching equipment
- connecting rod
- experimental teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses electromagnetism Basic experimental teaching equipment, including two support bars, connection rotating shaft between two support bars, one end of rotating shaft is extend out on the outside of support bar, secured core in the rotating shaft, wound around coil on iron core；Two connecting rods are further fixed between two support bars, two connecting rods are located at the upper and lower both sides of rotating shaft, all some needle disks are set along length of connecting rod direction on every connecting rod respectively；The support bar, rotating shaft, connecting rod are made by non-magnet material.The purpose of this utility model is to provide electromagnetism Basic experimental teaching equipment, understands abstract electromagnetic field to solve the problems, such as that prior art middle school student are inconvenient, realize the purpose for facilitating students intuitively to recognize electromagnetic field.
Description
Technical field
It the utility model is related to teaching equipment field, and in particular to electromagnetism Basic experimental teaching equipment.
Background technology
Electromagnetism is a branch of physics, originating from modern age.The electromagnetism of broad sense can be described as including electricity and magnetic
Learn, but for narrow sense be one and inquire into the electrically subject with magnetic interactive relation, it mainly studies electromagnetic wave, electromagnetic field and has
Powered-down lotus, dynamics of charged object etc..Electromagnetism subject is as the important component in middle school physics, and it is in middle school's rank
Section is learnt mainly for electromagnetic field, often excessively abstract when explaining the presence of electromagnetic field to students, cause student without
Method intuitively recognizes electromagnetic field phenomenon.
Utility model content
The purpose of this utility model is to provide electromagnetism Basic experimental teaching equipment, to solve prior art middle school student not
Just the problem of understanding abstract electromagnetic field, the purpose for facilitating students intuitively to recognize electromagnetic field is realized.
The utility model is achieved through the following technical solutions：
Electromagnetism Basic experimental teaching equipment, including two support bars, connection rotating shaft between two support bars, the one of rotating shaft
End is extend out on the outside of support bar, secured core in the rotating shaft, wound around coil on iron core；Two are further fixed between two support bars
Root connecting rod, two connecting rods are located at the upper and lower both sides of rotating shaft, all some needles are set along length of connecting rod direction on every connecting rod respectively
Disk；The support bar, rotating shaft, connecting rod are made by non-magnet material.
The problem of understanding abstract electromagnetic field for prior art middle school student inconvenience, the utility model proposes a kind of electromagnetism
Basic experimental teaching equipment, two support bars play a supportive role, and are arranged between rotating shaft, secured core in rotating shaft so that iron core energy
Enough as rotating shaft is rotated.One end of rotating shaft is extend out on the outside of support bar, is easy to teacher to be rotated by manpower drive shaft.Iron
Wound around coil on core.The both sides up and down of rotating shaft are both provided with connecting rod, and connecting rod two end is separately fixed on two support bars, in connecting rod
On be provided with some needle disks.Support bar, rotating shaft, connecting rod are made by non-magnet material, avoid magnetizing effect electromagnetic field
Magnetic induction line.During the utility model use, to coil electricity, iron core is collectively forming electromagnet with coil, in electromagnet
Under magnetic fields, the needle disk of upper and lower both sides can all act, and pointer is towards magnetic induction line direction, so as to intuitively to students
The necessary being of electromagnetic field is shown, and foundation is oriented with all needle disks, additionally it is possible to draws the magnetic induction line direction of electromagnetic field.
Operating personnel can have irrelevant with rotating shaft between verifying electromagnetic field and coil angle.Further, it is also possible to change to coil
The sense of current of middle input, so as to verify Ampere's law in physics to students, realization facilitates students intuitively to recognize electricity
The purpose in magnetic field.
Preferably, the rotating shaft extend out to the connection of one end on the outside of support bar handle.User's swinging handle, so as to drive
Axis of rotation so that flexible to operation.
Preferably, the needle disk includes shell, fixing axle, needle, and shell is fixed on connecting rod, and fixing axle is arranged at outer
In shell, needle is movably set in fixing axle.Shell is used to protect needle；Needle is movably set in fixing axle so that needle
It can be rotated along magnetic direction.
Preferably, the support bar, rotating shaft, connecting rod form by producing wood.Timber not only not magnetic conduction, and there is matter
The advantages of light, it is easy to movement of the present utility model.
Further, in addition to the slide rheostat that is fixed on support bar.By coil and slide rheostat phase during use
Even, so as to adjust the size of current by coil, whether there is with this between students exhibiting magnetic field direction and size of current
Positive connection.
Further, in addition to the ammeter that is fixed on support bar.Accurately read by coil by ammeter
Size of current so that cognition of the students to electromagnetic field is more accurately and reliably.
Preferably, the support bar bottom sets base.Ensure support bar it is reliable and stable be placed on such as dais, desk
Surface.
The utility model compared with prior art, has the following advantages and advantages：
The utility model electromagnetism Basic experimental teaching equipment, after coil electricity, iron core is collectively forming electromagnetism with coil
Iron, under the magnetic fields of electromagnet, the needle disk of upper and lower both sides can all act, pointer towards magnetic induction line direction, so as to
The necessary being of electromagnetic field is intuitively shown to students, and foundation is oriented with all needle disks, additionally it is possible to draws electromagnetism
The magnetic induction line direction of field.Operating personnel can have irrelevant with rotating shaft between verifying electromagnetic field and coil angle.In addition,
The sense of current inputted into coil can also be changed, so as to verify Ampere's law in physics to students, realize convenient learn
Raw the purpose for intuitively recognizing electromagnetic field.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the structural representation of the utility model specific embodiment；
Fig. 2 is the side view of needle disk in the utility model specific embodiment.
