CN101902178A

CN101902178A - Automatic rotating system of magnetic suspension rotating body adopting alternate rotating electromagnetic field

Info

Publication number: CN101902178A
Application number: CN2010101814456A
Authority: CN
Inventors: 唐建一
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-24
Filing date: 2010-05-24
Publication date: 2010-12-01

Abstract

The invention relates to an automatic rotating system of a magnetic suspension rotating body adopting an alternate rotating electromagnetic field, wherein a magnetic induction coil is adopted by a sensor for detecting rotation, an electromagnetic coil is adopted by a device for emitting a rotating electromagnetic field and a rotating force, the magnetic induction coil and the electromagnetic coil are combined into an integrated combined coil, a bidirectional current is introduced to the electromagnetic coil by an adopted bridge control circuit when a bidirectional signal voltage excited by the magnetic induction coil is input, a bidirectional rotating electromagnetic field is sent to a magnetic part in the magnetic suspension rotating body by the combined coil and a rotating electromagnetic force with alternate sucking rotation and pushing rotation is applied, so that the automatic rotating system has autorotation stability, uniform speed and low energy consumption, is beneficial to the autorotation of light and small or heavy magnetic suspension rotating bodies and can realize bidirectional and random autorotation; in addition, the sensitivity of rotating control is quite high, the range is enlarged, the rotating force is increased, the rotating performance is optimized, and the structure is simple and practical.

Description

The automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of magnetic

Technical field: magnetics, magnetic suspension, wind-driven generator

Technology back of the body border:

The patent in past, as, 99252312.5 and in 03141646.2, because of structure and the used rotary device and the limitation of control aspect, sending the electric current that magnetic floating body is automatically fed in the coil of the electromagnetic field of rotation is single direction, and the electromagnetic field that this coil sent also is single electromagnetism polarity, so, being used in the magnetic floating body rotating permanent magnet be applied in of accepting described rotary electromagnetic field with rotating electromagnetic power also be (push-jump or absorb) of single mode, such revolving force source, efficient is not high, again because of, whenever rotate a circle at magnetic floating body in (360 degree), the number of times of suffered revolving force is few, and in the time of keeping the rotation of certain speed, easily generation is impacted by revolving force, rotation is rocked, rotating speed is inhomogeneous, even the meeting stall, this situation, to the light little or super large of magnetic floating body with when heavy, more outstanding especially; In addition, magnetic floating body can only do single direction automatic rotation (along or counterclockwise), change anti-, will stall, therefore, performance and function are all undesirable, and in the patent 200410066285.5, because of used rotary device is a discrete, sensitivity is very poor, control range is little, regulates difficulty, and rotation is also unstable; More than drawback, be badly in need of solution.

Summary of the invention:

Goal of the invention:

Invent the automatic rotating system of the alternation rotary electromagnetic field of the employing built-up coil of the floating rotary body of a kind of magnetic and two-way circuit, what the permanent magnet that is used to rotate that makes magnetic float a rotating body was subjected to is the alternation rotary electromagnetic field, promptly, the electromagnetism polarity of the rotary electromagnetic field that the magnetic pole strength of this permanent magnet is suffered is the variation that alternates of the N utmost point and the S utmost point, and also, the revolving force that is subjected to absorbs and push-jump mutual alternate, to improve rotation efficiency, increase revolving force number of times and dynamics, make rotation steadily, at the uniform velocity, can be adapted to the automatic rotation that light little and heavy magnetic floats rotary body, in addition, the sensitivity of magnetic induction will improve, and the effective range of Spin Control will strengthen, to optimize performance, and, can realize the random two-way valuable function of rotation automatically in certain cloth position with built-up coil, and, want simple structure, easy to adjust, cost is low, is easy to come into operation.

Concrete technical scheme:

The automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of magnetic, floating rotary body and casing and circuit by magnetic forms, the floating rotary body of magnetic is equipped with the permanent magnet that at least one is used to rotate, and at least one transducer that is used to rotate and at least one coil that is used to rotate and at least one circuit are housed in the casing; The service area in the magnetic field of the rotation that the permanent magnet that is used to rotate that the floating a rotating body of magnetic is equipped with sends along with the rotation of the floating rotary body of magnetic is along rotation sweep circumferentially, when in the effective magnetic induction scope that scans the described transducer that is used to rotate, the transducing signal voltage that this transducer sends feeds described circuit input end, control through this circuit, the output of this circuit passes to electric current to the described coil that is used to rotate, the rotary electromagnetic field that this coil sends acts on described rotating permanent magnet and applies with the electromagnetism revolving force, makes the floating rotary body of magnetic do to rotate automatically; This programme is, the device that being used to of adopting sent rotary electromagnetic field is a coil, the rotary electromagnetic field that adopts is the alternation rotary electromagnetic field, the circuit that adopts is a two-way circuit, the permanent magnet that is used to rotate that adopts is to have two opposing and magnetic spares of the magnetic pole strength of different magnetic each other, the transducer that being used to of adopting detected the rotation status of floating rotary body of magnetic and magnetic spare is to adopt the magnetic induction coil of coiling voluntarily, sending the coil that makes floating rotary body of magnetic and magnetic spare receive rotary electromagnetic field and revolving force behind the galvanization that adopts is to adopt the solenoid of coiling voluntarily, described magnetic induction coil and described solenoid, these two coil combination become together can homemade built-up coil, this built-up coil has the electromagnetism side of the electromagnetic field that sends different each other electromagnetism polarity of its both sides, described built-up coil is that at least one is contained in the casing, and the electromagnetism side of described built-up coil and the magnetic pole strength of described magnetic spare are mutual magnetic correspondences; Described alternation rotary electromagnetic field is, in the floating rotary body of magnetic whenever rotates a circle (360 degree), the magnetic polarity of the electromagnetic field that a certain magnetic pole strength received of magnetic spare, promptly, the N utmost point, the S utmost point, at least will be in an orderly manner alternation is once mutually, then, this rotary electromagnetic field imposes on the mode of the revolving force of this magnetic pole strength, promptly, absorb, push-jump, also correspondingly mutual in an orderly manner alternation once, its concrete mode is, the floating rotary body of magnetic when rotated, rotation sweep is made in the magnetic field that the magnetic pole strength of the magnetic spare of the floating a rotating body of magnetic sends, when scanning gradually near described built-up coil, because of magnetic induction takes place and inspires a kind of induced electromotive force in the variation in the magnetic field in the region of the magnetic induction coil of this built-up coil, just export a certain electropolar near induction transducing signal voltage, this voltage input two-way circuit, control through this circuit, this circuit passes to the electric current of a certain direction to the solenoid of this built-up coil, this solenoid and this built-up coil send the rotary electromagnetic field of a certain electromagnetism polarity, this rotary electromagnetic field acts on the magnetic pole strength of described magnetic spare and applies rotating electromagnetic power to absorb, make the floating rotary body of this magnetic draw close operation to the direction of this built-up coil, and the floating rotary body of the magnetic that this magnetic spare is housed is rotated, and continue rotation and when skimming over described built-up coil and will leave this built-up coil when described scanning, the magnetic induction coil of this built-up coil inspires reverse induced electromotive force and sends the reverse voltage that leaves induced signal because of the variation of the magnetic field another way in the region, this reverse voltage is imported this two-way circuit, reverse control through this circuit, this circuit passes to reverse current to this solenoid of this built-up coil, this built-up coil sends the rotary electromagnetic field of opposite electromagnetism polarity, this rotary electromagnetic field acts on the magnetic pole strength of described magnetic spare, and apply in another way electromagnetic force, promptly, push-jump, go down and make the floating rotary body of this magnetic continue rotation, then, the magnetic pole strength of magnetic spare be the opposite each other electromagnetism polarity that has been subjected to replacing alternation rotary electromagnetic field and be applied in absorbing and the push-jump alternation revolving force that replaces mutually, thereby make the floating rotary body of magnetic do rotation automatically; And when the vertical section along the length orientation of the built-up coil that adopts be that to drop on or drop on basically with the center line be on the longitudinal section of axis the time, the floating rotary body of magnetic is rotating clockwise or is doing in the anti-clockwise rotation, suffered absorbing with the sizes values of push-jump sequential and revolving force and the angular speed of rotation all is equal to, this has just formed random two-way and has rotated automatically, promptly, the direction of the automatic rotation of the floating rotary body of magnetic, only depend on the manual direction of changeing of dialling, and can be momentarily with the automatic direction of rotation that manually changes the floating rotary body of this magnetic; Implication if the cloth position of built-up coil does not reach above-mentioned cloth position mode, just is unidirectional automatic rotation;

