CN101859502A - Motor principle demonstrator - Google Patents
Motor principle demonstrator Download PDFInfo
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- CN101859502A CN101859502A CN 201010173684 CN201010173684A CN101859502A CN 101859502 A CN101859502 A CN 101859502A CN 201010173684 CN201010173684 CN 201010173684 CN 201010173684 A CN201010173684 A CN 201010173684A CN 101859502 A CN101859502 A CN 101859502A
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- rotating shaft
- magnetic field
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- motor principle
- analog magnetic
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Abstract
The invention discloses a motor principle demonstrator, belonging to the field of physical teaching equipment. The motor principle demonstrator comprises a base, a bracket, a simulation magnetic field and a rectangular coil, wherein the simulation magnetic field formed by two risers is arranged above the middle of the base; the bracket is arranged at one side of the base; a rotating shaft is arranged at the top of the bracket; one end of the rotating shaft is connected with a rocking handle; a commutator comprising two half rings is arranged at the other end of the rotating shaft, is in contact with an electric brush at the front side of the bracket and is connected with one side of the rectangular coil together; the rectangular coil is arranged in the simulation magnetic field; and a bulb is arranged on the surface at one side of the base. Compared with the prior art, the motor principle demonstrator has the characteristics of reasonable design, simple structure, easy processing, convenient operation and the like, can ensure that a student visually observes the work principle of a generator and effectively improves the teaching quality of teaching.
Description
Technical field
The present invention relates to the physics teaching apparatus field, specifically motor principle demonstrator.
Background technology
At present, when the teacher explains the alternating current content on physics lesson, be mostly to adopt real generator and recording camera.Though real generator can make bulb luminous, coil rotates speed in magnetic field very fast, and coil is cutting magnetic line how, and how the size of electric current changes, and how sense of current changes, and student difficulty observes intuitively; Though recording camera can demonstrate the sinusoidal image of alternating current, the student is difficult to the periodically variable rule of size intercropping at any time of sinusoidal image and alternating current is combined.More than two kinds of instruments in teaching, have very big limitation, be difficult to reach the purpose of improving the quality of teaching.
Summary of the invention
Technical assignment of the present invention is at above weak point, and a kind of rational in infrastructure, easy to operate motor principle demonstrator is provided.
The technical solution adopted for the present invention to solve the technical problems is: this demonstration device comprises base, support, analog magnetic field and square coil, the analog magnetic field that is made of two risers is arranged on the top, middle part of base, one side of base is provided with support, the top of support is equipped with rotating shaft, one end of rotating shaft connects rocking handle, the other end of rotating shaft is provided with the commutator that is made of two copper semi-rings, commutator contacts with the brush of support front side, one side of commutator and square coil links together, square coil is arranged in the analog magnetic field, and the opposite side surface of base is provided with bulb.
Base one side of described vertical analog magnetic direction is provided with image board, the sinusoidal curve that image board is provided with coordinate and is made of light emitting diode.
Described square coil is divided into two kinds of different colors along the direction of rotating shaft, and two kinds of color boundarys of square coil front end are provided with the arrow that is made of light emitting diode.
The riser inboard of described analog magnetic field one side is arranged with 2-5 coloured diode in parallel.
Be provided with transparent petticoat pipe between two risers of described analog magnetic field, a side of transparent petticoat pipe is provided with the rotating shaft socket that cooperates with rotating shaft, and the top of transparent petticoat pipe is provided with into mouth.
Motor principle demonstrator of the present invention is compared with prior art, have reasonable in design, simple in structure, be easy to processing, characteristics such as easy to operate, the principle of work that can make the student observe generator intuitively effectively raises teacher's quality of instruction.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Accompanying drawing is the structural representation of motor principle demonstrator.
