CN202306896U - Conic section demonstrating device - Google Patents
Conic section demonstrating device Download PDFInfo
- Publication number
- CN202306896U CN202306896U CN2011203962236U CN201120396223U CN202306896U CN 202306896 U CN202306896 U CN 202306896U CN 2011203962236 U CN2011203962236 U CN 2011203962236U CN 201120396223 U CN201120396223 U CN 201120396223U CN 202306896 U CN202306896 U CN 202306896U
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- CN
- China
- Prior art keywords
- laser head
- conic section
- base plate
- motor
- rotating disk
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Abstract
The utility model relates to a demonstrating device belonging to the field of experiment tools. The conic section demonstrating device is characterized by comprising a planar bottom plate (1), wherein a base (2) is fixedly arranged on the bottom plate (1), the base (2) is provided with a motor bracket (3) by using a screw, a motor (4) is arranged on the motor bracket (3), a rotating disk (5) arranged vertical to the bottom plate (1) is connected with an output shaft of the motor (4), the rotating disk (5) is internally provided with a laser head (6), a rotary eccentric switch is arranged between the laser head (6) and a laser head power supply, and a light screen (7) is arranged on the bottom plate (1) corresponding to the light ray emitting direction of the laser head. The conic section demonstrating device provided by the utility model has the advantages of low cost of raw materials, simple manufacture and convenience for use; and the conic section demonstrating device has remarkable effect and full interest because a circular image is formed on a screen of the light screen by light rays emitted by the laser head after the motor is electrified to start driving a rotating disk to rotate to reach a certain rotating speed.
Description
Technical field
The utility model relates to a kind of apparatus for demonstrating, relates in particular to a kind of conic section apparatus for demonstrating.
Background technology
In high school mathematics teaching conic section be the key content of teaching be again the teaching the difficult point content.And the best way that breaks through this teaching difficulty is to let the student do it yourself one do the experiment that utilizes conic section to drill.Also be not fit to the experimental provision that the student carries out grouping experiment in the prior art.Generally speaking, the teacher utilizes a tumbler the inside to adorn red ink and demonstrates, and demonstration is all right to elliptic transformation from circle, but the demonstration hyperbolic curve is just difficult, have to reasonably extrapolate, and takes an entrance examination then and gives birth to imagination solve problem.The shortcoming of this method requires the student to possess superpower space imagination, is unfavorable for the students understand knowledge of ability.
Summary of the invention
The utility model technical matters to be solved provides a kind of conic section demonstration device, solves the defective that does not have good conic section apparatus for demonstrating now.
Technical scheme
A kind of conic section apparatus for demonstrating is characterized in that: comprise plane bottom plate, on said base plate, be fixed with support; With screw electric machine support is installed on the support; On said electric machine support, motor is installed, said motor output shaft connects and the vertically disposed rotating disk of base plate, and laser head is installed in the rotating disk; Be provided with the rotating centrifugal switch between laser head and the laser head power supply, the light sender of corresponding laser head is provided with optical screen to base plate.
Said laser head and rotating centrifugal switch all are arranged in the hole in the middle of the rotating disk, before said rotating centrifugal switch is arranged on laser head, are used for the switch laser head.
Said optical screen is fixed on the base plate through the rotatable rotary mechanism of below.
Said rotating mechanism is that the optical screen below has transverse sleeves, has on the holder on the base plate and optical screen below transverse sleeves transverse sleeves side by side, and adopts latch that two transverse sleeves are linked together, and said latch and two transverse sleeves are interference fit.
The electric switch of said motor is arranged on the base plate.
Said laser head power supply adopts the battery in the battery case that is arranged on the rotating disk.
Beneficial effect
The conic section apparatus for demonstrating selection of the utility model is cheap, makes simple, easy to use; When electrical power begins to drive dial rotation, after its rotating speed reached certain value, the rotating centrifugal switch cut out; Make laser head luminous, light forms the image of circle on the screen of optical screen, rotates optical screen it is tilted gradually; Will see ellipse and hyperbolic curve successively on the optical screen, effect is obvious and interesting pure, is fit to very much middle school student's grouping experiment.
Description of drawings
Fig. 1 is the utility model synoptic diagram.
Wherein: 1-base plate, 2-support, 3-electric machine support, 4-motor, 5-rotating disk, 6-laser head, 7-optical screen, 8-electric switch.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, further set forth the utility model.
Shown in accompanying drawing 1, a kind of conic section apparatus for demonstrating comprises the base plate 1 on plane; On said base plate 1, be fixed with support 2, with screw electric machine support 3 be installed on the support 2, on said electric machine support 3, motor 4 is installed; Said motor 4 output shafts connect and base plate 1 vertically disposed rotating disk 5; Laser head 6 is installed in the rotating disk 5, is provided with the rotating centrifugal switch between laser head 6 and the laser head power supply, the light sender of corresponding laser head 6 is provided with optical screen 7 to base plate 1.
Said laser head 6 and rotating centrifugal switch all are arranged in the hole in the middle of the rotating disk 5.
Said optical screen 7 is fixed on the base plate 1 through the rotatable rotary mechanism of below.
Said rotating mechanism is that optical screen 7 belows have transverse sleeves, has on the holder on the base plate 1 and optical screen 7 below transverse sleeves transverse sleeves side by side, and adopts latch that two transverse sleeves are linked together, and said latch and two transverse sleeves are interference fit.
The electric switch 8 of said motor 4 is arranged on the base plate 1.
Said laser head power supply adopts the battery in the battery case that is arranged on the rotating disk 5.
The principle of work of the conic section apparatus for demonstrating of the utility model is: the power supply of connecting electric switch 8; Motor 4 is started working and drive rotating disk 5 and rotate, after rotating disk 5 rotating speeds reached certain value, the rotating centrifugal switch cut out; Make laser head 6 electrified light emittings; Light forms the image of circle on the screen of optical screen 7, rotate optical screen 7 it is tilted gradually, will see ellipse and hyperbolic curve successively on the optical screen 7.
Each parts is specially in the accompanying drawing 1: base plate 1 big I adopts 360*460, materials A BS; Rotating disk 5 can adopt Φ 80, materials A BS; Support 2 sizes are 40*22*30, and material adopts ABS; The material of electric machine support 3 adopts stainless-steel sheet; Motor 4 adopts the direct current motor of model 130; Laser head 6 adopts 520nm, 0.5w's; The rotating centrifugal switch can be made by oneself with copper sheet.
Claims (6)
1. conic section apparatus for demonstrating; It is characterized in that: the base plate (1) that comprises the plane; On said base plate (1), be fixed with support (2), support (2) is gone up and with screw electric machine support (3) is installed, and motor (4) is installed on said electric machine support (3); Said motor (4) output shaft connects and the vertically disposed rotating disk of base plate (1) (5); Laser head (6) is installed in the rotating disk (5), is provided with the rotating centrifugal switch between laser head (6) and the laser head power supply, the light sender of corresponding laser head (6) is provided with optical screen (7) to base plate (1).
2. conic section apparatus for demonstrating as claimed in claim 1 is characterized in that: said laser head (6) and rotating centrifugal switch all are arranged in the hole in the middle of the rotating disk (5).
3. conic section apparatus for demonstrating as claimed in claim 1 is characterized in that: said optical screen (7) is fixed on the base plate (1) through the rotatable rotary mechanism of below.
4. conic section apparatus for demonstrating as claimed in claim 3; It is characterized in that: said rotating mechanism is that optical screen (7) below has transverse sleeves; Have on the holder on the base plate (1) and optical screen (7) below transverse sleeves transverse sleeves side by side; And adopting latch that two transverse sleeves are linked together, said latch and two transverse sleeves are interference fit.
5. conic section apparatus for demonstrating as claimed in claim 1 is characterized in that: the electric switch (8) of said motor (4) is arranged on the base plate (1).
6. conic section apparatus for demonstrating as claimed in claim 1 is characterized in that: said laser head power supply adopts the battery in the battery case that is arranged on the rotating disk (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203962236U CN202306896U (en) | 2011-10-18 | 2011-10-18 | Conic section demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203962236U CN202306896U (en) | 2011-10-18 | 2011-10-18 | Conic section demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202306896U true CN202306896U (en) | 2012-07-04 |
Family
ID=46375744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203962236U Expired - Fee Related CN202306896U (en) | 2011-10-18 | 2011-10-18 | Conic section demonstrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202306896U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867446A (en) * | 2012-09-20 | 2013-01-09 | 哈尔滨宇坤科技开发有限公司 | Rotary experiment turntable for assistant teaching |
| CN104616567A (en) * | 2015-01-14 | 2015-05-13 | 合肥通用机械研究院 | Rotary ruled surface display system |
| CN106128233A (en) * | 2016-09-07 | 2016-11-16 | 南京工业职业技术学院 | A kind of device of trichroism light compositing method demonstration conic section |
| CN109094260A (en) * | 2018-10-09 | 2018-12-28 | 王暕宁 | A kind of changeable conic section demonstration drawing instrument |
-
2011
- 2011-10-18 CN CN2011203962236U patent/CN202306896U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867446A (en) * | 2012-09-20 | 2013-01-09 | 哈尔滨宇坤科技开发有限公司 | Rotary experiment turntable for assistant teaching |
| CN102867446B (en) * | 2012-09-20 | 2014-04-30 | 哈尔滨宇坤科技开发有限公司 | Rotary experiment turntable for assistant teaching |
| CN104616567A (en) * | 2015-01-14 | 2015-05-13 | 合肥通用机械研究院 | Rotary ruled surface display system |
| CN104616567B (en) * | 2015-01-14 | 2017-06-30 | 合肥通用机械研究院 | Rotary ruled surface display system |
| CN106128233A (en) * | 2016-09-07 | 2016-11-16 | 南京工业职业技术学院 | A kind of device of trichroism light compositing method demonstration conic section |
| CN106128233B (en) * | 2016-09-07 | 2018-04-06 | 南京工业职业技术学院 | A kind of device of three coloured light synthetic method demonstration conic section |
| CN109094260A (en) * | 2018-10-09 | 2018-12-28 | 王暕宁 | A kind of changeable conic section demonstration drawing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Wei Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141018 |
|
| EXPY | Termination of patent right or utility model |