CN106971655A - Ampere force experiment device for teaching - Google Patents
Ampere force experiment device for teaching Download PDFInfo
- Publication number
- CN106971655A CN106971655A CN201710315314.4A CN201710315314A CN106971655A CN 106971655 A CN106971655 A CN 106971655A CN 201710315314 A CN201710315314 A CN 201710315314A CN 106971655 A CN106971655 A CN 106971655A
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- CN
- China
- Prior art keywords
- conductiving slide
- experimental box
- fixed
- ampere force
- stress metal
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
The present invention provides a kind of Ampere force experiment device for teaching, the inner cavity chamber of experimental box bottom of the present invention is evenly arranged with magnet coil and a raw field ionization source, experimental box bottom panel is fixedly connected one end of support spring by connector, and the other end of support spring is fixed on experiment pedestal；Experimental box top panel is placed in parallel 2 conductiving slide rails, and described conductiving slide rail is fixed by mobile fixture in both sides；Stress metal bar and two conductiving slide rails are vertically disposed on two conductiving slide rails, described stress metal bar is provided with length scale line, the middle part of stress metal bar connects one end of two chest expanders by two drawstrings respectively, and the other end of two chest expanders is separately fixed on fixed substrate；Power supply, wire, swept resistance are further fixed on experimental box.The Ampere force experiment device for teaching can change Ampere force generation each refer to physical quantity, comprehensive checking ampere theory of mechanics.
Description
Technical field
The present invention relates to a kind of teaching field device, it is especially a kind of can be with the ampere of comprehensive checking ampere theory of mechanics
Power experiment device for teaching.
Background technology
Ampere force is switched on the active force that wire is subject in magnetic field.By French physician, A amperes pass through reality first
Test determination.It can be expressed as：Length using current strength as I is L straight wire, is placed in the uniform external magnetic field that magnetic induction intensity is B
In, then the size for the Ampere force that wire is subject to is f=IBLsin α, and α is between the sense of current and the B directions in wire in formula
Angle, f, L, I and B unit are respectively N, m, A and T.The direction of Ampere force is perpendicular to true by electrified wire and magnetic direction institute
Judged between fixed plane, and the direction of I, B and F three by left hand rule.The peace that arbitrary shape wire is subject in uniform magnetic field
Power is trained, the vector for the Ampere force that unlimited multi straight current elements I Δs L is subject in magnetic field can be regarded as.Traditional Ampere force teaching
Experimental facilities is used only for demonstrating object receiving force phenomenon, it is impossible to actual verification Ampere force theory of mechanics.
The content of the invention
In order to overcome the shortcomings of that existing technology is present, the present invention provides a kind of Ampere force experiment device for teaching, the ampere
Power experiment device for teaching can change Ampere force generation each refer to physical quantity, comprehensive checking ampere theory of mechanics.
The technical solution adopted for the present invention to solve the technical problems is：The present invention includes experimental box, power supply, slides electricity
Resistance, wire, conductiving slide rail, stress metal bar, fixed substrate, chest expander, drawstring, mobile fixture, raw field ionization source, electromagnetic wire
Circle, support spring, experiment pedestal, connector.The inner cavity chamber of experimental box bottom is evenly arranged with magnet coil and a raw field electricity
Source, experimental box bottom panel is fixedly connected one end of support spring by connector, and the other end of support spring is fixed on reality
Test on pedestal；Experimental box top panel is placed in parallel 2 conductiving slide rails, and described conductiving slide rail is by moving fixture in both sides
It is fixed；Stress metal bar and two conductiving slide rails are vertically disposed on two conductiving slide rails, are set on described stress metal bar
There is length scale line, the middle part of stress metal bar connects one end of two chest expanders, two chest expanders by two drawstrings respectively
Other end be separately fixed on fixed substrate；It is further fixed on power supply, wire, swept resistance on experimental box, described power supply,
Swept resistance passes through wire and conductiving slide rail, stress metal bar, conductiving slide rail successively electrical series.
Further, described mobile fixture material is ferrous metal.
Further, described experimental box enclosure material is plastics.
Further, the material of described conductiving slide rail is conducting metal.
Further, described drawstring is inelastic nylon material.
The beneficial effects of the invention are as follows, thus it is possible to vary each of Ampere force generation refers to physical quantity, comprehensive checking peace
Train theory of mechanics.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic top plan view of Ampere force experiment device for teaching embodiment construction.
Fig. 2 is the schematic side view of Ampere force experiment device for teaching embodiment construction.
In figure
1st, experimental box
2nd, power supply
3rd, swept resistance
4th, wire
5th, conductiving slide rail
6th, stress metal bar
7th, fixed substrate
8th, chest expander
9th, drawstring
10th, mobile fixture
11st, raw field ionization source
12nd, magnet coil
13rd, support spring
14th, pedestal is tested
15th, connector
Embodiment
In Fig. 1 and 2 illustrated embodiments, the present invention includes experimental box 1, power supply 2, swept resistance 3, wire 4, conductiving slide rail
5th, stress metal bar 6, fixed substrate 7, chest expander 8, drawstring 9, mobile fixture 10, raw field ionization source 11, magnet coil 12, support
Spring 13, experiment pedestal 14, connector 15.Wherein, the inner cavity chamber of the bottom of experimental box 1 is evenly arranged with magnet coil 12 and one
Raw field ionization source 11, the bottom panel of experimental box 1 is fixedly connected one end of support spring 13 by connector 15, support spring 13 it is another
Outer one end is fixed on experiment pedestal 14；The top panel of experimental box 1 is placed in parallel 2 conductiving slide rails 5, described conductiving slide rail 5
Fixed by mobile fixture 10 in both sides；Stress metal bar 6 and two conductiving slide rails 5 are vertically disposed in two conductiving slide rails
On 5, described stress metal bar 6 is provided with length scale line, and the middle part of stress metal bar 6 is connected respectively by two drawstrings 9
One end of two chest expanders 8, the other end of two chest expanders 8 is separately fixed on fixed substrate 7；Also fixed on experimental box 1
There are power supply 2, wire 4, a swept resistance 3, described power supply 2, swept resistance 3 pass through wire 4 and conductiving slide rail 5, stress metal bar
6th, the electrical series successively of conductiving slide rail 5.In a particular embodiment, the described material of mobile fixture 10 is ferrous metal.Specific
In embodiment, the described enclosure material of experimental box 1 is plastics.In a particular embodiment, the material of described conductiving slide rail 5 is to lead
Electric metal.In a particular embodiment, described drawstring 9 is inelastic nylon material.
When it is implemented, when verifying ampere theory of mechanics, the magnet coil 12 of the bottom of experimental box 1 can be produced uniformly
Magnetic field, it is theoretical according to Ampere force after power supply 2, swept resistance 3, wire 4, conductiving slide rail 5, the closing of circuit of stress metal bar 6,
The stress metal bar 6 for having current flowing is acted in magnetic field by Ampere force, according to Newtonian mechanics, the ampere of stress metal bar 6
Power is equal to stress metal bar 6 to the pulling force of drawstring 9, is also equal to pulling force of the drawstring 9 to chest expander 8, can be with by two chest expanders 8
Directly show stress of the stress metal bar 6 in magnetic field.
In the specific implementation, the length using current strength as I is L straight conductor, and it is the uniform outer of B to be placed in magnetic induction intensity
In magnetic field, if α is the angle between the sense of current in wire 4 and B directions, f, L, I and B in Ampere force f=IBLsin α, formula
Unit be respectively N, m, A and T.
In the specific implementation, each produced in change Ampere force refers to physical quantity and then comprehensive checking ampere mechanics
When, it can change the effective galvanization distance of stress metal bar 6 by changing the distance between two conductiving slide rails 5, that is, change f=
L physical quantitys in IBLsin α.
In the specific implementation, electric current can be adjusted by adjusting the resistance value of swept resistance 3, and then changes f=
I physical quantitys in IBLsin α.
In the specific implementation, pass through regulation or replace raw field ionization source, thus it is possible to vary electric current that magnet coil 12 circulates and then
Change electromagnetic field intensity, and then change the B physical quantitys in f=IBLsin α.It is also possible to change stress metal bar 6 with leading
The angle of electric slide rail 5, and then change the α physical quantitys in f=IBLsin α.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence or essential feature without departing from its spirit
Case is realized.
Embodiment disclosed above, for each side, is all merely illustrative, and is not only.It is all this
It is included in the invention in the change being equal in the scope of the present invention in invention scope or.
Claims (5)
1. a kind of Ampere force experiment device for teaching, including experimental box, power supply, swept resistance, wire, conductiving slide rail, stress metal
Rod, raw field ionization source, magnet coil, it is characterized in that：Also include fixed substrate, chest expander, drawstring, mobile fixture, support spring,
Pedestal, connector are tested, the inner cavity chamber of experimental box bottom is evenly arranged with magnet coil and a raw field ionization source, experimental box bottom
Panel is fixedly connected one end of support spring by connector, and the other end of support spring is fixed on experiment pedestal；Experiment
Box top panel parallel places 2 conductiving slide rails, and described conductiving slide rail is fixed by mobile fixture in both sides；Stress metal
Rod and two conductiving slide rails are vertically disposed on two conductiving slide rails, and described stress metal bar is provided with length scale line,
The middle part of stress metal bar connects one end of two chest expanders, the other end difference of two chest expanders by two drawstrings respectively
It is fixed on fixed substrate；It is further fixed on power supply, wire, swept resistance on experimental box, described power supply, swept resistance are by leading
Line and conductiving slide rail, stress metal bar, conductiving slide rail successively electrical series.
2. a kind of Ampere force experiment device for teaching according to claim 1, it is characterized in that：Described mobile fixture material
For ferrous metal.
3. a kind of Ampere force experiment device for teaching according to claim 1, it is characterized in that：Described experimental box enclosure material
For plastics.
4. a kind of Ampere force experiment device for teaching according to claim 1, it is characterized in that：The material of described conductiving slide rail
For conducting metal.
5. a kind of Ampere force experiment device for teaching according to claim 1, it is characterized in that：Described drawstring is inelastic
Nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315314.4A CN106971655A (en) | 2017-05-08 | 2017-05-08 | Ampere force experiment device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315314.4A CN106971655A (en) | 2017-05-08 | 2017-05-08 | Ampere force experiment device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106971655A true CN106971655A (en) | 2017-07-21 |
Family
ID=59330440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315314.4A Pending CN106971655A (en) | 2017-05-08 | 2017-05-08 | Ampere force experiment device for teaching |
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| Country | Link |
|---|---|
| CN (1) | CN106971655A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766155A (en) * | 2018-08-09 | 2018-11-06 | 浙江大学城市学院 | The parallel copper rod stress demonstrating of two energization of one kind and quantitative measurment experiment instrument |
| CN108877434A (en) * | 2018-07-03 | 2018-11-23 | 张涵森 | A kind of Ampere force experiment device for teaching |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205377U (en) * | 2011-08-10 | 2012-04-25 | 浙江胜昔信息科技有限公司 | Ampere force experimental device |
| CN202487046U (en) * | 2012-03-27 | 2012-10-10 | 浙江科技学院 | Ampere force teaching experimental device |
| US8421569B1 (en) * | 2011-12-02 | 2013-04-16 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Magnetic field generator for measuring immunity of eletronic devices to electromagnetic fields |
| CN103903498A (en) * | 2014-04-21 | 2014-07-02 | 石小明 | Ampere force experimental control device |
-
2017
- 2017-05-08 CN CN201710315314.4A patent/CN106971655A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205377U (en) * | 2011-08-10 | 2012-04-25 | 浙江胜昔信息科技有限公司 | Ampere force experimental device |
| US8421569B1 (en) * | 2011-12-02 | 2013-04-16 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Magnetic field generator for measuring immunity of eletronic devices to electromagnetic fields |
| CN202487046U (en) * | 2012-03-27 | 2012-10-10 | 浙江科技学院 | Ampere force teaching experimental device |
| CN103903498A (en) * | 2014-04-21 | 2014-07-02 | 石小明 | Ampere force experimental control device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877434A (en) * | 2018-07-03 | 2018-11-23 | 张涵森 | A kind of Ampere force experiment device for teaching |
| CN108766155A (en) * | 2018-08-09 | 2018-11-06 | 浙江大学城市学院 | The parallel copper rod stress demonstrating of two energization of one kind and quantitative measurment experiment instrument |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
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| RJ01 | Rejection of invention patent application after publication |