Mark and corresponding parts title in accompanying drawing：
1- support bars, 2- rotating shafts, 3- iron cores, 4- connecting rods, 5- needle disks, 51- shells, 52- fixing axles, 53- needles, 6- hands
Handle, 7- slide rheostats, 8- ammeters, 9- bases.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
Electromagnetism Basic experimental teaching equipment as shown in Figures 1 and 2, including two support bars 1, two support bars 1 it
Between connection rotating shaft 2, one end of rotating shaft 2 extend out to the outside of support bar 1, secured core 3 in the rotating shaft 2, and line is wound on iron core 3
Circle；Two connecting rods 4 are further fixed between two support bars 1, two connecting rods 4 are located at the upper and lower both sides of rotating shaft 2, every company respectively
Some needle disks 5 all are set along length of connecting rod direction on bar 4；The support bar 1, rotating shaft 2, connecting rod 4 are by non-magnet material system
Form.The rotating shaft 2 extend out to one end connection handle 6 in the outside of support bar 1.The needle disk 5 includes shell 51, fixing axle
52nd, needle 53, shell 51 are fixed on connecting rod 4, and fixing axle 52 is arranged in shell 51, and needle 53 is movably set in fixing axle 52
On.The support bar 1, rotating shaft 2, connecting rod 4 form by producing wood.Also include the slide rheostat being fixed on support bar 1
7th, ammeter 8, slide rheostat 7 are connected with ammeter 8.The bottom of support bar 1 sets base 9.The utility model used
Cheng Zhong, to coil electricity, iron core 3 is collectively forming electromagnet with coil, under the magnetic fields of electromagnet, the needle of upper and lower both sides
Disk can all act, and needle 53 is towards magnetic induction line direction, so that the necessary being of electromagnetic field is intuitively shown to students, and
Foundation is oriented with all needles 53, additionally it is possible to draws the magnetic induction line direction of electromagnetic field.Operating personnel can be with rotating shaft
2, have between verifying electromagnetic field and coil angle irrelevant.Further, it is also possible to change the sense of current inputted into coil, so as to
Ampere's law in physics is verified to students, realizes the purpose for facilitating students intuitively to recognize electromagnetic field.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (7)
1. electromagnetism Basic experimental teaching equipment, it is characterised in that including two support bars (1), connect between two support bars (1)
Switch through axle (2), one end of rotating shaft (2) is extend out on the outside of support bar (1), secured core (3) on the rotating shaft (2), on iron core (3)
Wound around coil；Be further fixed on two connecting rods (4) between two support bars (1), two connecting rods (4) respectively positioned at rotating shaft (2) it is upper,
Lower both sides, some needle disks (5) all are set along length of connecting rod direction on every connecting rod (4)；The support bar (1), rotating shaft (2),
Connecting rod (4) is made by non-magnet material.
2. electromagnetism Basic experimental teaching equipment according to claim 1, it is characterised in that the rotating shaft (2) extend out to
One end connection handle (6) on the outside of support bar (1).
3. electromagnetism Basic experimental teaching equipment according to claim 1, it is characterised in that the needle disk (5) includes
Shell (51), fixing axle (52), needle (53), shell (51) are fixed on connecting rod (4), and fixing axle (52) is arranged at shell (51)
Interior, needle (53) is movably set in fixing axle (52).
4. electromagnetism Basic experimental teaching equipment according to claim 1, it is characterised in that the support bar (1), rotating shaft
(2), connecting rod (4) forms by producing wood.
5. electromagnetism Basic experimental teaching equipment according to claim 1, it is characterised in that also include being fixed on support bar
(1) slide rheostat (7) on.
6. electromagnetism Basic experimental teaching equipment according to claim 1, it is characterised in that also include being fixed on support bar
(1) ammeter (8) on.
7. electromagnetism Basic experimental teaching equipment according to claim 1, it is characterised in that support bar (1) bottom
Base (9) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769457.8U CN207134030U (en) | 2017-06-27 | 2017-06-27 | Electromagnetism Basic experimental teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769457.8U CN207134030U (en) | 2017-06-27 | 2017-06-27 | Electromagnetism Basic experimental teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134030U true CN207134030U (en) | 2018-03-23 |
Family
ID=61632216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769457.8U Expired - Fee Related CN207134030U (en) | 2017-06-27 | 2017-06-27 | Electromagnetism Basic experimental teaching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207134030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545049A (en) * | 2018-11-30 | 2019-03-29 | 湖南文理学院 | A kind of Experiment of College Physics electromagnetic field three-dimensional modelling device |
-
2017
- 2017-06-27 CN CN201720769457.8U patent/CN207134030U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545049A (en) * | 2018-11-30 | 2019-03-29 | 湖南文理学院 | A kind of Experiment of College Physics electromagnetic field three-dimensional modelling device |
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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 |
Granted publication date: 20180323 Termination date: 20200627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |