CN208460268U - A kind of power electromagnetism comprehensive test instrument - Google Patents
A kind of power electromagnetism comprehensive test instrument Download PDFInfo
- Publication number
- CN208460268U CN208460268U CN201820371960.2U CN201820371960U CN208460268U CN 208460268 U CN208460268 U CN 208460268U CN 201820371960 U CN201820371960 U CN 201820371960U CN 208460268 U CN208460268 U CN 208460268U
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- China
- Prior art keywords
- arc panel
- metal bar
- comprehensive test
- test instrument
- bracket
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Abstract
The utility model discloses a kind of power electromagnetism comprehensive test instruments, including support base, the first arc panel for being fixed on support base and parallel with the first arc panel, the second arc panel being movably arranged on above the first arc panel, magnet block is evenly distributed on first arc panel and the second arc panel, there is metal bar between first arc panel and the second arc panel, metal bar is equipped with conducting wire, parallel a plurality of groove is offered on second arc panel, bracket is provided with above second arc panel, the metal bar is suspended on bracket by the connecting rod at both ends, LED light is installed on bracket, the LED light is connected with conducting wire；The utility model can be studied multiple experiment conclusions of high school physics with qualitative, quantitative, be embodied the interest and practicability of teaching aid, cultivated the integration capability of student, inspired the thinking of student by the one set of instrument of multiple combinations.
Description
Technical field
The utility model belongs to teaching equipment, and in particular to one kind can intuitively show the synthesis of mechanics and electric magnetisation principle
Tester.
Background technique
Current high school physics experiment equipment is largely outmoded, such as forst law of motion demonstrator, rare ready-made
Instrument, teacher's Self-made Realia is simple and crude coarse, causes teaching experiment on a spoken level or on examination question.
In addition, existing experiment is relatively simple, and much experiment is difficult to pass through in the teaching for being related to electric magnetisation chapters and sections
Teaching aid embodies, and many teachers dislike experiment trouble, thus single experiment is also seldom done, and causes student's learning efficiency low.
Excessively complicated secondly, Physical Experiment equipment is excessive, an a set of equipment of experiment, teacher is tired to send the numerous of equipment in borrowing
Lock, many Physical Experiments are also just ended up with nothing definite.
Utility model content
In order to reduce the experimental work amount of teacher, reinforces the synthesis inquiry experiment ability of student, reinforce student's novelty
Culture, embodies the interest of experiment, the utility model provides a kind of power electromagnetism comprehensive test instrument.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of power electromagnetism comprehensive test instrument, including
Support base, the first arc panel being fixed on support base and it is parallel with the first arc panel, be movably arranged on the first arc panel
Second arc panel of side is evenly distributed with magnet block, the first arc panel and the second arc on the first arc panel and the second arc panel
There is metal bar between plate, metal bar is equipped with conducting wire, offers parallel a plurality of groove, the second arc on second arc panel
It is provided with bracket above shape plate, the metal bar is suspended on bracket by the connecting rod at both ends, and LED is equipped on bracket
Lamp, the LED light are connected with conducting wire.
A kind of power electromagnetism comprehensive test instrument is additionally provided with the ammeter connecting with conducting wire on bracket.
A kind of power electromagnetism comprehensive test instrument, metal bar are lead rod.
A kind of power electromagnetism comprehensive test instrument, the first arc panel and the second arc panel are steel plate.
A kind of power electromagnetism comprehensive test instrument, groove have three.
A kind of power electromagnetism comprehensive test instrument, connecting rod and metal bar are hollow structure, and conducting wire is therefrom walked, institute
Bearing is installed on the metal bar stated, is flexibly connected by pin shaft with connecting rod.
A kind of power electromagnetism comprehensive test instrument, support base are the solid wooden platform or hollow metal frame.
Compared with the mode of the prior art, this patent has the advantages that following at least one:
1, metal bar, conducting wire and bracket construct the physical pendulum of object, when metal bar reciprocally swinging, have simulated closure electricity
A part of conductor on road does cutting magnetic induction line movement, and the interval LED is glittering after metal bar generates induced current, demonstrates electromagnetic induction
Phenomenon；
2, can be by the deflection of pointer after the ammeter connecting with conducting wire is provided on bracket, it will be faradic
Size and the speed of metal bar cutting magnetic line connect；
3, while circular arc panel and can also to help student to verify right hand ampere along the metal bar that arc track moves fixed
Then；
4, the groove on the second arc panel can do collision experiment after being put into the steel ball of suitable size, can be used for progressive demonstration
The forst law of motion.
Detailed description of the invention
Fig. 1 is the structural representation of the utility model.
Each appended drawing reference are as follows: 1-support base, the 2-the second arc panel, 21-grooves, 3-brackets, 4-connecting rods, 5-gold
Belong to stick, 6-LED light, 7-ammeters, the 8-the first arc panel.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1, the utility model discloses a kind of power electromagnetism comprehensive test instrument, including support base 1 and parallel
The second arc panel 2 and the first arc panel 8 on support base 1 are set, are uniformly distributed on the second arc panel 2 and the first arc panel 8
There is magnet block, bilevel magnet block forms the pole S and the pole N in magnetic field, and the second arc panel 2 and the first arc panel 8 are circular arc
Shape, and have metal bar 5 between the two, metal bar 5 are equipped with conducting wire, offer on second arc panel 2 parallel more
Groove 21 is provided with bracket 3 above second arc panel 2, and the metal bar 5 is hung by the connecting rod 4 at both ends
On bracket 3, LED light 6 is installed on bracket 3, the LED light 6 is connected with conducting wire.
When using this tester, since the second arc panel 2 being located above is movably arranged on support base 1 and can take at any time
Under, experiment with simple pendulum can be demonstrated by the metal bar 5 of suspension after removing the second arc panel 2, loading onto can after the second arc panel 2
To do cutting magnetic induction line experiment.
Metal bar 5, conducting wire and bracket 3 construct the physical pendulum of object, when 5 reciprocally swinging of metal bar, have simulated closure
A part of conductor of circuit does cutting magnetic induction line movement, and LED light 6 is spaced glittering after the generation induced current of metal bar 5, demonstrates electricity
Magnetic induction phenomenon；Magnetic field can be changed by changing size or the variation of magnetic force of magnet block, reach change induced current, pass through ED
The brightness of lamp 6 can intuitively be discovered.
, can be by the deflection of pointer after being provided with the ammeter 7 connecting with conducting wire on bracket 3, it will be faradic
Size and the speed of 5 cutting magnetic line of metal bar connect.
Circular arc panel and can also to help student to verify right hand ampere along the metal bar 5 that arc track moves fixed simultaneously
Then.
And three grooves 21 on the second arc panel 2, collision experiment can be done after being put into the steel ball of suitable size, can be used for gradually
Into the demonstration forst law of motion, the law of conservation of mechanical energy is helped explain, the conservation of momentum and conversion law in collision.
The metal bar 5 is lead rod, can be configured as other conductive metal sticks, external electricity can be also accessed on conducting wire
Then the relationship of induced electromotive force intensity Yu conductor length and speed is demonstrated by changing the length of conductive metal stick in source.
Second arc panel 2 and the first arc panel 8 is steel plate, can be configured as other materials for being equipped with magnet block
Material.
The connecting rod 4 and metal bar 5 is hollow structure, and conducting wire is therefrom walked, and is equipped with axis on the metal bar 5
It holds, is flexibly connected by pin shaft with connecting rod 4, compare and hung with line or rope, the rigid connection of metal bar 5 and connecting rod 4 can
Prevent metal bar 5 from putting partially.
The solid wooden platform or hollow metal frame can be set as needed into the support base 1 of this tester.
The utility model can study multiple experiment knots of high school physics by the one set of instrument of multiple combinations with qualitative, quantitative
By embodying the interest and practicability of teaching aid, cultivated the integration capability of student, inspired the thinking of student.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and the embodiment that part uses,
For those of ordinary skill in the art, without departing from the concept of the present invention, if can also make
Dry modification and improvement, these are all within the protection scope of the present invention.
Claims (8)
1. a kind of power electromagnetism comprehensive test instrument, it is characterised in that: including support base (1), the first arc being fixed on support base (1)
Shape plate (8) and the second arc panel (2) that is parallel with the first arc panel (8), being movably arranged on above the first arc panel (8), the
Magnet block is evenly distributed on one arc panel (8) and the second arc panel (2), between the first arc panel (8) and the second arc panel (2)
Have metal bar (5), metal bar (5) is equipped with conducting wire, offers parallel a plurality of groove on second arc panel (2)
(21), it is provided with bracket (3) above the second arc panel (2), the metal bar (5) is suspended on by the connecting rod (4) at both ends
It on bracket (3), is equipped on bracket (3) LED light (6), the LED light (6) is connected with conducting wire.
2. a kind of power electromagnetism comprehensive test instrument according to claim 1, which is characterized in that also set on the bracket (3)
It is equipped with the ammeter (7) connecting with conducting wire.
3. a kind of power electromagnetism comprehensive test instrument according to claim 1, which is characterized in that the metal bar (5) is lead
Stick.
4. a kind of power electromagnetism comprehensive test instrument according to claim 1, which is characterized in that first arc panel (8)
It is steel plate with the second arc panel (2).
5. a kind of power electromagnetism comprehensive test instrument according to claim 1, which is characterized in that the groove (21) has three
Item.
6. a kind of power electromagnetism comprehensive test instrument according to claim 1, which is characterized in that the connecting rod (4) and gold
Belonging to stick (5) is hollow structure, and conducting wire is therefrom walked, and the metal bar is equipped with bearing on (5), passes through pin shaft and connecting rod
(4) it is flexibly connected.
7. a kind of power electromagnetism comprehensive test instrument according to claim 1 or 2 or 3 or 4 or 5 or 6, which is characterized in that described
Support base (1) be the solid wooden platform.
8. a kind of power electromagnetism comprehensive test instrument according to claim 1 or 2 or 3 or 4 or 5 or 6, which is characterized in that described
Support base (1) be hollow metal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371960.2U CN208460268U (en) | 2018-03-19 | 2018-03-19 | A kind of power electromagnetism comprehensive test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371960.2U CN208460268U (en) | 2018-03-19 | 2018-03-19 | A kind of power electromagnetism comprehensive test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460268U true CN208460268U (en) | 2019-02-01 |
Family
ID=65155727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371960.2U Expired - Fee Related CN208460268U (en) | 2018-03-19 | 2018-03-19 | A kind of power electromagnetism comprehensive test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208460268U (en) |
-
2018
- 2018-03-19 CN CN201820371960.2U patent/CN208460268U/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: 20190201 Termination date: 20210319 |