CN203573540U - Electrostatic induction machine teaching aid - Google Patents
Electrostatic induction machine teaching aid Download PDFInfo
- Publication number
- CN203573540U CN203573540U CN201320661137.2U CN201320661137U CN203573540U CN 203573540 U CN203573540 U CN 203573540U CN 201320661137 U CN201320661137 U CN 201320661137U CN 203573540 U CN203573540 U CN 203573540U
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- induction machine
- electrostatic induction
- organic glass
- electric
- electric discharge
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Abstract
The utility model discloses an electrostatic induction machine teaching aid that comprises a base on which a bracket, a left Leyden jar and a right Leyden jar. The bracket is rotatably connected with an induction machine rotating disc which is driven by a driving device. The left Leyden jar is provided with an electric discharging fork rod. The right Leyden rod is provided with an electric receiving rod. The tail ends of the electric discharging fork rod and the electric receiving rod are respectively sleeved by an electric discharging fork insulating handle of which the front end is provided with an electric discharging small sphere. The bracket is provided with an electric brush rod. An end of the electric brush rod is connected with a neutralizing electric brush which contacts with a polymethylmethacrylate surface. The external surface of each polymethylmethacrylate piece is provided with conductive material spraying tanks. The conductive material spraying tanks are uniformly distributed around a circle center in the circumferential direction of the polymethylmethacrylate. A conductive layer is sprayed in each conductive material spraying tank. According to the electrostatic induction machine teaching aid, a conductive layer replaces an aluminum sheet which is adhibited in the existing electrostatic induction machine, and high firmness of the coating is realized. Aluminum sheet falling caused by repeated friction between the electric brush and the aluminum sheet can be prevented, and long service life of the electrostatic induction machine is ensured.
Description
Technical field
The utility model relates to a kind of teaching aid, relates in particular to a kind of electrostatic induction machine teaching aid.
Background technology
At present; in high school physics mechanics course; teacher need to lecture electrostatic phenomenon relative theory to student; because traditional oral teaching efficiency is not satisfactory; therefore; teacher often can use electrostatic induction machine teaching aid to demonstrate when giving lessons, and to improve the quality of teaching, cultivates student's learning interest.At present, conventional Backflushing movement demonstrating device comprises base, support, left Leyden jar and right Leyden jar are installed on base, on support, are rotatably connected to by two blocks of circular organic glass and stack the induction machine rotating disc forming, between two blocks of organic glass, be provided with space.The drive unit that two blocks of organic glass are comprised of handwheel, belt pulley and belt drives.Every organic glass outside surface all posts aluminium flake, and aluminium flake is symmetrical centered by the center of circle.On left Leyden jar, be provided with electric discharge fork arm, on right Leyden jar, be provided with trolley pole, electric discharge fork arm and trolley pole tail end are all arranged with discharger that front end the is provided with electric discharge bead handle that insulate, on support, be provided with brush pole, during brush pole end is connected with and brush, in and brush and organic glass Surface Contact.
Existing electrostatic induction machine teaching aid in long-term use procedure, due in and the friction repeatedly of brush and aluminium flake, very easily there is aluminium flake obscission, cause electrostatic induction machine to use.In addition, existing electrostatic induction machine only can be demonstrated electric discharge phenomena in use, and function is comparatively single.
Utility model content
The purpose of this utility model is to provide a kind of electrostatic induction machine teaching aid, in can avoiding and brush and aluminium flake repeatedly causing aluminium flake obscission in friction process, guarantee the serviceable life of electrostatic induction machine.
The utility model adopts following technical proposals:
A kind of electrostatic induction machine teaching aid, comprise the base that support, left Leyden jar and right Leyden jar are installed, on support, be rotatably connected to by two blocks of circular organic glass and stack the induction machine rotating disc forming, between two blocks of organic glass, be provided with space, the drive unit that two blocks of organic glass are comprised of handwheel, belt pulley and belt drives; On left Leyden jar, be provided with electric discharge fork arm, on right Leyden jar, be provided with trolley pole, electric discharge fork arm and trolley pole tail end are all arranged with discharger that front end the is provided with electric discharge bead handle that insulate, on support, be provided with brush pole, during brush pole end is connected with and brush, in and brush and organic glass Surface Contact, described every organic glass outside surface is provided with conductive material spraying groove, conductive material spraying groove is uniformly distributed along organic glass circumferencial direction centered by the center of circle, in conductive material spraying groove, is coated with conductive layer.
