CN204288637U - The multiplex apparatus for demonstrating of a kind of electromagnetic induction - Google Patents
The multiplex apparatus for demonstrating of a kind of electromagnetic induction Download PDFInfo
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- CN204288637U CN204288637U CN201420808445.8U CN201420808445U CN204288637U CN 204288637 U CN204288637 U CN 204288637U CN 201420808445 U CN201420808445 U CN 201420808445U CN 204288637 U CN204288637 U CN 204288637U
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Abstract
The utility model provides the multiplex apparatus for demonstrating of a kind of electromagnetic induction, comprise U-shaped electromagnet, sensitive galvanometer and the switch of connecting with sensitive galvanometer, also comprise regulated power supply and operator's console, the operator's console left and right sides is provided with baffle plate, two struts are fixed with between baffle plate, U-shaped electromagnet is fixed on operator's console, two struts are between U-shaped electromagnet two magnetic pole, and just conductive pillar is being fixed with to the position of U-shaped electromagnet, conductive pillar lower end connects sensitive galvanometer by wire, conductive pillar upper end is provided with through hole, connection of rotating coil in through hole, two struts are removably connected with the second electromagnet near the position of left side baffle plate, second electromagnet comprises detachable iron core and at least two group coils, also insulation rod is fixed with between baffle plate, insulation rod is equipped with dynamometry assembly and small magnetic needle.The utility model structure is simple and easy to carry, can complete multiple electromagnetic induction serial experiment, is conducive to elaborative faculty, the enhancing learning interest of developing student.
Description
Technical field
The utility model relates to a kind of physical teaching aid, particularly relates to the multiplex apparatus for demonstrating of a kind of electromagnetic induction.
Background technology
In teaching process, teacher utilizes assistant teaching aid to demonstrate certain scientific phenomena intuitively, visually, can improve the learning interest of classmates and bring into full play, and is a kind of very effective teaching means.Especially in science teaching, by demonstrating some interesting phenomenon, causing classmates' statement into question and then starting brain and carrying out thinking deeply the form of teaching highly advocated.
Electromagnetic induction is considerable knowledge in physics subject, fully understands the basis learning the complex apparatus such as generator, transformer after this partial content is.Teacher usually can utilize simple teaching aid to demonstrate for classmates before starting teaching, but existing electromagnetic induction demonstration teaching aid often can only complete single simple experiment, and can not complete the serial experiment relevant with electromagnetic induction, well cannot realize teaching efficiency.Authorization Notice No. is that the patent document of CN 202383906 U discloses a kind of electromagnetic induction demonstration device, comprise U-shaped electromagnet, sensitive galvanometer and the switch of connecting with sensitive galvanometer, also comprise the coil winding frame of the insulation being wound with enameled wire, the rotating shaft of insulation and two conductive poles, two conductive poles are fixedly connected on the inwall of the same magnetic level of U-shaped electromagnet, and be connected with sensitive galvanometer by wire, coil winding frame is fixed in rotating shaft, conducting ring is equipped with in the rotating shaft at coil winding frame two ends respectively fixed cover, two conducting rings are separately positioned in the through hole on two corresponding conductive pole tops, the two ends of enameled wire is welded on two conducting rings respectively.Said apparatus can only realize coil winding frame and rotates in magnetic field and then produce electromotive force, cannot demonstrate electric field and produce magnetic field phenomenon, and utilizes the mode of magnetic field generation electric field single, can not reach desirable teaching efficiency.
Utility model content
The purpose of this utility model is to provide a kind of electromagnetic induction multiplex apparatus for demonstrating, can complete and utilize electric field to produce magnetic field and conductor with different forms of motion cutting magnetic induction line and produce multiple experiments of electric field in magnetic field, the relation of inducting between electricity and magnetic is shown on visual pattern ground.
For achieving the above object, the technical solution adopted in the utility model is:
The multiplex apparatus for demonstrating of a kind of electromagnetic induction, comprise U-shaped electromagnet, sensitive galvanometer and the switch of connecting with sensitive galvanometer, also comprise regulated power supply and operator's console, described regulated power supply is arranged on operator's console inside, described operator's console surface is provided with power supply knob, power input terminal and power output terminal, the operator's console left and right sides is provided with baffle plate, two struts are fixed with along operator's console Width between described baffle plate, described U-shaped electromagnet is fixed on the position near right-hand apron on operator's console, two struts are between U-shaped electromagnet two magnetic pole, two struts are just fixed with conductive pillar to the position of U-shaped electromagnet, described conductive pillar lower end connects sensitive galvanometer by wire, conductive pillar upper end is provided with through hole, connection of rotating coil in through hole, two struts are removably connected with the second electromagnet near the position of left side baffle plate, described second electromagnet comprises detachable iron core and at least two group coils, also insulation rod is fixed with between described baffle plate, insulation rod is equipped with dynamometry assembly and small magnetic needle.
