CN204102385U - A kind of Physical Experiment teaching aid - Google Patents
A kind of Physical Experiment teaching aid Download PDFInfo
- Publication number
- CN204102385U CN204102385U CN201420593994.8U CN201420593994U CN204102385U CN 204102385 U CN204102385 U CN 204102385U CN 201420593994 U CN201420593994 U CN 201420593994U CN 204102385 U CN204102385 U CN 204102385U
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- CN
- China
- Prior art keywords
- commutator
- square coil
- teaching aid
- slide
- metallic conductor
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model discloses a kind of Physical Experiment teaching aid, comprise base 1, be arranged on the direct supply 2 on base 1, reometer 3, slide rheostat 4, single-pole switch 5, also comprise U-shaped magnet 11, square coil 12 and commutator 10, the magnetic field that described square coil 12 is positioned at described U-shaped magnet 11 is inner, described commutator 10 is the metallic conductor 1001 of two pieces of mutually insulateds, 1002 right cylinders combined, described metallic conductor 1001, 1002 shapes be integrated for right cylinder and semicylinder, square coil 12 disconnects a metallic conductor of drawing two ends and connecting commutator 10 separately near the side of commutator 10, the both sides of described commutator 10 axis be arranged in parallel two slide bars 6, described slide bar 6 arranges slide block 7, described slide block 7 arranges the brush 8 contacted with described commutator 10.The structural design of commutator, allows student not only can be familiar with commutator, and its principle of energy profound understanding; By slide rheostat, guiding student thinking affects the initial concept of energy size.
Description
Technical field
The utility model relates to a kind of Physical Experiment teaching aid, particularly relates to the experiment teaching aid of a kind of electric energy and mechanical energy conversion.
Background technology
In physics teaching, the conversion of electric energy and mechanical energy is comparatively abstract, need to demonstrate by experiment teaching aid, student could be allowed better to understand the ultimate principle of electric energy and mechanical energy conversion, teaching aid in practice is comparatively simple, usually in magnetic field, put into the coil of closed-loop path, demonstrate the motion of reometer during cutting magnetic line, or the motion of stationary coil in magnetic field when powering up, carry out demonstrating electromagnetic induction phenomenon, more directly can not demonstrate the concrete utilization of electric energy and mechanical energy conversion, teaching needs can not be met.
Summary of the invention
The utility model provides the Physical Experiment teaching aid that a kind of electric energy is converted to mechanical energy, mechanical energy is converted to electric energy.
The technical solution of the utility model comprises base 1, be arranged on the direct supply 2 on base 1, reometer 3, slide rheostat 4, single-pole switch 5, this teaching aid also comprises U-shaped magnet 11, square coil 12 and commutator 10, described U-shaped magnet 11 two stage vertical is arranged on base 1, the magnetic field that described square coil 12 is positioned at described U-shaped magnet 11 is inner, described commutator 10 is the metallic conductor 1001 of two pieces of mutually insulateds, 1002 right cylinders combined, described metallic conductor 1001, 1002 shapes be integrated for right cylinder and semicylinder, described square coil 12 disconnects a metallic conductor of drawing two ends and connecting commutator 10 separately near the side of commutator 10, described square coil 12 and described commutator 10 are supported by the support 9 be fixed on base 1 and rotate, the both sides of described commutator 10 axis be arranged in parallel two slide bars 6, described slide bar 6 arranges slide block 7, described slide block 7 arranges the brush 8 contacted with described commutator 10.
Described square coil 12 connects belt gear 13 in the side that commutator 10 is relative.
Described belt gear 13 is made up of driving wheel 1301, engaged wheel 1302, belt 1303 and frame 1304, described driving wheel 1301 is supported by described support 9, described driving wheel 1301 is connected with described square coil 12 by coupling arrangement, described engaged wheel 1302 is arranged in frame 1304, and described engaged wheel 1302 arranges rotating operation bar 1305.