Among the figure: 1, base, 2, bulb, 3, analog magnetic field, 4, brush, 5, support, 6, rotating shaft, 7, commutator, 8, square coil, 9, arrow, 10, image board, 11, coordinate, 12, sinusoidal curve, 13, rocking handle, 14, transparent petticoat pipe, 15, coloured diode, 16, advance mouth, 17, the rotating shaft socket.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Motor principle demonstrator of the present invention, its structure comprises base 1, support 5, analog magnetic field 3 and square coil 8, the analog magnetic field 3 that is made of two risers is arranged on the top, middle part of base 1, the riser inboard of analog magnetic field 3 one sides is arranged with two, three, four or five coloured diodes 15 in parallel, be provided with transparent petticoat pipe 14 between two risers of analog magnetic field 3, one side of transparent petticoat pipe 14 is provided with the rotating shaft socket 17 that cooperates with rotating shaft 6, and the top of transparent petticoat pipe 14 is provided with into mouth 16; One side of base 1 is provided with support 5, the top of support 5 is equipped with rotating shaft 6, one end of rotating shaft 6 connects rocking handle 13, the other end of rotating shaft 6 is provided with the commutator 7 that is made of two copper semi-rings, commutator 7 contacts with the brush 4 of support 5 front sides, commutator 7 links together with a side of square coil 8, square coil 8 is divided into two kinds of different colors along the direction of rotating shaft 6, and two kinds of color boundarys of square coil 8 front ends are provided with the arrow 9 that is made of light emitting diode, square coil 8 is arranged in the analog magnetic field 3, base 1 one sides of vertical analog magnetic field 3 directions are provided with image board 10, the sinusoidal curve 12 that image board 10 is provided with coordinate 11 and is made of light emitting diode; The opposite side surface of base 1 is provided with bulb 2.Four Battery pack groups are installed in the base 1, and a Battery pack group constitutes loops by lead and bulb 2, is provided with swept resistance in this loop, makes variations that have a resistance in rocking handle 13 rotation processes, thereby produces the electric current variation, and 2 brightness of front end bulb are changed; One Battery pack group constitutes the loop by the light emitting diode that lead and two kinds of color boundarys of square coil 8 front ends constitute arrow 9, and arrow 9 shows direction of current; One Battery pack group constitutes loop, the luminous successively final composition sinusoidal curve 12 of diode by the light emitting diode that constitutes sinusoidal curve 12 on lead and the image board 10; Coloured diode 15 of one Battery pack group and analog magnetic field 3 riser inboards constitutes the loop, demonstrates simulation magnetic line of force direction.
When demonstrating to the student, rotation crank 13, driving square coil 8 rotates in analog magnetic field 3, square coil 8 revolutions move a week, the size of electric current can change, sense of current changes twice because the effect of commutator 7 and brush 4 is corresponding, and the sinusoidal curve 12 on the image board 10 also demonstrates the size variation rule of electric current.Charge into smog in transparent petticoat pipe 14, the student can be clearly seen that coloured diode 15 sends the light of the simulation magnetic line of force, thereby understands the situation of coil cutting magnetic line in magnetic field more intuitively.
Its processing and fabricating of motor principle demonstrator of the present invention is very simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (5)
1. motor principle demonstrator, comprise base, support, analog magnetic field and square coil, the analog magnetic field that is made of two risers is arranged on the top, middle part of base, a side that it is characterized in that base is provided with support, the top of support is equipped with rotating shaft, one end of rotating shaft connects rocking handle, the other end of rotating shaft is provided with the commutator that is made of two copper semi-rings, commutator contacts with the brush of support front side, one side of commutator and square coil links together, square coil is arranged in the analog magnetic field, and the opposite side surface of base is provided with bulb.
2. motor principle demonstrator according to claim 1 is characterized in that base one side of described vertical analog magnetic direction is provided with image board, the sinusoidal curve that image board is provided with coordinate and is made of light emitting diode.
3. motor principle demonstrator according to claim 1 it is characterized in that described square coil is divided into two kinds of different colors along the direction of rotating shaft, and two kinds of color boundarys of square coil front end is provided with the arrow that is made of light emitting diode.
4. motor principle demonstrator according to claim 1 is characterized in that the riser inboard of described analog magnetic field one side is arranged with 2-5 coloured diode in parallel.
