CN104064089A - Comprehensive experiment exploration platform for Ampere force - Google Patents
Comprehensive experiment exploration platform for Ampere force Download PDFInfo
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- CN104064089A CN104064089A CN201410314683.8A CN201410314683A CN104064089A CN 104064089 A CN104064089 A CN 104064089A CN 201410314683 A CN201410314683 A CN 201410314683A CN 104064089 A CN104064089 A CN 104064089A
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- rail car
- small rail
- coil
- ampère force
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Abstract
The invention discloses a comprehensive experiment exploration platform for an Ampere force, and belongs to a teaching or display tool, especially an experiment device for demonstrating the Ampere force in the electromagnetics. The platform is characterized in that the platform comprises a support, an electromagnetic moving device for demonstrating the Ampere force, and a permanent magnet device for providing a magnetic field. The electromagnetic moving device consists of a small rail car placed on double metal guide rails, and a square coil disposed at the tail part of the small rail car. The permanent magnet device is a U-shaped magnet assembly which is placed at the left end of a panel. The opening of the U-shaped magnet assembly is horizontally placed in a groove on the length center line of the panel. A magnetic pole is located at the top, and the outer magnetic pole is located at the bottom, wherein the magnetic pole located at the top can pass through the square coil. The platform provided by the utility model can verify the left-hand rule, and in particular, verifies the relation of the Ampere force, the magnetic induction intensity, a current and a wire length in a qualitative manner through a method of controlling variables. The platform is a novel teaching tool which is visual and simple in structure.
Description
Technical field
The invention belongs to education or demonstration equipment; The experimental provision of Ampère force especially for probing into, in demonstrating electrical magnetics.
Background technology
Also few about the innovative experiment of Ampère force, especially very successful grouping experiment is just more rare.Student generally rests in space imagination aspect, seldom by experiment, in person experiences and experiences.Laboratory is about the tradition demonstration equipment of Ampère force, and the square coil of switching on is hung on iron stand, and magnet is close, observes coil and swings.This experiment equipment is too simple and easy, and very inconvenient operation, is difficult to the locus that fixes, and to causing very large difficulty about the case study of Ampère force dimensional orientation, and control variate method cannot embody comprehensively.
Summary of the invention
In order to overcome existing experimental facilities function singleness, be inconvenient to operate, dimensional orientation is difficult for fixing, be not suitable for middle school physical experiment and probe into the deficiency of use, the invention provides a kind of Ampère force Comprehensive Experiment and probe into platform, this Ampère force synthesis experiment platform not only can complete the accelerated motion under Ampère force effect of square coil taking small rail car as carrier, and the dimensional orientation that fixes, checking left-hand rule, particularly can pass through control variate method, verify qualitatively the relation of Ampère force, magnetic induction density, electric current, conductor length, effect highly significant.
The technical solution adopted for the present invention to solve the technical problems is: platform is probed in a kind of Ampère force Comprehensive Experiment, it is characterized in that: comprise support, show the electromagnetic motion device that Ampère force exists, the permanent magnetic device in magnetic field is provided,
Described support comprises base, be arranged on the instrument case that support riser on base is connecting upper flat plate, the base plate of two risers and is being arranged on base plate below.
Described electromagnetic motion device forms by being placed on the small rail car of the two guide rails of metal and being arranged on small rail car afterbody square coil, square coil two ends and small rail car wheel, the two guide rails of metal, crocodile clip, wire, switch, student power source are electrically connected successively, and the two guide rails of described metal are the two parallel sheet metals that are positioned at upper flat plate surface mutually insulated.
The described permanent magnetic device that magnetic field is provided is the U magnet assembly that is placed on upper flat plate left end, U magnet assembly opening lies in the groove on the length center line that is positioned at upper flat plate to the right, a magnetic pole is upper, another magnetic pole under, top magnetic pole can pass square coil.
The side of described upper flat plate is fixed wtih rule.
Described U magnet assembly comprises two large U magnets arranged side by side or the large U magnet of an autonomous block or two little U magnets arranged side by side.
On the support riser of described upper flat plate left end, horizontal buffer spring is housed.
The wheel of the described small rail car left and right sides is insulated from each other, and front and back metal axletree is all to dock with insulating material.
