CN2922271Y - Magnetic resisting suspension device - Google Patents

Magnetic resisting suspension device Download PDF

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Publication number
CN2922271Y
CN2922271Y CN 200620008726 CN200620008726U CN2922271Y CN 2922271 Y CN2922271 Y CN 2922271Y CN 200620008726 CN200620008726 CN 200620008726 CN 200620008726 U CN200620008726 U CN 200620008726U CN 2922271 Y CN2922271 Y CN 2922271Y
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China
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magnetic
suspended substance
base
electromagnet
group
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Expired - Lifetime
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CN 200620008726
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Chinese (zh)
Inventor
王晓冰
李良清
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Individual
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Individual
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Priority to CN 200620008726 priority Critical patent/CN2922271Y/en
Priority to US11/592,464 priority patent/US20070170798A1/en
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Publication of CN2922271Y publication Critical patent/CN2922271Y/en
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Abstract

The utility model provides a magnetic resisting suspension device that can make the suspending articles suspend and revolve upward of the base freely and horizontally, which comprises a magnetic base and a suspension article, wherein the suspension article is a single permanent-magnet suspension article. In working states, gravity can be balanced by the magnetic resisting force produced between the bases the suspension article, thereby suspending on the predefined benchmark position upward of the base. The lower magnetic end of the magnetic suspension article has single magnetism in suspension state, wherein, the base comprises an annular permanent-magnet and/or a plurality of permanent-magnets arrayed into an annular. The basic level is arranged in the base, the magnetism of upper annular surface is opposite to the lower magnetic end of the magnetic suspension article, therefore, the magnetic suspension article can suspend on the benchmark position. A control device is arranged in the base. When the magnetic suspension article on the upside of the base is deviated from the benchmark position in horizontal direction, the control device can control the magnetic suspension article to return to the benchmark position. The device can use as toys with an extreme view effect.

Description

Magnetic-repellent suspension device
Technical field
The utility model relates to a kind of magnetic levitation system, specifically, relates to a kind of magnetic-repellent suspension device.
Background technology
Existing magnetic levitation system is generally suspension type, comprises suction nozzle and suspended substance, utilize electromagnet that the suction nozzle be positioned at the suspended substance top is provided with to suspended substance (it is provided with magnet) thus the magnetic attraction that produces comes balance suspended substance gravity that suspended substance is suspended and rotates.
China utility model patent CN2569440Y discloses a kind of automatic balance type static-magnetic levitation device, comprise base and suspended substance, utilize the jacking force that magnet produced (magnetic repulsion) that is installed on the base to come balance to be positioned at the suspended substance (it is provided with magnet equally) of base top.But two suspending permanent magnet that horizontally also link to each other must be set on the suspended substance of this magnetic levitation system, the bar-shaped object that therefore can only suspend usually, and this suspended substance can not be rotated as rotating shaft with its vertical center axis.
CN1156071C, CN2726048Y, CN1267121A and US5168183A etc. disclose the magnetic levitation system of some other types.But above-mentioned these existing magnetic levitation systems all can not make suspended substance suspend above base and freely horizontally rotate.
The utility model content
The purpose of this utility model provides a kind of magnetic-repellent suspension device, suspended substance is suspended above base and freely horizontally rotates, and can not spin upside down simultaneously.
Magnetic-repellent suspension device of the present utility model comprises magnetic bases and suspended substance, wherein said suspended substance is single permanent magnetism suspended substance, in working order down, the magnetic repulsion institute balance that its gravity can be produced between base and the suspended substance, thereby be suspended in the predetermined reference position of base top, the magnetic end of magnetic suspension body when suspending has single magnetic, wherein base comprises: an annular permanent magnet and/or be arranged in the annular a plurality of permanent magnets, basic horizontal is arranged in the base, magnetic of annular surface is opposite with the magnetic of magnetic suspension body magnetic end on it, and the magnetic suspension body can be suspended in the reference position thus; And suspended substance horizontal movement control device, be arranged in the base, when the magnetic suspension body that suspends when the base top departed from the reference position in the horizontal direction, control magnetic suspension body returned the reference position.
Annular permanent magnet of the present utility model is horizontally fixed in the base of suspended substance below, thereby can produce magnetic repulsion upwards to the suspending permanent magnet that annular permanent magnet top centerline suspends and realize the balance of suspended substance in vertical direction with the gravity of balance suspended substance, this moment, suspended substance can only be done binary moving in the plane of a basic horizontal; When suspending permanent magnet was in basic VE suspended state in addition, under the effect of annular permanent magnet, suspended substance also can not overturn in vertical plane.
Electromagnet of the present utility model is fixed in the base, be preferably four, axis with annular permanent magnet in horizontal plane is that the center distributes, again by the center symmetrically in twos serial or parallel connection become one group and make the magnetic after energising of end in the same way of same group of electromagnet opposite, when it acts on the suspending permanent magnet of electromagnet group top, can on suspending permanent magnet, synthesize a horizontal force.Synthetic horizontal force can be controlled a horizontal degree of freedom of suspended substance, two degrees of freedom of such two groups of orthogonal electromagnet in just can the controlling level face, thus suspended substance is equilibrated at above the base.
Sensory-control system of the present utility model by be fixed in the base, near the electromagnet upper end, be preferably two every group totally two groups four identical magnetic sensor form, the corresponding one group of electromagnet of each group transducer, to detect the position signalling that suspending permanent magnet makes progress this group electromagnet counterparty, the orientation of every group of transducer need be corresponding to the orientation of corresponding electromagnet group during installation.
The amplifying circuit that control circuit of the present utility model joins by Transducer Signal Detecting Circuit, with signal deteching circuit, the power amplifier that joins with amplifying circuit and form with above-mentioned each power circuit that partly joins.Wherein signal deteching circuit is a subtraction circuit, each group two signal of sensor in transducer is subtracted each other and synthetic new change amount signal, thereby effectively control the suspension stability of suspended substance.
Magnetic-repellent suspension device of the present utility model utilizes the mode of annular magnet center magnetic force jacking (repulsion) that object is suspended and can under the situation that rotating mechanism additionally is not set it be rotated in the horizontal direction, thereby produces a kind of brand-new suspension effect.Magnetic-repellent suspension device of the present utility model can be widely used in various occasions, as fields such as toy, gift, advertisements, has extremely strong sight.
Description of drawings
Following with reference to accompanying drawing, by preferred embodiment the utility model is further described, wherein:
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the connection diagram of one group of electromagnet coil in the utility model base;
Fig. 3 is the schematic block diagram of the utility model base inner control circuit.
Embodiment
The utility model is based on such physics principle: the interior magnetic of near the magnetic the annular surface zone of annular magnet and certain presumptive area beyond this annular surface of annular magnet is opposite.For example, if the polarity of the upper surface of the annular magnet of horizontal positioned is S, the polarity of certain presumptive area of this annular magnet top is N so, and the power of polarity N that should the zone can change with the variation of vertical or horizontal level.
Referring to Fig. 1, magnetic-repellent suspension device of the present utility model comprises spherical suspending body 1 and flat base 2.The inwall of suspended substance 1 is fixed with cylindrical magnet iron 11.Flat base 2 internal fixation have the annular permanent magnet 3 of horizontal positioned.According to above-mentioned principle, if the magnetic of the last annular surface of the annular permanent magnet 3 in the flat base 2 is S, it is the zone of N that the magnetic that is formed by annular permanent magnet 3 is necessarily arranged near the center line above the annular permanent magnet 3 so.As shown in Figure 1, suspended substance 1 is placed in the zone that this magnetic is N, and the N that will be fixed on the cylindrical magnet iron 11 in the suspended substance 1 (is the magnetic end of cylindrical magnet iron 11 extremely, the magnetic end of suspended substance 1 just) (towards annular permanent magnet 3) down, so because well-known principle of same-sex repulsion, by the position (thereby the size of regulating magnetic repulsion) of regulating suspended substance 1, certain some place in this zone, the gravity of suspended substance 1 can be by magnetic repulsion institute balance, thereby produces suspension effect.Simultaneously, suspended substance 1 can not produce vertical yaw motion.