5. motor principle demonstrator according to claim 1 is characterized in that being provided with transparent petticoat pipe between two risers of described analog magnetic field, and a side of transparent petticoat pipe is provided with the rotating shaft socket that cooperates with rotating shaft, and the top of transparent petticoat pipe is provided with into mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010173684 CN101859502A (en) | 2010-05-17 | 2010-05-17 | Motor principle demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010173684 CN101859502A (en) | 2010-05-17 | 2010-05-17 | Motor principle demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101859502A true CN101859502A (en) | 2010-10-13 |
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ID=42945379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010173684 Pending CN101859502A (en) | 2010-05-17 | 2010-05-17 | Motor principle demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101859502A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143280A (en) * | 2014-06-28 | 2014-11-12 | 江苏省兴化中学 | Direct current motor demonstration teaching aid with internal resistor adjustable |
| CN103943012B (en) * | 2014-04-28 | 2016-02-10 | 蚌埠市创新科普产品工程研究中心有限公司 | Generator demonstrating model |
| CN106023769A (en) * | 2015-09-23 | 2016-10-12 | 刘绍家 | Motor and engine integrated teaching demonstration model |
| CN107633752A (en) * | 2017-09-27 | 2018-01-26 | 柳州铁道职业技术学院 | New-type electric machine teaching mode |
| CN108301694A (en) * | 2018-03-31 | 2018-07-20 | 浙江安尔安防科技有限公司 | A kind of electronic lock of sustainable power supply |
| CN108898928A (en) * | 2018-08-28 | 2018-11-27 | 常州大学怀德学院 | A kind of Physical Experiment apparatus for demonstrating |
| CN109444135A (en) * | 2018-10-29 | 2019-03-08 | 东北大学 | A kind of coil protection observation device |
| CN109727515A (en) * | 2019-03-06 | 2019-05-07 | 张嘉馨 | A kind of magnetic line of force and the visual generator model of current direction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260359Y (en) * | 1996-02-15 | 1997-08-20 | 江成奎 | Imitating demonstration instrument for alternating current |
| CN2472291Y (en) * | 2001-02-26 | 2002-01-16 | 张永晓 | A.C. power generator model |
| CN2684301Y (en) * | 2003-12-02 | 2005-03-09 | 江成奎 | AC principle explaining device |
| RU2273056C1 (en) * | 2004-10-11 | 2006-03-27 | Военно-космическая академия имени А.Ф. Можайского | Plant for studying field of electric and magnetic dipoles |
| CN201725470U (en) * | 2010-05-17 | 2011-01-26 | 江成奎 | Electric engine principle demonstrator |
-
2010
- 2010-05-17 CN CN 201010173684 patent/CN101859502A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260359Y (en) * | 1996-02-15 | 1997-08-20 | 江成奎 | Imitating demonstration instrument for alternating current |
| CN2472291Y (en) * | 2001-02-26 | 2002-01-16 | 张永晓 | A.C. power generator model |
| CN2684301Y (en) * | 2003-12-02 | 2005-03-09 | 江成奎 | AC principle explaining device |
| RU2273056C1 (en) * | 2004-10-11 | 2006-03-27 | Военно-космическая академия имени А.Ф. Можайского | Plant for studying field of electric and magnetic dipoles |
| CN201725470U (en) * | 2010-05-17 | 2011-01-26 | 江成奎 | Electric engine principle demonstrator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943012B (en) * | 2014-04-28 | 2016-02-10 | 蚌埠市创新科普产品工程研究中心有限公司 | Generator demonstrating model |
| CN104143280A (en) * | 2014-06-28 | 2014-11-12 | 江苏省兴化中学 | Direct current motor demonstration teaching aid with internal resistor adjustable |
| CN106023769A (en) * | 2015-09-23 | 2016-10-12 | 刘绍家 | Motor and engine integrated teaching demonstration model |
| CN107633752A (en) * | 2017-09-27 | 2018-01-26 | 柳州铁道职业技术学院 | New-type electric machine teaching mode |
| CN107633752B (en) * | 2017-09-27 | 2023-12-26 | 柳州铁道职业技术学院 | Motor teaching model |
| CN108301694A (en) * | 2018-03-31 | 2018-07-20 | 浙江安尔安防科技有限公司 | A kind of electronic lock of sustainable power supply |
| CN108898928A (en) * | 2018-08-28 | 2018-11-27 | 常州大学怀德学院 | A kind of Physical Experiment apparatus for demonstrating |
| CN109444135A (en) * | 2018-10-29 | 2019-03-08 | 东北大学 | A kind of coil protection observation device |
| CN109727515A (en) * | 2019-03-06 | 2019-05-07 | 张嘉馨 | A kind of magnetic line of force and the visual generator model of current direction |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101013 |