Using method of the present invention is:
1. by control variate method, verify qualitatively the relation of Ampère force, magnetic induction density, electric current, conductor length:
(1) be placed on two side by side large U magnets the length center line upper groove that is positioned at upper flat plate, small rail car is placed near magnet one end, and allow a utmost point of magnet through square coil, student power source voltage is adjusted to 16V, Closing Switch, power supply, metal two-orbit, coil, dolly two trailing wheels form closed-loop path, the horizontal sides of square coil is because being subject to Ampère force, and small rail car is accelerated, the motion conditions that successively voltage is adjusted to 12V, 10V, 8V, 6V and observes respectively small rail car, and record respectively the distance that it slides.
(2), with two little U magnets arranged side by side, repeat aforesaid operations.
(3), with a large U magnet of independence, repeat aforesaid operations.
2. checking left-hand rule:
(1) be placed on two side by side large U magnets the length center line upper groove that is positioned at upper flat plate, small rail car is placed near magnet one end, and allow a utmost point of magnet through square coil, student power source voltage is adjusted to 16V, Closing Switch, power supply, metal two-orbit, coil, dolly two trailing wheels form closed-loop path, the horizontal sides of square coil is because being subject to Ampère force, and accelerator is accelerated, according to the clear and definite magnetic direction of magnetic pole, according to electric power polarity and coil around to, clearly by the sense of current of coil horizontal sides, according to the direction of the suffered Ampère force of the clear and definite coil horizontal sides of the acceleration direction of dolly, seeing the dimensional orientation of relevant equipment, easily confirm the direction of related physical quantity, thereby probe into, checking left-hand rule.
(2) change magnetic direction, repeat aforesaid operations, then verify.
(3) change direction of current, repeat aforesaid operations, then verify.
The invention has the beneficial effects as follows that this Experimental Research platform can complete taking small rail car as carrier, the accelerated motion of square coil under Ampère force effect, and the dimensional orientation that fixes, square coil is to carry out effective amplified current by increasing the number of turn, thereby the display effect of enhancing Ampère force, the number of turn of coil is 600 multiturns nearly, and amplifying thought is the important thinking of physics innovative design, and this thought is embodied fully in this experiment porch.This Experimental Research platform can be verified left-hand rule, particularly by control variate method, verifies qualitatively the relation of Ampère force, magnetic induction density, electric current, conductor length.Equipment is visual in image, simple in structure, generous, for middle school physics teaching provides a kind of Novel teaching aid.
Brief description of the drawings
Fig. 1 is structural representation of the present invention,
Fig. 2 is the vertical view of Fig. 1.
In figure, 1. base, 2. metal two-orbit, 3.U shape magnet assemblies, 4. square coil, 5. small rail car, 6. rule, 7. crocodile clip, 8. buffer spring, 9. student power source, 10. base plate, 11. switches, 12. instrument cases, 13. support risers.
Embodiment
The specific embodiment of the present invention is, as shown in the figure:
Embodiment 1, platform is probed in a kind of Ampère force Comprehensive Experiment, it is characterized in that: comprise support, show the electromagnetic motion device that Ampère force exists, the permanent magnetic device in magnetic field is provided,
Described support comprises base 1, be arranged on the instrument case 12 that support riser 13 on base is connecting upper flat plate, the base plate 10 of two risers and is being arranged on base plate below.
Described electromagnetic motion device forms by being placed on the small rail car 5 of the two guide rails 2 of metal and being arranged on small rail car afterbody square coil 4, square coil two ends and small rail car wheel, the two guide rails of metal, crocodile clip 7, wire, switch 11, student power source 9 be electrically connecteds successively, and the two guide rails of described metal are the two parallel sheet metals that are positioned at the surperficial mutually insulated of upper flat plate.
The described permanent magnetic device that magnetic field is provided is the U magnet assembly 3 that is placed on upper flat plate left end, U magnet assembly opening lies in the groove on the length center line that is positioned at upper flat plate to the right, a magnetic pole is upper, another magnetic pole under, top magnetic pole can pass square coil.
Embodiment 2, platform is probed in a kind of Ampère force Comprehensive Experiment, it is characterized in that: comprise support, show the electromagnetic motion device that Ampère force exists, the permanent magnetic device in magnetic field is provided,
Described support comprises base 1, be arranged on the instrument case 12 that support riser 13 on base is connecting upper flat plate, the base plate 10 of two risers and is being arranged on base plate below.
Described electromagnetic motion device forms by being placed on the small rail car 5 of the two guide rails 2 of metal and being arranged on small rail car afterbody square coil 4, square coil two ends and small rail car wheel, the two guide rails of metal, crocodile clip 7, wire, switch 11, student power source 9 be electrically connecteds successively, and the two guide rails of described metal are the two parallel sheet metals that are positioned at the surperficial mutually insulated of upper flat plate.
The described permanent magnetic device that magnetic field is provided is the U magnet assembly 3 that is placed on upper flat plate left end, U magnet assembly opening lies in the groove on the length center line that is positioned at upper flat plate to the right, a magnetic pole is upper, another magnetic pole under, top magnetic pole can pass square coil.
The side of described upper flat plate is fixed wtih rule 6.
Described U magnet assembly comprises two large U magnets arranged side by side or the large U magnet of an autonomous block or two little U magnets arranged side by side.
Horizontal buffer spring 8 is housed on the support riser of described upper flat plate left end.
The wheel of the described small rail car left and right sides is insulated from each other, and front and back metal axletree is all to dock with insulating material.
Claims (6)
1. a platform is probed in Ampère force Comprehensive Experiment, it is characterized in that: comprise support, show the electromagnetic motion device that Ampère force exists, the permanent magnetic device in magnetic field is provided,
Described support comprises base, be arranged on the instrument case that support riser on base is connecting upper flat plate, the base plate of two risers and is being arranged on base plate below.
Described electromagnetic motion device forms by being placed on the small rail car of the two guide rails of metal and being arranged on small rail car afterbody square coil, square coil two ends is electrically connected successively with small rail car wheel, the two guide rails of metal, crocodile clip, wire, switch, student power source, the two guide rails of described metal are the two parallel sheet metals that are positioned at leveling board surface mutually insulated, on the two guide rails of metal, are connecting respectively crocodile clip.
The described permanent magnetic device that magnetic field is provided is the U magnet assembly that is placed on upper flat plate left end, U magnet assembly opening lies in the groove on the length center line that is positioned at upper flat plate to the right, a magnetic pole is upper, another magnetic pole under, top magnetic pole can pass square coil.
2. platform is probed in Ampère force Comprehensive Experiment according to claim 1, it is characterized in that: the side of described upper flat plate is fixed wtih rule.
3. platform is probed in Ampère force Comprehensive Experiment according to claim 1, it is characterized in that: described U magnet assembly comprises two large U magnets arranged side by side or the large U magnet of an autonomous block or two little U magnets arranged side by side.
4. platform is probed in Ampère force Comprehensive Experiment according to claim 1, it is characterized in that: on the support riser of described upper flat plate right-hand member, horizontal buffer spring is housed.
5. platform is probed in Ampère force Comprehensive Experiment according to claim 1, it is characterized in that: the wheel of the described small rail car left and right sides is insulated from each other, and front and back metal axletree is all to dock with insulating material.
6. the using method that platform is probed in Ampère force Comprehensive Experiment claimed in claim 1, is characterized in that: A., by control variate method, verifies the relation of Ampère force, magnetic induction density, electric current, conductor length qualitatively:
(1) be placed on two side by side large U magnets the length center line upper groove that is positioned at upper flat plate, small rail car is placed near magnet one end, and allow a utmost point of magnet through square coil, student power source voltage is adjusted to 16V, Closing Switch, power supply, metal two-orbit, coil, dolly two trailing wheels form closed-loop path, the horizontal sides of square coil is because being subject to Ampère force, and small rail car is accelerated, the motion conditions that successively voltage is adjusted to 12V, 10V, 8V, 6V and observes respectively small rail car, and record respectively the distance that it slides.
(2), with two little U magnets arranged side by side, repeat aforesaid operations.
(3), with a large U magnet of independence, repeat aforesaid operations.
B. verify left-hand rule:
(1) be placed on two side by side large U magnets the length center line upper groove that is positioned at upper flat plate, small rail car is placed near magnet one end, and allow a utmost point of magnet through square coil, student power source voltage is adjusted to 16V, Closing Switch, power supply, metal two-orbit, coil, dolly two trailing wheels form closed-loop path, the horizontal sides of square coil is because being subject to Ampère force, and accelerator is accelerated, according to the clear and definite magnetic direction of magnetic pole, according to electric power polarity and coil around to, clearly by the sense of current of coil horizontal sides, according to the direction of the suffered Ampère force of the clear and definite coil horizontal sides of the acceleration direction of dolly, seeing the dimensional orientation of relevant equipment, easily confirm the direction of related physical quantity, thereby probe into, checking left-hand rule.
(2) change magnetic direction, repeat aforesaid operations, then verify.
(3) change direction of current, repeat aforesaid operations, then verify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314683.8A CN104064089B (en) | 2014-07-03 | 2014-07-03 | Platform is probed in ampere power Comprehensive Experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314683.8A CN104064089B (en) | 2014-07-03 | 2014-07-03 | Platform is probed in ampere power Comprehensive Experiment |
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| Publication Number | Publication Date |
|---|---|
| CN104064089A true CN104064089A (en) | 2014-09-24 |
| CN104064089B CN104064089B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410314683.8A Expired - Fee Related CN104064089B (en) | 2014-07-03 | 2014-07-03 | Platform is probed in ampere power Comprehensive Experiment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448386A (en) * | 2016-11-15 | 2017-02-22 | 合肥探奥自动化有限公司 | Science-popularization assembled toy based on Ampere force |
| CN109516336A (en) * | 2018-12-29 | 2019-03-26 | 刘英辉 | The control method of linear drive apparatus, safety tongs device and elevator device |
| CN111145621A (en) * | 2020-01-10 | 2020-05-12 | 常州市武进区湖塘桥第二实验小学 | Linear electric motor teaching device and U-shaped magnet thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1488866A1 (en) * | 1987-05-18 | 1989-06-23 | Ir Polt I | Teaching device for demonstrating of ampere force effect on liquid conductor |
| CN2775777Y (en) * | 2005-03-23 | 2006-04-26 | 太原理工大学 | Ampere force demonstration device |
| RU2321074C1 (en) * | 2006-10-30 | 2008-03-27 | Военно-космическая академия им. А.Ф. Можайского | Device for verifying the ampere law experimentally |
| CN201298307Y (en) * | 2008-12-03 | 2009-08-26 | 陈太贤 | Ampere force and magnetic induction intensity exploring instrument |
| CN201315108Y (en) * | 2008-11-27 | 2009-09-23 | 范国峰 | Ampere force presenter |
| CN201425805Y (en) * | 2009-05-03 | 2010-03-17 | 范国峰 | Ampere force experimental device |
| CN202534235U (en) * | 2012-04-19 | 2012-11-14 | 蔡芯璐 | Quantitative research instrument for Faraday's law of electromagnetic induction |
| CN202956967U (en) * | 2012-11-07 | 2013-05-29 | 王法秀 | Electro-magnetic induction demonstrator |
| CN203941646U (en) * | 2014-07-03 | 2014-11-12 | 张新宇 | Platform is probed in Ampère force Comprehensive Experiment |
-
2014
- 2014-07-03 CN CN201410314683.8A patent/CN104064089B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1488866A1 (en) * | 1987-05-18 | 1989-06-23 | Ir Polt I | Teaching device for demonstrating of ampere force effect on liquid conductor |
| CN2775777Y (en) * | 2005-03-23 | 2006-04-26 | 太原理工大学 | Ampere force demonstration device |
| RU2321074C1 (en) * | 2006-10-30 | 2008-03-27 | Военно-космическая академия им. А.Ф. Можайского | Device for verifying the ampere law experimentally |
| CN201315108Y (en) * | 2008-11-27 | 2009-09-23 | 范国峰 | Ampere force presenter |
| CN201298307Y (en) * | 2008-12-03 | 2009-08-26 | 陈太贤 | Ampere force and magnetic induction intensity exploring instrument |
| CN201425805Y (en) * | 2009-05-03 | 2010-03-17 | 范国峰 | Ampere force experimental device |
| CN202534235U (en) * | 2012-04-19 | 2012-11-14 | 蔡芯璐 | Quantitative research instrument for Faraday's law of electromagnetic induction |
| CN202956967U (en) * | 2012-11-07 | 2013-05-29 | 王法秀 | Electro-magnetic induction demonstrator |
| CN203941646U (en) * | 2014-07-03 | 2014-11-12 | 张新宇 | Platform is probed in Ampère force Comprehensive Experiment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448386A (en) * | 2016-11-15 | 2017-02-22 | 合肥探奥自动化有限公司 | Science-popularization assembled toy based on Ampere force |
| CN109516336A (en) * | 2018-12-29 | 2019-03-26 | 刘英辉 | The control method of linear drive apparatus, safety tongs device and elevator device |
| CN111145621A (en) * | 2020-01-10 | 2020-05-12 | 常州市武进区湖塘桥第二实验小学 | Linear electric motor teaching device and U-shaped magnet thereof |
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| CN104064089B (en) | 2016-06-08 |
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Granted publication date: 20160608 Termination date: 20180703 |
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