Also comprise lightning rod presentation device of theory, it is most advanced and sophisticated copper wire that lightning rod presentation device of theory adopts front end, the tail end of copper wire is fixed in cylindrical stationary installation, cylindrical stationary installation outside surface is provided with external thread, be set on the electric discharge bead of discharger insulation handle front end setting of electric discharge fork arm or trolley pole and be provided with mounting hole, mounting hole inside surface is provided with the internal thread coordinating with cylindrical stationary installation outside surface external thread.
Described conductive layer is aluminium conductive layer.
The utility model is by arranging conductive material spraying groove at every organic glass outside surface, conductive material spraying groove is uniformly distributed along organic glass circumferencial direction centered by the center of circle, in conductive material spraying groove, be coated with conductive layer, substitute the aluminium flake of pasting in existing electrostatic induction machine, coating is firm, in can avoiding and brush and aluminium flake repeatedly causing aluminium flake obscission in friction process, guarantee the serviceable life of electrostatic induction machine.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that is provided with the electric discharge bead of lightning rod presentation device of theory.
Embodiment
As shown in Figure 1, the utility model comprises the base 4 that support 1, left Leyden jar 2 and right Leyden jar 3 are installed, on support 1, be rotatably connected to by two blocks of circular organic glass and stack the induction machine rotating disc 5 forming, between two blocks of organic glass, be provided with space, the drive unit that two blocks of organic glass are comprised of handwheel, belt pulley 6 and belt drives; On left Leyden jar 2, be provided with electric discharge fork arm 7, on right Leyden jar 3, be provided with trolley pole 8, electric discharge fork arm 7 and trolley pole 8 tail ends are all arranged with front end and are provided with the discharger insulation handle 10 of electric discharge bead 9, on support 1, be provided with brush pole 11, during brush pole 11 ends are connected with and brush 12, in and brush 12 and organic glass Surface Contact.Every organic glass outside surface of the utility model is provided with conductive material spraying groove 13, and conductive material spraying groove 13 is uniformly distributed along organic glass circumferencial direction centered by the center of circle, in conductive material spraying groove 13, is coated with conductive layer.The utility model adopts the conductive layer of spraying to substitute the aluminium flake of pasting in existing electrostatic induction machine, has advantages of that coating is firm, long service life, has overcome original aluminium flake and has pasted the shortcoming easily coming off.In the utility model, conductive layer is aluminium conductive layer.
In order to change the defect of function singleness, the utility model has also been set up lightning rod presentation device of theory, for carrying out lightning rod principle demonstration.It is the copper wire 15 at tip 14 that lightning rod presentation device of theory adopts front end, the tail end of copper wire 15 is fixed in cylindrical stationary installation 16, cylindrical stationary installation 16 outside surfaces are provided with external thread, be set on the electric discharge bead 9 of discharger insulation handle 10 front end settings of electric discharge fork arm 7 or trolley pole 8 and be provided with mounting hole, mounting hole inside surface is provided with the internal thread coordinating with cylindrical stationary installation 16 outside surface external threads.During demonstration, first stop shaking electrostatic induction machine, then the electric discharge bead 9 of two discharger insulation handles, 10 front end settings is contacted, the positive and negative charge neutralization that makes to discharge on bead 9; Then the cylindrical stationary installation 16 that is fixed with copper wire 15 is threaded with mounting hole, and makes the front end of copper wire 15 apart from another electric discharge bead 910mm left and right.Finally, at shake electrostatic induction machine, now between two Metal Ball, no longer produce spark.Due to electric discharge bead 9 on electric charge be easy to from the tip of anything 14 parts escape, on the bead 9 that makes to discharge, can not accumulate a large amount of electric charges, therefore can not produce electric discharge phenomena.Front end is that the copper wire 15 at tip 14 can be used for simulating lightning rod, demonstrates the result of use of lightning rod to student, has greatly improved teaching efficiency, has enriched of the present utility model functional.