One of mode of described built-up coil is, magnetic induction coil and solenoid, and these two coils are side-by-side; Another way is, the magnetic induction coil of built-up coil and solenoid, the enamelled wire separately of these two coils be wound on together with merging and and become a coil bag that four terminals are arranged around ground; Described built-up coil can have ferro-magnetic core, that is, magnetic induction coil and solenoid, these two coils are to be enclosed within on the same ferromagnetic core; Described two-way circuit is to adopt bridge control circuit (bridge-type is amplified and control circuit), promptly, this circuit complementally is made up of the amplifying stage of two out-phase, and have two anti-phase each other inputs and two outputs of swinging to each other, and also can lead to the power amplifier level respectively again and export, promptly, a certain end output high potential, then, the other end is just exported electronegative potential, thereby having formed potential difference between its two outputs, these two outputs connect two terminals to the solenoid of built-up coil respectively; The magnetic induction coil of built-up coil send two-way signaling voltage (polarity of voltage is alternate chronologically) import this bridge control circuit, control through this bridge control circuit, two outputs of this circuit are to this solenoid as load, output is with two-way alternating voltage and pass to forward and reverse alternating current that replaces, and this solenoid and this built-up coil just send corresponding alternation rotary electromagnetic field; Adopt built-up coil and bridge control circuit, can make signal voltage and the voltage that this bridge control circuit output applies to solenoid of the magnetic induction coil of the access bridge control circuit input in the built-up coil be in the positive feedback state of controlled mutual excitation mutually mutually, the effective range that this has just improved the magnetic induction sensitivity of this magnetic induction coil significantly and has enlarged magnetic induction, simultaneously, rotary electromagnetic field and electromagnetism rotation intensity of force that this solenoid sends have also been strengthened, these have all optimized the performance of the automatic rotating system of this programme;

One of structure of described automatic rotating system is, midline in the bottom of the floating rotary body of described magnetic is equipped with one and horizontal has horizontal two magnetic spares of the magnetic pole strength of different magnetic each other, midline in the casing below the floating rotary body of this magnetic is equipped with the built-up coil of horizontal two electromagnetism sides with horizontal cross, when the solenoid of this built-up coil passes to alternating current, the alternation rotary electromagnetic field of the different each other electromagnetism polarity that send respectively and simultaneously two horizontal electromagnetism sides of this built-up coil, the alternation rotary electromagnetic field that send simultaneously these both sides, act on two of corresponding horizontal cross of described horizontal magnetic spare of the top magnetic pole strengths of different pole each other respectively and simultaneously, and the magnetic pole strength of the horizontal side of two levels of this horizontal magnetic spare, all be applied in respectively and simultaneously to absorb the alternation revolving force with the push-jump complementation that alternates accordingly, and make the floating rotary body of magnetic do efficiently rotation automatically, and because of, at this moment, the vertical section along the length orientation of this built-up coil is that to drop on or drop on basically with the center line be on the longitudinal section of axis, thereby, formed described random two-way and rotated automatically; Another kind of structure is, be equipped with on the next door of the center line of casing perpendicular put have a vertical built-up coil of two electromagnetism sides longitudinally, the next door of the center line of the floating a rotating body of magnetic up, be equipped with accordingly perpendicular put have vertical two magnetic spares of the magnetic pole strength of different magnetic each other longitudinally, the electromagnetism side that makes progress of downward magnetic pole strength of this magnetic spare and described built-up coil is corresponding, promptly, the rotary electromagnetic field that the N utmost point that send the electromagnetism side that makes progress of described built-up coil and the S utmost point alternate and change, the downward magnetic pole strength of the magnetic spare above acting on also applies to absorb and the push-jump rotating electromagnetic power that alternates, make the floating rotary body of magnetic do rotation automatically, because of the vertical section along the length orientation of described built-up coil is that to drop on or drop on basically with the center line be on the longitudinal section of axis, at this moment, the floating rotary body of this magnetic is made random two-way and is rotated automatically; What can play magnetic spare same function is the magnetic conductive part of the strip made by the ferromagnet of magnetic property, and it is mounted on the magnetic pole strength of permanent magnet, and it has arrived magnetic with regard to magnetic conductance, can send the rotating magnetic field when rotating as magnetic spare during its rotation;