Thereby since cylindrical magnet iron 11 can with the interact gravity of balance suspended substances 1 of annular permanent magnet 3, therefore in suspended substance 1, come the gravity of balance suspended substance 1, thereby can reduce the volume and weight of suspended substance 1 greatly with regard to need not to be provided with in addition the annular magnet that surface magnetism is identical with annular permanent magnet 3 upper surface magnetic at present that suspends.This point is vital to the utility model; because those skilled in the art can think usually the magnet in suspended substance and the base need the same sex repel each other could the balance suspended substance gravity, and can not think that magnetic opposite magnet in opposite end can produce the effect of balance suspended substance gravity.The inventor just is being based on chancing on of when experiment, overcomes people's above-mentioned technology prejudice and has finished the utility model.
Though the gravity that this magnetic repulsion can balance suspended substance 1 catenary motion of suspended substance 1 (thereby in the suspension process, need not to control), but because in actual suspension process, suspended substance 1 also can all around move in the horizontal direction, promptly produce motion in X shown in Figure 1, Y direction, therefore also must control suspended substance 1 motion (being the motion of X, Y direction) in the horizontal direction, suspended substance horizontal movement (two degree-of-freedom motion) control device promptly is set.The technology of (two degree-of-freedom motion) belongs to conventional means to those skilled in the art though this control suspended substance moves in the horizontal direction, but for the ease of understanding the utility model better, below a kind of suspended substance horizontal movement control device has been described as example.But, it will be appreciated by those skilled in the art that the utility model is not limited to use such suspended substance horizontal movement control device, other any device of this controlled function of can realizing all is fine.
In order to control suspended substance 1 motion in the horizontal direction, also be provided with four coils, 31,32,33,34 electromagnet group of being formed in the flat base 2 by ribbon core 4.As shown in Figure 1, coil 31,32,33,34 inner circumferential surfaces along annular permanent magnet 3 evenly distribute, and be connected into separate two groups of coils 31,33 and 32,34 respectively, promptly coil groups 31,33 and coil groups 32,34 are arranged along the Y shown in the figure, directions X respectively.Respectively organize for example magnetic opposite (referring to Fig. 2) of an end (upper end for example shown in Figure 2) of the contiguous suspended substances 1 of coil groups 31,33 or contiguous cylindricality permanent magnet 11 of coil after the energising.
Position near each coil 31,32,33,34 top in base 2 also is separately installed with four hall element sensors (magnetic sensor) 51,52,53,54.Four transducers 51,52,53,54 are divided into two groups: 51,53 and 52,54, and control the exciting current of two groups of coils 31,33 and 32,34 respectively, and then control suspended substance 1 moving freely on Y and directions X.
In addition, control circuit board 6 is installed also in base, the control circuit on it is made up of the identical and relatively independent control circuit 12 of two covers.Referring to Fig. 3, the exciting current of control circuit 12 difference control coil groups 31,33 and coil groups 32,34.Each control circuit 12 comprises partly 8-11 of four circuit, and existing control circuit 12 with coil groups 31,33 is that example is described as follows:
The output voltage values of sensor groups 51,53 inserts two inputs of the subtraction circuit of signal deteching circuit part 8 respectively, therefore its output voltage values has reacted suspended substance 1 position of (being the Y direction) on coil groups 31,33 line directions, this output voltage amplifies by preamplifying circuit part 9, again through subtraction circuit part 10 and reference voltage U 0Compare, determine suitable output voltage U 1, and be transferred in the power amplifier part 11.As position and the reference voltage U of suspended substance 1 on coil groups 31,33 line directions (being the Y direction) 0When represented reference position overlaps, its output voltage U 1Be zero, when the represented reference position of the position deviation reference voltage of suspended substance 1, its output voltage U 1Non-vanishing.This output voltage U 1Change the resistance of thyrite 13, promptly change the feedback resistance resistance of power amplifier part 11, increasing or to reduce the exciting current of coil 31,33, thereby make suspended substance 1 get back to the reference position.When two groups of control circuits 12 are worked simultaneously with regard to the motion of the two-dimensional freedom (Y and directions X) of may command suspended substance 1 on the water in suspension plane, thereby and reach the three-dimensional space position of controlling suspended substance 1 fully thus and reach the purpose that suspended substance 1 is suspended.
In addition, because the magnetic of the magnetic end the when magnetic of annular surface suspends with described magnetic suspension body on the annular permanent magnet that basic horizontal is provided with in the unique structural characteristics that the utility model magnetic-repellent suspension device is had---the base is opposite, except can reaching above-mentioned suspension effect, do not needing additionally to be provided with under the situation of rotating mechanism, during suspension, suspended substance can also be in the reference position as freely horizontally rotating, thereby have unique visual effects.
It will be appreciated by those skilled in the art that above-mentioned execution mode only works the effect of the present utility model of explaining, and not should be understood to any restriction that it is made.For example: annular permanent magnet and the implication of suspended substance horizontal movement control setting in base are not limited to the enclosure that it must be arranged on base, and should be understood to any position that it can be arranged on base; Device suspended substance 1 is not limited to sphere, can be designed to other shape as required or itself is exactly the permanent magnet of a required form; Though permanent magnet 11 pref. cylindrical, bar shaped and also be fine by the permanent magnet assembly that can produce suspension characteristic that a plurality of permanent magnets combine; The permanent magnet 3 of the horizontal positioned in the base 2 is not limited to single annular permanent magnet, can also be the cylindricality permanent magnet group more than three of annular spread in horizontal plane or the assembly that the cylindricality permanent magnet group of annular permanent magnet and annular spread is superimposed in vertical direction; The annular permanent magnet 3 of horizontal positioned also can tilt a little in base 2, for example becomes 10 degree angles with horizontal plane, and promptly basic horizontal gets final product; Described annular is not limited to illustrated circular rings, can also be oval, square, rhombus, rule or irregular polygon ring etc.; Electromagnet also is not limited to 4, all be fine with two degrees of freedom on the controlling level direction more than can being divided into two groups (every group comprises an electromagnet at least), for example 6 etc., corresponding therewith, the number of magnetic sensor also is not limited to four, and the transducer that can control any number of suspended substance 1 two-dimensional freedom motion in the horizontal direction all is fine; In addition, electromagnet also is not limited to the inner circumferential surface setting along annular permanent magnet 3, can be located at inside, outside or the top of annular permanent magnet 3 as required, or arranges the space in a circumferential direction with a plurality of cylindricality permanent magnets of forming annular permanent magnet 3; In addition, electromagnet also is not limited to the coil of ribbon core, can adopt coreless coil to be used as electromagnet equally.

Claims (7)

1. magnetic-repellent suspension device, comprise magnetic bases and suspended substance, wherein said suspended substance is single permanent magnetism suspended substance, in working order down, the magnetic repulsion institute balance that its gravity can be produced between described magnetic bases and the described magnetic suspension body, thus be suspended in the predetermined reference position of described base top, and the magnetic end of described magnetic suspension body when suspending has single magnetic, it is characterized in that described base comprises:
An annular permanent magnet and/or be arranged in the annular a plurality of permanent magnets, basic horizontal is arranged in the described base, magnetic of annular surface is opposite with the magnetic of the described magnetic end of described magnetic suspension body on it, and described thus magnetic suspension body can be suspended in described reference position; And
Suspended substance horizontal movement control device is arranged in the described base, when the described magnetic suspension body that suspends when described base top departs from described reference position in the horizontal direction, controls described magnetic suspension body and returns described reference position.
2. magnetic-repellent suspension device according to claim 1 is characterized in that, described control device comprises:
Be horizontally set at least two group electromagnet in the described base, in order to control at least two degrees of freedom that described magnetic suspension body departs from described reference position in the horizontal direction respectively; And
Be located in the described base and with described at least two group electromagnet at least two group magnetic sensors of corresponding connection respectively, when described magnetic suspension body produces the displacement of the horizontal direction that departs from described reference position above described base, described at least two group magnetic sensors produce control signal corresponding respectively, be used for controlling respectively the exciting current of respectively organizing electromagnet, thereby make described magnetic suspension body return described reference position by the controllable magnetic that described electromagnet produced.
3. magnetic-repellent suspension device according to claim 2, it is characterized in that, two groups of electromagnet are set in described base, every group comprises two electromagnet that are oppositely arranged along the inner periphery direction of described annular, after the energising, the magnetic of an end of the described suspended substance of vicinity of same group of two interior electromagnet is opposite; Corresponding therewith, two groups of magnetic sensors are set in described base, two every group, respectively with corresponding electromagnet connection.
4. magnetic-repellent suspension device according to claim 3 is characterized in that, every group of magnetic sensor controlled corresponding one group of electromagnet by subtraction circuit.
5. according to the described magnetic-repellent suspension device of one of claim 1-4, it is characterized in that described suspended substance inside only is fixed with a cylindricality permanent magnet.
6. according to the described magnetic-repellent suspension device of one of claim 1-4, it is characterized in that described ring is circular rings, vesica piscis, Q-RING, rhombus ring, rule or irregular polygon ring.
7. according to the described magnetic-repellent suspension device of one of claim 1-4, it is characterized in that described suspended substance is spherical.
CN 200620008726 2005-11-02 2006-03-10 Magnetic resisting suspension device Expired - Lifetime CN2922271Y (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 200620008726 CN2922271Y (en) 2006-03-10 2006-03-10 Magnetic resisting suspension device
US11/592,464 US20070170798A1 (en) 2005-11-02 2006-11-02 Levitation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620008726 CN2922271Y (en) 2006-03-10 2006-03-10 Magnetic resisting suspension device

Publications (1)

Publication Number Publication Date
CN2922271Y true CN2922271Y (en) 2007-07-11

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CN 200620008726 Expired - Lifetime CN2922271Y (en) 2005-11-02 2006-03-10 Magnetic resisting suspension device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016202188A1 (en) * 2015-06-16 2016-12-22 肇庆市衡艺实业有限公司 Raising-type magnetic suspension apparatus
CN107200178A (en) * 2017-06-12 2017-09-26 皓科通信科技有限公司 Portable product suspension box
CN108978498A (en) * 2018-07-04 2018-12-11 重庆三峡学院 A kind of Bridge Rotation Construction Technique electromagnetism power-assisted component

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016202188A1 (en) * 2015-06-16 2016-12-22 肇庆市衡艺实业有限公司 Raising-type magnetic suspension apparatus
CN107200178A (en) * 2017-06-12 2017-09-26 皓科通信科技有限公司 Portable product suspension box
CN108978498A (en) * 2018-07-04 2018-12-11 重庆三峡学院 A kind of Bridge Rotation Construction Technique electromagnetism power-assisted component

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Effective date of abandoning: 20090923

C25 Abandonment of patent right or utility model to avoid double patenting