CN2062131U - Intermitternt electromagentic driven rotating device - Google Patents

Abstract

The utility model relates to an intermittent electromagnetic driven rotating device which has a structure of two parts of a base and a rotating rack which is matched with the base and can rotate round the base. The rotating rack is provided with a magnetic body, and the base corresponding to the circumference of the rotating movement locus is provided with a magnetic trigger switch which can be triggered by the magnetic body and an electromagnetic structure controlled by the switch. When the rotating magnetic body triggers the switch periodically to conduct the circuit, the electromagnetic structure can generate the electromagnetic field. The acting force between the magnetic field and the magnetic field of the rotating magnetic body can periodically drive the rotating magnetic body, and thus, the rotating magnetic body can rotate continuously.

Description

Intermitternt electromagentic driven rotating device

The utility model is a kind of device that rotates under the batch (-type) electromagnetic force promotes, and especially bearing capacity is little, and only makes the slowly device of rotation.

At present, general whirligig, especially bearing capacity is little, and only need make the slowly device of rotation of utmost point low speed, for example be used for upholstery, display exhibits, the slow rotating platform or the swivel mount of aspects such as toy, teaching aid, stage art designing, Commdity advertisement, be mostly by the motor prime movers by machinery or gas, liquid transmission and multi-change speed rear drive, not only complex structure, energy loss is big, but also many with bigger noise.Use slowspeed machine to drive though also have, except that energy consumption greatly, also have problem of ultra-high price.

It is extremely low that the purpose of this utility model provides a kind of energy consumption, and several muting whirligig.Particularly little at bearing capacity, and a kind of whirligig that uses under the situation that only need do slowly to rotate.

What the utility model whirligig adopted is that the batch (-type) electromagnetism promotes principle.Structurally comprised pedestal and match with pedestal and the swivel mount two parts that can on pedestal, rotate interior.The two fit system both can be the form that directly cooperates, for example swivel mount directly supported, is placed on the pedestal, or it is cooperated by rotating partss such as bearings, and also can be the form that cooperates indirectly by some draw bails.No matter adopt which kind of mode to cooperate, on swivel mount, should be provided with the magnetic that thereupon to make circular motion at least, get final product as common permanent magnet.With the rotation mode difference of swivel mount, the trajectory plane that rotatablely moves of this magnetic can be on the plane or cross section of any direction of pedestal and position.At least should be provided with a switch that can trigger on the pedestal with on this corresponding position of magnetic movement locus, at least also should be provided with simultaneously one and include solenoid at interior electromagnetic structure by this magnetic trigger switch control circuit break-make by the magnetic of this magnetic.Certain this electromagnetic structure is the simplest to be exactly the form of having only an independent solenoid, also can be form also subsidiary cored or that other is more complicated with the exception of this.Though the present existing several types of said here magnetic trigger switch all can be selected for use, for example have the mechanical type trigger switch of dissimilar transistorized induction type trigger switches and various reed-type etc., but because of conducting transistor wherein will have enough trigger voltages usually, generally must not be lower than 0.3 volt in the induction type trigger switch.For this reason, necessarily require the spin magnetization body enough speed should be arranged by the moment of trigger switch, reduce the gap between the two again as far as possible, its gap generally all requires less than 1 millimeter, to guarantee that induction coil produces enough trigger voltages and makes switch triggering under enough strong magnetic field intensity and rate of change.This just not only has limitation in uses such as rotating speed, triggering distance, also increased the requirement of machining accuracy.It is simple that the advantage of mechanical type trigger switch is then removed structure, outside cost is low, the more important thing is that no matter how slow the rotating speed of spin magnetization body is, and it all can make it be triggered during by trigger switch, and it triggers distance and also can increase, and for example can reach 10 millimeters far away.Though the kind of these switches, principle and structure are different, but all being the external magnetic field that changed, common ground can be in the closed and disconnected two states respectively when influencing, and it generally all is in normally open when no external magnetic field exists, thereby can be by the break-make of their control circuits by the variation of external magnetic field.These characteristics and performance the utility model just are needed.Because magnetic trigger switch and the electromagnetic structure that comprises solenoid all are on the corresponding position of motion mark with the spin magnetization body, when therefore the spin magnetization body is made circular motion with swivel mount, will make the variation of trigger switch magnetic field generating period on every side, that is: when going near the trigger switch position, magnetic field strengthens, trigger this switch closure, turning circuit; Field weakening is up to disappearance when leaving this position, and then switch disconnects heavily again, and circuit is in not on-state again.Because this moment, the break-make of circuit was subjected to this magnetic trigger switch control, when circuit is in conducting state, in the coil because of there being electric current to pass through, electromagnetic structure is generated an electromagnetic field, active force between this electromagnetic field and so far locational magnetic self intrinsic magnetic field of rotation--no matter be gravitation or repulsion, as long as it has reached the effect of several noise-less pollutions again in magnetic.Particularly use the mechanical type trigger switch, especially adopt a kind of contact pin type trigger switch of introducing in following examples, just more helped satisfying arbitrarily the slowly requirement of rotation.This whirligig with after different carrier cooperates, just can be widely used in the needs of the various objectives in the various fields such as interior decoration, showpiece display, toy, teaching aid, advertisement, stage art designing.

To be further described structure of the present utility model with an instantiation shown in the drawings below.

The structural representation of Fig. 1 the utility model device

Fig. 2 has adopted a kind of interior decoration article of the utility model device

Can see by Fig. 1, include pedestal 1 and swivel mount 8 two parts that are bearing in the pedestal top in this routine whirligig.At least be provided with a permanent magnet 7 on the swivel mount 8, it can do the rotation round motion around pedestal 1 with swivel mount 8, its movement locus plane is on any one level cross-sectionn of pedestal 1, and the outer wall inboard on pedestal 1 this horizontal cross-section is provided with a mechanical type magnetic trigger switch 6 and the solenoid 5 of ribbon core not.Coil 5 also is in series with mains switch 3 and adjustable resistance 4 by DC power supply 2 power supplies in the electric loop.The contact pilotage that the two poles of the earth of control circuit break-make are respectively contact and can be attracted by magnet 7 in the magnetic trigger switch 6, it is that free-ended free hanging position makes circuit be in normally open that the latter is in an end at ordinary times; Under the attraction of magnet 7, its free end can contact with contact, makes circuit turn-on.Magnetic direction when the magnetic direction of magnet 7 and coil 5 generate an electromagnetic field is in together on the plane at magnet 7 movement locus places, and makes that angle is between 45-60 ° between its magnetic direction.After mains switch 3 closures, because trigger switch 6 is a normally open, so no current still in the circuit, when magnet 7 is on the position that makes switch 6 trigger closure, trigger switch 6 closures, circuit turn-on, coil 5 generates an electromagnetic field, behind the magnetic field interaction of magnet 7, its component on magnet 7 motion tangent to periphery directions can promote magnet 7 motions.After magnet 7 had departed from this trigger position, switch 6 disconnected heavily again, the magnetic field diminishes of coil 5, and magnet 7 is rotated further by inertia.If magnet 7 is not in when having the component of tangential direction on the circumference that this triggering body rotatablely moves when initial, this component just can become keeps the motive force that magnetic continues motion, after magnetic left this position, the magnetic trigger switch made circuit revert to not on-state.The magnetic field diminishes of electromagnetic structure, magnetic continues motion by inertia.When magnetic moved on the position that can trigger this magnetic trigger switch closure once more, magnetic just can obtain once new additional motive force.Under this batch (-type) motive force effect that goes round and begins again.Swivel mount just can ceaselessly rotate.If can several magnetics that can rotate be set on the swivel mount and/or several magnetic trigger switch and electromagnetic structures are being set on the position corresponding with the magnetic movement locus, then both can make swivel mount obtain bigger motive force, it is more steady again it to be rotatablely moved.When a plurality of magnetics, trigger switch and electromagnetic structure, it is provided with quantity can be reciprocity, also can be the relation of inequality.

As previously mentioned, the magnetic movement locus that rotates with swivel mount can be on the plane or cross section of any direction of pedestal and position, for example can be horizontal plane, vertical plane or any one inclined plane.Because keeping the motive force of its motion is to come from two magnetic fields to make the component of power on its motion tangent to periphery direction, therefore in order on this tangential direction, to obtain bigger component, so that these two interactional magnetic directions and magnetic rotational trajectory are co-located in the same plane to well.Simultaneously, by the force resolution principle as can be known, make angle between these two magnetic directions in 0-90 ° of scope more near 90 ° then on the tangent line obtainable component just big more.Therefore by the direction of solenoid in the appropriate change electromagnetic structure and/or the direction of magnetic, can make motive force adjust to best effect.In addition,, size of current can be regulated, then more help the adjusting of saves energy and motive force size if in the electric loop of solenoid, be provided with adjustable resistor again.Be not difficult to find out by said structure, under the situation that the relation inconvenience of the position between spin magnetization body and electromagnetic structure magnetic direction changes at any time, to the power supply of solenoid with DC power supply for well.

This shows, because the circuit in the utility model device is by the conducting at intermittence, several again voiceless sounds of action of magnetic trigger switch simultaneously, thereby both helped saving the energy, during the position, can give an external force its starting is got final product.Because motive force required when initial is bigger, then only need provide the additional power of a small amount of maintenance to get final product when normally rotating, these can be regulated by adjustable resistance 4.If establish on the swivel mount 8 in several magnets and/or the pedestal 1 more and establish several solenoids 5 and trigger switch 6 more, then can increase motive force, both can be used for increasing load capacity, also can be used for improving the rotating speed of swivel mount, also can improve the stationarity that swivel mount rotates simultaneously.

Fig. 2 is the form that this routine whirligig and suitable jewelry cooperate the back rotary ornamental that is become.

Claims (7)

1, a kind of batch (-type) electromagnetism promotes whirligig, it is characterized in that comprising in the structure pedestal (1) and match and merge swivel mount (8) two parts that can on pedestal, rotate with pedestal, wherein should be provided with the magnetic (7) that can make circular motion with swivel mount on the swivel mount (8) at least, pedestal (1) with the corresponding position of movement locus of magnetic (7) on should be provided with at least that a magnetic trigger switch (6) that can be triggered by magnetic (7) and one is subjected to that trigger switch (6) controls include solenoid (5) at interior electromagnetic structure.

2, whirligig as claimed in claim 1 is characterized in that said magnetic trigger switch (6) is a mechanical type magnetic trigger switch.

3, whirligig as claimed in claim 2, it is characterized in that it is free-ended free catenary contact pilotage and form that can fixed contact with matching that the two poles of the earth of control circuit break-make in the said magnetic trigger switch (6) are respectively an end, contact pilotage should be able to contact with contact when being attracted by magnetic (7) and make switch (6) be closed conducting state.

4, as claim 1,2 or 3 described whirligigs, it is characterized in that the circular path that magnetic direction when the said electromagnetic structure that includes coil (5) generates an electromagnetic field and magnetic (7) self-field direction and this magnetic rotatablely move is co-located in the same plane, and the angle between its magnetic direction is 0-90 ° during this two magnetic field interaction.

5, whirligig as claimed in claim 1 is characterized in that the movement locus plane of said magnetic (7) is the level cross-sectionn of pedestal (1), contains solenoid (5) and is on the sidewall in this cross section of pedestal (1) at interior electromagnetic structure.

6, whirligig as claimed in claim 1 is characterized in that being in series with adjustable resistance (4) in the electric loop at said solenoid (5) place.

7, whirligig as claimed in claim 1, it is characterized in that said magnetic (7), magnetic trigger switch (6) and containing solenoid (5) is inequality in the quantity of interior electromagnetic structure.

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