About floating permanent magnet of magnetic and electromagnet, their operation principle, the existing announcement of past do not done repetition.

Beneficial effect:

The built-up coil that adopts sends the alternation rotary electromagnetic field and applies to absorb the rotating electromagnetic power with push-jump alternation to the magnetic spare that is used to rotate of the floating a rotating body of magnetic, increased the number of times of the effect of revolving force, the effect time limit and the validity of turning moment have been improved, make automatic spin stabilization, average rate helps the automatic rotation that light little or heavy magnetic floats rotary body, in addition, the sensitivity of Spin Control improves, and control range strengthens, and has optimized the performance of automatic rotating system; Adopt the bridge control circuit and in the certain cloth position with built-up coil, can realize the random two-way valuable function of rotation automatically, in addition, this programme has simple structure, and is easy to adjust, and cost is low, is easy to apply.

Description of drawings:

Numbering: 0, center line 1, magnetic floats rotary body 2, magnetic spare N, S, two magnetic pole strengths 3 of magnet 2, casing 4, built-up coil 5, magnetic induction coil 6, solenoid 7, ferromagnetic core A side and B side: two electromagnetism sides 8 of built-up coil, circuit 9, vertical section 10, magnetic floats permanent magnet 11, magnetic conductive part 12,

electromagnet

13,14, circuit input end 15,16, circuit output end 17, the longitudinal section of center line

Accompanying drawing: Fig. 1, the horizontal magnetic spare in top and below horizontal assemble line loop graph Fig. 2, the perpendicular magnetic spare in top and the perpendicular assemble line loop graph Fig. 3 in below, the horizontal magnetic conductive part figure of the perpendicular built-up coil of top and electromagnet and below

Specific implementation method:

Embodiment 1: see Fig. 1

Horizontal magnetic spare 2 is equipped with at center line 0 place of the bottom in the floating rotary body 1 of magnetic, it 2 has two of the horizontal cross magnetic pole strengths of different magnetic each other, promptly, N pole-face and S pole-face, center line 0 place in the casing 3 below the floating rotary body 1 of this magnetic, horizontal built-up coil 4 is housed, it 4 be by magnetic induction coil 5 and solenoid 6 these two (5,6) be enclosed within abreast on the ferromagnetic core 7 and make, its 4 two electromagnetism side A with horizontal cross, B, the N magnetic pole strength of the magnet 2 of this A and B and top and S magnetic pole strength mutual electromagnetic correspondence are equipped with circuit 8 in casing 3; Concrete type of action is, the magnetic field of the rotation that the magnetic spare 2 that is equipped with in the floating rotary body 1 of magnetic sends along with the rotation of the floating rotary body 1 of magnetic is along rotation sweep circumferentially, in the time of in scanning the magnetic induction coil 5 effective magnetic induction scopes that arrive built-up coil 4, the magnetic field situation of magnetic induction coil 5 regions changes, the induced electromotive force that goes out a certain polarity that magnetic induction coil 5 excites and a certain polarity exported near induced signal voltage, feed two inputs 13 of the circuit 8 of bridge control, 14, control through this circuit 8, two outputs 15 of this circuit 8,16, pass to the electric current of a certain direction to solenoid 6, two electromagnetism side A of the horizontal cross of built-up coil 4, the rotary electromagnetic field of certain electromagnetism polarity that B sends respectively simultaneously, and act on two the corresponding magnetic pole strength N and the S of the horizontal cross of magnet 2 respectively, and apply electromagnetism revolving force to absorb, make the floating rotary body 1 of the magnetic that magnet 2 is housed draw close operation to the direction of built-up coil 4, the floating rotary body 1 of magnetic is rotated, and continue operation and when skimming over described built-up coil 4 and will leave built-up coil 4 when described scanning, the magnetic induction coil 5 of built-up coil 4 inspires reverse induced electromotive force and sends the reverse voltage that leaves induced signal because of another variation in the magnetic field in the region, this reverse voltage is imported this circuit 8, reverse control through this circuit 8, this circuit 8 passes to reverse current to the solenoid 6 of built-up coil 4, built-up coil 4 sends the rotary electromagnetic field of opposite electromagnetism polarity, this rotary electromagnetic field acts on the magnetic pole strength N and the S of magnetic spare 2 respectively and side by side, and apply in another way electromagnetic force, promptly, push-jump power, go down and make the floating rotary body 1 of magnetic continue rotation, then, the magnetic pole strength N of magnetic spare 2, S be the opposite each other electromagnetism polarity that has been subjected to replacing alternation rotary electromagnetic field and be applied in absorbing and the push-jump alternation revolving force that replaces mutually, thereby make the floating rotary body 1 of magnetic do rotation automatically; Because of the vertical section 9 along the length orientation of built-up coil 4 is that dropping on or drop on basically with center line 0 is on the longitudinal section 17 of axis, the floating rotary body 1 of magnetic is rotating clockwise or is doing in the anti-clockwise rotation, floating rotary body 1 of magnetic and magnet 2 suffered absorbing with the sizes values of push-jump sequential and revolving force and the angular speed of rotation all are equal to, this has just formed random two-way and has rotated automatically, promptly, the direction of the automatic rotation of the floating rotary body 1 of magnetic, only depend on the manual direction of dialling commentaries on classics at random, and can momentarily adopt the method for manually dialling commentaries on classics again to change the direction of the automatic rotation of the floating rotary body 1 of this magnetic randomly.

Embodiment 2: see Fig. 2

The next door of the center line 0 of the bottom in the floating rotary body 1 of magnetic, the perpendicular magnetic spare of putting 2 is housed, it 2 has vertical two magnetic pole strength N of different magnetic each other up and down, S, the next door of the center line 0 of the casing 3 below the floating rotary body 1 of magnetic, the perpendicular built-up coil of putting 4 is housed accordingly, it 4 has the up and down electromagnetism side A of two different each other electromagnetism polarity, B, the magnetic pole strength N mutual electromagnetic correspondence down of the electromagnetism side A up and the magnetic spare 2 of top, when the solenoid 6 of built-up coil 4 passes to alternating current, the alternation rotary electromagnetic field that the electromagnetism side A up of this built-up coil 4 sends upward acts on the magnetic pole strength N down of the magnetic spare 2 of top, its N is subjected to absorbing and the push-jump alternation revolving force that alternates, and make the floating rotary body 1 of the magnetic that magnetic spare 2 is housed do rotation automatically, and because of the vertical section 9 along the length orientation of this built-up coil 4 be that dropping on or drop on basically with center line 0 is on the longitudinal section 17 of axis, then, the floating rotary body 1 of this magnetic is to make random two-way to rotate automatically, and its principle and type of action are same as example 1 and with reference to figure 1.

Embodiment 3: see: Fig. 3

The floating permanent magnet 10 of magnetic of the horizontal of the floating usefulness of magnetic is equipped with at center line 0 place on the top in the floating rotary body 1 of magnetic, on its magnetic pole strength down of 10, be pasted with magnetic conductive part 11 with magnetic property, this magnetic conductive part 11 has also had magnetic, the electromagnet 12 of the floating usefulness of magnetic is equipped with at center line 0 place of the casing 3 above the floating rotary body 1 of magnetic, the perpendicular built-up coil of putting 4 is housed on its next door of 12, its electromagnetism side B down of 4 is that mutual electromagnetic is corresponding with the magnetic conductive part 11 of below, when the solenoid 6 of built-up coil 4 passes to bidirectional current, the electromagnetism side B magnetic conductive part 11 downwards down of this built-up coil 6 sends the alternation rotary electromagnetic field, magnetic conductive part 11 is subjected to two-way revolving force, promptly, the floating rotary body 1 of magnetic that magnetic conductive part 11 is housed is subjected to absorbing and the push-jump revolving force that replaces, again because of described vertical section 9 is to drop on or drop on basically on the longitudinal section 17, thereby makes random two-way and rotate automatically; Its principle and type of action are same as example 1 and with reference to figure 1.

Claims

1. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a magnetic, floating rotary body and casing and circuit by magnetic forms, the floating rotary body of magnetic is equipped with the floating permanent magnet of magnetic and at least one permanent magnet that is used to rotate, and is equipped with in the casing to be used for the floating electromagnet of magnetic and at least one transducer that is used to rotate and at least one coil that is used to rotate and at least one circuit; It is characterized in that, adopt as the built-up coil of the parts that rotate usefulness and the automatic rotating system of correspondent control circuits, promptly, employing is contained in sending of the floating a rotating body of magnetic permanent magnet magnetic field and send rotating magnetic field when rotating with the floating rotary body of magnetic and is meant magnetic spare, this magnetic spare is to have opposing two magnetic pole strengths of different magnetic each other, the rotary electromagnetic field that being used to of adopting makes the described magnetic spare of the floating a rotating body of magnetic accept rotating electromagnetic power is meant the alternation rotary electromagnetic field, the circuit that is contained in the casing that adopts is meant two-way circuit, this circuit is when the input bi-directional voltage, through amplifying and control, the output of bi-directional voltage is just arranged, being used to of adopting, the magnetic induction sensor of state that detects the rotation of floating rotary body of magnetic and magnetic spare was meant the magnetic induction coil with magnetic induction performance of coiling, the coil that sends rotary electromagnetic field behind the galvanization that adopts is meant the solenoid of coiling, described magnetic induction coil and described solenoid, these two coil combination become a built-up coil together, described built-up coil has two electromagnetism sides, when the solenoid of this built-up coil is switched on, described two electromagnetism sides of this built-up coil are sent the rotary electromagnetic field of different each other electromagnetism polarity simultaneously respectively, and described built-up coil is that at least one is contained in the casing; The magnetic field of the magnetic induction coil of described built-up coil in its region takes place effectively to change and when producing magnetic induction, the two-way sensing voltage of the two-way induced electromotive force that this magnetic induction coil inspired is imported described two-way circuit, this two-way circuit passes to the bidirectional current of alternation to the solenoid of described built-up coil, the alternation rotary electromagnetic field that this built-up coil sends acts on described magnetic spare and applies revolving force with alternation to the magnetic pole strength of this magnetic spare, promptly, the floating rotary body of magnetic is in whenever rotating a circle, the electromagnetism polarity of the rotary electromagnetic field that at least one magnetic pole strength received of described magnetic spare, promptly, the N utmost point, the S utmost point, at least will be in an orderly manner alternation is once mutually, then, this alternation rotary electromagnetic field imposes on the mode of the revolving force of this magnetic pole strength, that is, absorb, push-jump, also correspondingly mutual in an orderly manner alternation once.

2. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1 is characterized in that described built-up coil is meant, the magnetic induction coil of this built-up coil and solenoid, and these two coils are side-by-side.

3. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that described built-up coil is, the magnetic induction coil of this built-up coil and solenoid, the enamelled wire separately of these two coils be wound on together with merging and and become a coil bag that four terminals are arranged around ground.

4. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that described built-up coil has ferro-magnetic core, that is, magnetic induction coil and solenoid, these two coils are to be enclosed within on the same ferromagnetic core.

5. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that described two-way circuit is the bridge control circuit, promptly, this circuit is made up of two amplifying stages complementations, and the output of two reverse each other inputs and two paraphase each other arranged, promptly, a certain output is a high potential, another output is an electronegative potential, then, between two outputs potential difference is arranged, these two outputs connect two terminals to the solenoid of built-up coil respectively, that is, the magnetic induction coil of this built-up coil send two-way signaling voltage import this bridge control circuit, two outputs of this bridge control circuit are exported the voltage of alternation and are passed to two-way alternating current to this solenoid, and this solenoid and this built-up coil send the alternation rotary electromagnetic field.

6. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that, when the vertical section along the length orientation of described built-up coil is that to drop on or drop on basically with the center line be on the longitudinal section of axis the time, no matter the floating rotary body of magnetic is done suitable or the counterclockwise rotation, the mode of the revolving force that the magnetic pole strength of floating rotary body of described magnetic and magnetic spare is suffered, equally all be push-jump by absorbing, and the sizes values of sequential and revolving force and the angular speed of rotation all equate, therefore, described automatic rotation is that random two-way rotates automatically.

7. the automatic rotating system and the random two-way automatic rotating system according to claim 6 of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that, the midline of floating the bottom of rotary body at magnetic is equipped with a horizontal magnetic spare, midline in the casing below the floating rotary body of the floating rotation of this magnetic is equipped with a horizontal built-up coil, in the case, the vertical section along the length orientation of this built-up coil is that to drop on the center line be on the longitudinal section of axis, the solenoid of described built-up coil is when passing to bidirectional current, the alternation rotary electromagnetic field of the different each other electromagnetism polarity that send respectively and simultaneously two horizontal electromagnetism sides of this built-up coil, the alternation rotary electromagnetic field of these both sides act on respectively and side by side two of horizontal correspondence of described horizontal magnetic spare of the top each other different pole magnetic pole strength, two transverse magnetic pole-faces of this magnetic spare all are applied in respectively and simultaneously to absorb with push-jump make floating rotary body of magnetic and the magnetic spare that alternates and make the random two-way two-way alternation revolving force of rotation automatically.

8. the automatic rotating system and the random two-way according to claim 6 of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1 rotate system automatically, it is characterized in that, the perpendicular built-up coil of putting is equipped with on the next door towards the center line in the orientation of the floating rotary body of magnetic at casing, the vertical section along length of this built-up coil is that to drop on the center line be on the longitudinal section of axis, the magnetic spare of the perpendicular magnetic pole strength of putting with vertical magnetic is housed on the next door towards the center line in the orientation of casing of the floating a rotating body of this magnetic, the electromagnetism side towards the floating rotary body of magnetic towards the magnetic pole strength of casing and described built-up coil of this magnetic spare is corresponding, promptly, the alternation rotary electromagnetic field that send upward this electromagnetism side acts on this magnetic pole strength towards casing of magnetic spare of the floating a rotating body of magnetic of top, and applies to make random two-way the rotating electromagnetic power with the push-jump alternation that alternates of absorbing of rotation automatically.

9. the automatic rotating system of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that described magnetic spare is meant magnetic conductive part, described magnetic conductive part is the strip spare made from the ferromagnet with magnetic conductivity, it medially is mounted on the magnetic pole strength of level of the floating permanent magnet of described magnetic of horizontal, since it magnetic conduction arrived magnetic, send rotating magnetic field when rotated.

10. automatic rotating system and the random two-way automatic rotating system according to claim 6 and the magnetic conductive part according to claim 9 of the employing alternation rotary electromagnetic field of the floating rotary body of a kind of magnetic according to claim 1, it is characterized in that, what the midline on the top of the floating rotary body of magnetic was equipped with horizontal is used for the floating permanent magnet of the floating magnetic of magnetic, lower magnetic pole face place at the floating permanent magnet of this magnetic, flatly medially be pasted with the magnetic conductive part of strip, the midline of the casing above the floating rotary body of this magnetic is equipped with an electromagnet that is used to send the floating electromagnetic field of magnetic, next door at this electromagnet, the perpendicular built-up coil of putting is housed, when the solenoid of this built-up coil is switched on, the electromagnetism side down of this built-up coil is sent the alternation rotary electromagnetic field downwards, this alternation rotary electromagnetic field acts on the described magnetic conductive part of the floating a rotating body of magnetic of below, and apply to absorb and the push-jump alternation revolving force that alternates to this magnetic conductive part, make the floating rotary body of this magnetic that described magnetic conductive part is housed do magnetic floating in, make random two-way and rotate automatically.