The beneficial effects of the utility model are: not only in same teaching aid, achieve the experiment that electric energy is converted to mechanical energy, can demonstrate the experiment that mechanical energy is converted to electric energy simultaneously; The structural design of commutator, allows student not only can be familiar with commutator, is adjusted the contact position of brush and commutator, demonstrate different experimental results, its principle of the understanding making student more deep by sliding slider; By slide rheostat, guiding student thinking affects the initial concept of energy size.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is commutator stereographic map of the present utility model.
Fig. 3 is the schematic diagram of the first way of contact of commutator segment of the present utility model.
Fig. 4 is the schematic diagram of commutator segment the second of the present utility model way of contact.
In figure: 1, base, 2, direct supply, 3, reometer, 4, slide rheostat, 5, single-pole switch, 6, slide bar, 7, slide block, 8, brush, 9, support, 10, commutator, 1001,1002, metallic conductor, 11, U-shaped magnet, 12, square coil, 13, belt gear, 1301, driving wheel, 1302, engaged wheel, 1303, belt, 1304, frame, 1305, rotating operation bar.
Embodiment
As shown in Figure 1, of the present utility modelly comprise base 1, be arranged on the direct supply 2 on base 1, reometer 3, slide rheostat 4, single-pole switch 5, this teaching aid also comprises U-shaped magnet 11, square coil 12 and commutator 10, U-shaped magnet 11 two stage vertical is arranged on base 1, form magnetic field, square coil 12 is inner through the magnetic field of U-shaped magnet 11, commutator 10 is the metallic conductor 1001 of two pieces of mutually insulateds, 1002 right cylinders combined, metallic conductor 1001, 1002 shapes be integrated for right cylinder and semicylinder, as shown in Figure 2, two pieces of metallic conductors 1001, 1002 combine as cylindrical shape, but be insulation each other, square coil 12 disconnects a metallic conductor of drawing two ends and connecting commutator 10 separately near the side of commutator 10, square coil 12 and commutator 10 are supported by the support 9 be fixed on base 1 and rotate, the both sides of commutator 10 axis be arranged in parallel two slide bars 6, usual slide bar 6 is fixedly mounted on base 1, slide bar 6 is arranged slide block 7, slide block 7 arranges the brush 8 contacted with commutator 10.During experiment, by wire, direct supply 2, reometer 3, slide rheostat 4, single-pole switch 5, brush 8 are together in series, commutator 10 is connected separately by two brushes 8, commutator 10 connects square coil 12 and forms loop, power up to direct supply 2, composition direct current motor teaching aid, demonstrates the process that electric energy is converted to mechanical energy.
Belt gear 13 is connected in the side that commutator 10 is relative at square coil 12.
Belt gear 13 is made up of driving wheel 1301, engaged wheel 1302, belt 1303 and frame 1304, driving wheel 1301 is supported by support 9, driving wheel 1301 is connected with square coil 12 by coupling arrangement, engaged wheel 1302 is arranged in frame 1304, and engaged wheel 1302 arranges rotating operation bar 1305.
Electric energy is converted to mechanical energy embodiment.
As shown in Figure 3, the brush 8 driven by two slide blocks 7 slides into the position with the edge contact of commutator 10 respectively, the commutator 10 that now each brush 8 contacts is the as a whole part of whole circumference, connects direct supply 2 and single-pole switch 5, observes the motion of square coil 12 in magnetic field.
As shown in Figure 4, the brush 8 driven by two slide blocks 7 slides into the position with Contact in commutator 10 respectively, the commutator 10 that now each brush 8 contacts is the part of the circumference of two semicircle compositions, due to mutually insulated between semicircle, when a brush 8 is when touching the commutator segment of a semicircle, the commutator segment of the semicircle touched with another brush 8 insulate, and connects direct supply 2 and single-pole switch 5, observes the motion of square coil 12 in magnetic field.
In this teaching aid, introduce slide rheostat 4, by transformation resistance resistance, observe the speed that coil rotates.
Mechanical energy is converted to the embodiment of electric energy.