Claims (3)
1. an electrostatic induction machine teaching aid, comprise the base that support, left Leyden jar and right Leyden jar are installed, on support, be rotatably connected to by two blocks of circular organic glass and stack the induction machine rotating disc forming, between two blocks of organic glass, be provided with space, the drive unit that two blocks of organic glass are comprised of handwheel, belt pulley and belt drives; On left Leyden jar, be provided with electric discharge fork arm, on right Leyden jar, be provided with trolley pole, electric discharge fork arm and trolley pole tail end are all arranged with discharger that front end the is provided with electric discharge bead handle that insulate, on support, be provided with brush pole, during brush pole end is connected with and brush, in and brush and organic glass Surface Contact, it is characterized in that: described every organic glass outside surface is provided with conductive material spraying groove, conductive material spraying groove is uniformly distributed along organic glass circumferencial direction centered by the center of circle, in conductive material spraying groove, is coated with conductive layer.
2. electrostatic induction machine teaching aid according to claim 1, it is characterized in that: also comprise lightning rod presentation device of theory, it is most advanced and sophisticated copper wire that lightning rod presentation device of theory adopts front end, the tail end of copper wire is fixed in cylindrical stationary installation, cylindrical stationary installation outside surface is provided with external thread, be set on the electric discharge bead of discharger insulation handle front end setting of electric discharge fork arm or trolley pole and be provided with mounting hole, mounting hole inside surface is provided with the internal thread coordinating with cylindrical stationary installation outside surface external thread.
3. electrostatic induction machine teaching aid according to claim 2, is characterized in that: described conductive layer is aluminium conductive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661137.2U CN203573540U (en) | 2013-10-25 | 2013-10-25 | Electrostatic induction machine teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661137.2U CN203573540U (en) | 2013-10-25 | 2013-10-25 | Electrostatic induction machine teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573540U true CN203573540U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320661137.2U Expired - Fee Related CN203573540U (en) | 2013-10-25 | 2013-10-25 | Electrostatic induction machine teaching aid |
Country Status (1)
| Country | Link |
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| CN (1) | CN203573540U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160968A (en) * | 2015-08-22 | 2015-12-16 | 齐齐哈尔大学 | Method for manufacturing electrostatic power machine |
| CN108039099A (en) * | 2017-12-29 | 2018-05-15 | 谢宗泰 | A kind of multi-functional physical mechanics experiment device for teaching |
| CN110661444A (en) * | 2019-09-27 | 2020-01-07 | 北京纳米能源与系统研究所 | Sustainable high-voltage source based on friction nano generator and application thereof |
| CN111215301A (en) * | 2020-02-14 | 2020-06-02 | 山东富驰精密机械科技有限公司 | Method for spraying friction material of rotor of piezoelectric actuator and spraying tool |
-
2013
- 2013-10-25 CN CN201320661137.2U patent/CN203573540U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160968A (en) * | 2015-08-22 | 2015-12-16 | 齐齐哈尔大学 | Method for manufacturing electrostatic power machine |
| CN105160968B (en) * | 2015-08-22 | 2017-09-15 | 齐齐哈尔大学 | A kind of method for making electrostatic power machine |
| CN108039099A (en) * | 2017-12-29 | 2018-05-15 | 谢宗泰 | A kind of multi-functional physical mechanics experiment device for teaching |
| CN110661444A (en) * | 2019-09-27 | 2020-01-07 | 北京纳米能源与系统研究所 | Sustainable high-voltage source based on friction nano generator and application thereof |
| CN111215301A (en) * | 2020-02-14 | 2020-06-02 | 山东富驰精密机械科技有限公司 | Method for spraying friction material of rotor of piezoelectric actuator and spraying tool |
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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: 20140430 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |