CN101479013B

CN101479013B - Driven spinning top

Info

Publication number: CN101479013B
Application number: CN2006800551826A
Authority: CN
Inventors: 伊凡·格罗苏
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-30
Filing date: 2006-12-13
Publication date: 2012-05-23
Anticipated expiration: 2026-12-13
Also published as: RO122019B1; US20090197503A1; WO2008002167A1; EP2056944A1; CN101479013A

Abstract

A modified classical spinning top (1) and its horizontal driving (6) without mechanical restraining elements are disclosed. The modified classical spinning top has a small permanent magnet (2) on the rotation axis (3), at its upper part and coaxial with it. A second permanent magnet (4) with the opposite polarity to the first one, it means in an attraction configuration, is manually moved horizontally (7) above the top of the spinning top. The interaction of attraction of the two permanent magnets determines a horizontal driving (6) of the spinning top without modification of the rotation movement. The new toy is more interesting, interactive and attractive than the classical one.

Description

Drive gyro

Technical field

The present invention relates to a kind of improved traditional gyro (use permanent magnet and do not have mechanical constraint), this gyro can not change under the situation about rotatablely moving by horizontal drive.

Background technology

The well-known people of being like traditional toy: gyro, gyroscope and permanent magnet.

Gyro is ancient toy.They are processed with difformity, color and size by timber, metal or plastics.Recently, some in them can produce sound or/and light.But not too many from the outset the change.In case make its rotation, we move with regard to just seeing it.Can not change should move and with its interaction.

Gyroscope is well-known toy and device.Their charming part is how to make direction keep constant.

Permanent magnet is used to use ball, nail, ferromagnetic powder, magnetic fluid and obtains not isostructure.In case realize and should construct, can what not take place again then, do not have enjoyment again yet.

The gyrostatic design that rotatablely moves with permanent magnet combination is proposed in the Romanian patent of submitting on February 28th, 1,987 91 857 by I.Grosu.With two coaxial permanent magnets of traditional gyroscope traditional gyroscope is improved on rotation through using.Therefore, this gyroscope has angular momentum and magnetic moment.The even external magnetic field that is produced by coil has determined the rotation as Larmor precession.This device has teaching significance and can show how to obtain Larmor precession.This gyroscope simulation has the rotation of the electronics of angular momentum and magnetic moment.

The interesting use of permanent magnet in gyro is suspension gyro (Levitron): U.S. Pat 4 382 245 and U.S. Pat 5 404 062.The dish of gyro is the permanent magnet that above second permanent magnet, becomes to repel structure.If satisfy some condition, this gyro can suspend.It is so uneasy to realize suspending.The suspension gyro is produced by www.supermagnete.de.

Another kind of toy is that magnetic UFO gyro has little permanent magnet in the at that contacts with the ferromagnetic in-plane part.During rotation, this planar member is moved with interesting mode in the bottom of gyro.

Use website www.espacenet.com to select patent: US2004198152, US2003064660, GB2389321, CN1326800 with keyword toy and top and magnet, they have introduced the gyro with permanent magnet.What should stress is that all patents all relate to and have uncontrollable dynamic (dynamical) gyro.

Summary of the invention

The present invention is intended to have the gyro of controlled horizontal movement.The dynamics of tradition gyro can not change, and this is because any action that traditional gyro is done is equivalent to torque N, and this torque N will change according to angular momentum theorem and rotatablely move:

dL/dt＝N

Wherein L, N are respectively angular momentum and torque.For moving horizontally this gyro, must apply active force (to have null torque) to it through rotation.This can realize through attracting each other of two permanent magnets; A permanent magnet is coaxial with gyro on rotation, and another permanent magnet is positioned at the top of gyro.Abide by accompanying drawing, detailed description and claims and will understand all the elements better.

Description of drawings

Fig. 1 is the total figure that improves gyro.

Fig. 2 is the detail drawing of permanent magnet at the top place of gyro.

Fig. 3 is the collision of two cylindrical shape gyros.

Fig. 4 is the suspension gyro in the rotation.

Fig. 5 is two collisions between the gyro: a gyro has hexagonal shape, and another gyro has cylindrical shape.

Fig. 6 has the gyro of hexagonal shape and the collision between the ball.

The specific embodiment

As previously discussed, all the be unrealized controlled dynamics of gyro of all combinations of gyro and permanent magnet.Can improved gyrostatic dynamics be controlled (I.Grosu, Romanian patent 91857) through using the external magnetic field.Used herein is this design of modified version.Main design is on rotation, with the coaxial permanent magnet of this tradition gyro traditional gyro being improved of place, top that is positioned at traditional gyro through use.The external permanent magnets that above gyro, moves with manual mode attracts first magnet, thereby moves horizontally this gyro.Because the torque of the attraction between two permanent magnets is zero, does not therefore change and rotatablely move.This situation be because the direction of this power through rotation.Thereby, can control the horizontal translation motion of gyro through the motion of external permanent magnets.Have controlled dynamic (dynamical) gyro more interesting, more joyful, have more education and the science effect.

Abide by Fig. 1 and Fig. 2, be positioned on rotation 3, traditional gyro 1 being improved of place, top of traditional gyro 1 through use with this tradition gyro 1 coaxial little permanent magnet 2.Second permanent magnet 4 is arranged in the top of the gyro 5 of rotation.Gyro is followed the horizontal movement 7 of permanent magnet 4 and is moved horizontally 6.Have only when motion 7 and just realize moving 6 slowly the time.When fast moving 7, gyro can not be followed this fast moving 7.Have controlled dynamic (dynamical) gyro and can be used to realize some recreation.Here I propose 3 variants.

First variant relates to the dynamics of gyro.Can be in order to realize moving 6 and move and 7 should have and how soon experimentize.Too fast move 7 and can not realize moving 6.When two gyro close enoughs, they can collide (Fig. 3).Interesting is: after collision, because their collisions once more of Bernoulli's theorem (Bernoulli law).And if permanent magnet 4 close enoughs, then gyro takeoffs and contacts with permanent magnet 4.Continue rotation (Fig. 4).If shake magnet 4 in vertical direction, then well-known is that gyro is fallen on the platform and is rotated further, and can be attracted to magnet 4 once more.Here can observe is how to keep vertical direction.Can not accomplish this point with traditional gyro.

The second, can between hexagon gyro 9 and cylindrical shape gyro 1, realize collision (Fig. 5).Here collision is more violent owing to the shape of hexagon gyro 9.

The 3rd, can realize competition game through using hexagon gyro 9 and ball 10.Ball 10 moves horizontally.Two players everyone make hexagon gyro 9 bump these balls (Fig. 6) so that this ball is moved in the other side's the door.With football, handball, basketball analogy, I am called gyro sphere (TOPBALL) with this recreation.

Capable of using have controlled dynamic (dynamical) driving gyro and imagine other recreation.

List of references

1.I.Grosu; " Didactic device for obtaining Larmor precession (being used to realize the instructional device of Larmor precession) " (Romanian); Romania patent Nr.91857/28 (in February, 1987), Romania application nr.118 306/08 (in April, 1985)

2.Sonia and Roger Kaysel (1991), " Kreisel ", SchweizerKindermuseum Baden, Switzerland.

3.R.M.Harrigan (1983), " Levitation device (levitation device) ", U.S. Pat 4 382 245, May 3 nineteen eighty-three

4.E.W.Hones and W.G.Hones, " Magnetic Levitation Device andMethod (magnetic levitation system and method) ", U.S. Pat 5 404 062

5.H.Goldstein, " Classical Mechanics (classical mechanics) ", Addison-Wesley, 1965, p.3

6.P.A.Tipler (1991), " Physics for Engineers and Scientists (engineer and scientist's physics) ", the third edition, second volume, p.798-800, Worths Publishers.

7.F.W.Sears, M.W.Zemansky and H.D.Young (1987), " UniversityPhysics (College Physics) ", the 7th edition, p.698-700,1987

8.R.Holler，“Kreisel”，H.Hugedubel?Verlag，1989。

Claims

1. method of using permanent magnet horizontal drive gyro; The top of said gyro is provided with little permanent magnet coaxial with said gyro on the rotation of said gyro; Said method comprises that above said gyro, moving second permanent magnet with manual mode attracts said little permanent magnet, makes said gyro follow the horizontal movement of said second permanent magnet and move horizontally.

2. the method for claim 1, wherein said gyro has cylindrical shape, and perhaps the cross section of said gyro has hexagon or square shape.

3. one kind has the driving gyro that two permanent magnets are constructed; Comprise the little permanent magnet and the second big permanent magnet; Said little permanent magnet is positioned at the upper end of said driving gyro and on the rotation of said driving gyro, top and quilt that the said second big permanent magnet is positioned at the top of said gyro are moved horizontally with manual mode.

4. the driving gyro with two permanent magnets structure as claimed in claim 3, wherein said gyro has cylindrical shape, and perhaps the cross section of said gyro has hexagon or square shape.