Shown in Fig. 3, respectively slide block 7 is slided into shown position, carry out following experimental implementation.
Remove direct supply 2, reometer 3, slide rheostat 4, single-pole switch 5, brush 8 are together in series, connect commutator 10 by brush 8 with wire, commutator 10 connects square coil 12 and forms loop.
Driving wheel 1301 and square coil 12 are connected by coupling arrangement, when ensureing that driving wheel 1301 rotates, square coil 12 rotates simultaneously, by operating the rotation of engaged wheel 1302, drive driving wheel 1301 to rotate, thus drive square coil 12 to rotate in magnetic field, observe the sensing of reometer 3.
Transformation resistance resistance, observes the change of reometer 3 numerical value.
Shown in Fig. 4, respectively slide block 7 is slided into shown position, repeat aforesaid operations, observe the sensing of reometer 3 and the change of numerical value.
Should be understood that, above-mentioned embodiment of the present utility model only for exemplary illustration or explain principle of the present utility model, and is not formed restriction of the present utility model.Therefore, any amendment made when not departing from spirit and scope of the present utility model, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.In addition, the utility model claims be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (3)
1. a Physical Experiment teaching aid, comprise base (1), be arranged on the direct supply (2) on base (1), reometer (3), slide rheostat (4), single-pole switch (5), it is characterized in that: this teaching aid also comprises U-shaped magnet (11), square coil (12) and commutator (10), described U-shaped magnet (11) two stage vertical is arranged on base (1), the magnetic field that described square coil (12) is positioned at described U-shaped magnet (11) is inner, described commutator (10) is the metallic conductor (1001 of two pieces of mutually insulateds, 1002) right cylinder combined, described metallic conductor (1001, 1002) be shape that right cylinder and semicylinder are integrated, described square coil (12) disconnects a metallic conductor of drawing two ends and connecting commutator (10) separately near the side of commutator (10), described square coil (12) and described commutator (10) are supported by the support (9) be fixed on base (1) and rotate, the axial both sides of described commutator (10) be arranged in parallel two slide bars (6), described slide bar (6) arranges slide block (7), the brush (8) contacted with described commutator (10) is above set at described slide block (7).
2. Physical Experiment teaching aid according to claim 1, is characterized in that: described square coil (12) connects belt gear (13) in the side that commutator (10) is relative.
3. Physical Experiment teaching aid according to claim 2, it is characterized in that: described belt gear (13) is by driving wheel (1301), engaged wheel (1302), belt (1303) and frame (1304) composition, described driving wheel (1301) is supported by described support (9), described driving wheel (1301) is connected with described square coil (12) by coupling arrangement, described engaged wheel (1302) is arranged in frame (1304), described engaged wheel (1302) arranges rotating operation bar (1305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593994.8U CN204102385U (en) | 2014-10-06 | 2014-10-06 | A kind of Physical Experiment teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593994.8U CN204102385U (en) | 2014-10-06 | 2014-10-06 | A kind of Physical Experiment teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204102385U true CN204102385U (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420593994.8U Expired - Fee Related CN204102385U (en) | 2014-10-06 | 2014-10-06 | A kind of Physical Experiment teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204102385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108074455A (en) * | 2018-02-05 | 2018-05-25 | 唐守平 | A kind of Experiments of Electromagnetism multifunction demonstrator |
| CN109785716A (en) * | 2017-11-11 | 2019-05-21 | 广东联力科技有限公司 | Magnetic force power generation demonstration teaching aid |
-
2014
- 2014-10-06 CN CN201420593994.8U patent/CN204102385U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785716A (en) * | 2017-11-11 | 2019-05-21 | 广东联力科技有限公司 | Magnetic force power generation demonstration teaching aid |
| CN108074455A (en) * | 2018-02-05 | 2018-05-25 | 唐守平 | A kind of Experiments of Electromagnetism multifunction demonstrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20151006 |
|
| EXPY | Termination of patent right or utility model |