Described rotating coil is fixed in insulation rotating shaft, and rotating coil two ends are provided with conductive ring, and conductive ring is arranged in the through hole of conductive pillar, and insulation rotating shaft to be located in conductive ring and to stretch out the through hole of conductive pillar.
Side near U-shaped electromagnet on two struts is provided with chute, and conductive pillar is by being bolted on strut through chute.
Described operator's console surface is also provided with power light, and described sensitive galvanometer is also in series with miniature bulb.
Described rotating shaft one end is provided with handle.
The utility model is easy to carry, making is simple, by arranging regulated power supply, detachable electromagnetic iron and organizing coil more, not only can reach the experiment purpose utilizing electric field to produce magnetic field, and can probe into the factor affecting electromagnet magnetic force by guiding student; Not only rotatable but also can the coil of translation by arranging in magnetic field, the experiment effect that magnetic field under different motion form produces electric field can be reached.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the multiplex apparatus for demonstrating of a kind of electromagnetic induction, the switch 21, the miniature bulb 20 that comprise regulated power supply, operator's console 1, sensitive galvanometer 19 and connect with sensitive galvanometer 19, it is inner that regulated power supply is arranged on operator's console 1, and adjustable voltage scope is 0 ~ 12V.Operator's console 1 entirety is in " L " type, the vertical panel 2 of " L " type operator's console 1 is provided with power supply knob 4, power input terminal 6 and power light 5, the front end face 3 of operator's console 1 is provided with power output terminal 7, the left and right sides of " L " type operator's console 1 horizontal panel is provided with baffle plate 8, be fixed with the strut 9 of two eradication edge along operator's console 1 Width between two baffle plates 8, position near right-hand apron 8-2 on operator's console 1 is fixed with U-shaped electromagnet 10, two struts 9 are between U-shaped electromagnet 10 liang of magnetic poles, the two ends of U-shaped electromagnet 10 coil connect power input terminal 6 and power output terminal 7 respectively, two struts 9 are provided with chute near the side of U-shaped electromagnet 10, conductive pillar 11 is connected with bolt respectively in chute, conductive pillar 11 lower end connects sensitive galvanometer by wire, conductive pillar 11 upper end is provided with through hole, insulation rotating shaft 13 two ends are located in the through hole of conductive pillar 11, rectangle rotating coil 12 is fixed in insulation rotating shaft 13.Rectangle rotating coil 12 two ends are provided with conductive ring, and conductive ring is arranged in the through hole of conductive pillar 11, can rotate with insulation rotating shaft 13.Insulation rotating shaft 13 one end is provided with handle, and during experiment, operating grip makes conductive ring rotate with insulation rotating shaft 13, and then rectangle rotating coil 12 can be driven to rotate around insulation rotating shaft 13.Two struts 9 are removably connected with on the second electromagnet 14, second electromagnet 14 two ends and two struts 9 near left side baffle plate 8-1 and are equipped with screw, and the second electromagnet 14 is bolted on two struts 9.Second electromagnet 14 comprises detachable iron core and at least two group coils, can use unlike material or difform iron core successively instead during experiment, also can use one group or series connection use several groups of coils respectively.Also be fixed with insulation rod 15 between two baffle plates 9, insulation rod 15 be equipped with the armature 16 and weight beam 17 that are connected to each other, being also equipped with can around the small magnetic needle 18 of insulcrete 15 flexible rotating.Armature 16 is positioned at the second electromagnet 14 side, and can be pulled away from the second electromagnet 14 by weight beam 17, small magnetic needle 18 is used to indicate magnetic direction.
Principle of work of the present utility model is: produce magnetic-field test when carrying out electric field, and when probing into the factor affecting electromagnet magnetic force, the coil two ends of the second electromagnet 14 are connected power input terminal 6 and power output terminal 7 respectively, and observes the sensing of small magnetic needle 18 when exchanging input, lead-out terminal on-position; Measure the gravitation size of the second electromagnet 14 pairs of armature 16 with weight beam 17 under the condition using the iron core of different voltage, unlike material or different group number coil.When carrying out magnetic field and producing electric field experiment, the coil two ends of U-shaped electromagnet 10 are connected power input terminal 6 and power output terminal 7 respectively, conductive pillar 11 lower end connects sensitive galvanometer 19 by wire, utilize rotating shaft 13 to drive rectangle rotating coil 12 to rotate in magnetic field, observe the indicators turn situation of sensitive galvanometer 19 and the situation that flickers of miniature bulb 20 simultaneously; Also can loosen the bolt of strut 9 chute internal fixtion conductive pillar 11, make conductive pillar 11 drive rectangle rotating coil 12 to horizontally slip on strut 9, observe the indicators turn situation of sensitive galvanometer 19 and the situation that flickers of miniature bulb 20.
The utility model structure is simple and easy to carry, and the overall common element that adopts is made, and can complete multiple electromagnetic induction serial experiment, is conducive to elaborative faculty, the enhancing learning interest of developing student.
Claims (5)
1. the multiplex apparatus for demonstrating of electromagnetic induction, comprise U-shaped electromagnet, sensitive galvanometer and the switch of connecting with sensitive galvanometer, it is characterized in that: also comprise regulated power supply and operator's console, described regulated power supply is arranged on operator's console inside, described operator's console surface is provided with power supply knob, power input terminal and power output terminal, the operator's console left and right sides is provided with baffle plate, two struts are fixed with along operator's console Width between described baffle plate, described U-shaped electromagnet is fixed on the position near right-hand apron on operator's console, two struts are between U-shaped electromagnet two magnetic pole, two struts are just fixed with conductive pillar to the position of U-shaped electromagnet, described conductive pillar lower end connects sensitive galvanometer by wire, conductive pillar upper end is provided with through hole, connection of rotating coil in through hole, two struts are removably connected with the second electromagnet near the position of left side baffle plate, described second electromagnet comprises detachable iron core and at least two group coils, also insulation rod is fixed with between described baffle plate, insulation rod is equipped with dynamometry assembly and small magnetic needle.
2. the multiplex apparatus for demonstrating of a kind of electromagnetic induction as claimed in claim 1, it is characterized in that: described rotating coil is fixed in insulation rotating shaft, rotating coil two ends are provided with conductive ring, conductive ring is arranged in the through hole of conductive pillar, and insulation rotating shaft to be located in conductive ring and to stretch out the through hole of conductive pillar.
3. the multiplex apparatus for demonstrating of a kind of electromagnetic induction as claimed in claim 2, is characterized in that: the side near U-shaped electromagnet on two struts is provided with chute, and conductive pillar is by being bolted on strut through chute.
4. the multiplex apparatus for demonstrating of a kind of electromagnetic induction as claimed in claim 3, is characterized in that: described operator's console surface is also provided with power light, and described sensitive galvanometer is also in series with miniature bulb.
5. the multiplex apparatus for demonstrating of a kind of electromagnetic induction as claimed in claim 4, is characterized in that: described rotating shaft one end is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808445.8U CN204288637U (en) | 2014-12-19 | 2014-12-19 | The multiplex apparatus for demonstrating of a kind of electromagnetic induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808445.8U CN204288637U (en) | 2014-12-19 | 2014-12-19 | The multiplex apparatus for demonstrating of a kind of electromagnetic induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204288637U true CN204288637U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808445.8U Expired - Fee Related CN204288637U (en) | 2014-12-19 | 2014-12-19 | The multiplex apparatus for demonstrating of a kind of electromagnetic induction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204288637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781913A (en) * | 2016-12-23 | 2017-05-31 | 陈雁泽 | A kind of electromagnetism magnetic force apparatus for demonstrating |
| CN107103823A (en) * | 2016-02-23 | 2017-08-29 | 郭茂清 | Entertaining linear motor teaching mode |
| CN111438499A (en) * | 2020-03-30 | 2020-07-24 | 华南理工大学 | 5G + industrial AR-based assembly method using constraint-free force feedback |
-
2014
- 2014-12-19 CN CN201420808445.8U patent/CN204288637U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103823A (en) * | 2016-02-23 | 2017-08-29 | 郭茂清 | Entertaining linear motor teaching mode |
| CN106781913A (en) * | 2016-12-23 | 2017-05-31 | 陈雁泽 | A kind of electromagnetism magnetic force apparatus for demonstrating |
| CN106781913B (en) * | 2016-12-23 | 2019-01-01 | 陈雁泽 | A method of galvanometer tilt angle in monitoring electromagnetism magnetic force apparatus for demonstrating |
| CN111438499A (en) * | 2020-03-30 | 2020-07-24 | 华南理工大学 | 5G + industrial AR-based assembly method using constraint-free force feedback |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |