CN202309575U - Magnetic suspension apparatus - Google Patents
Magnetic suspension apparatus Download PDFInfo
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- CN202309575U CN202309575U CN2011203785941U CN201120378594U CN202309575U CN 202309575 U CN202309575 U CN 202309575U CN 2011203785941 U CN2011203785941 U CN 2011203785941U CN 201120378594 U CN201120378594 U CN 201120378594U CN 202309575 U CN202309575 U CN 202309575U
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- magnetic
- hall element
- electromagnet
- suspended substance
- comparative result
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Abstract
The utility model discloses a magnetic suspension apparatus, comprising a pedestal and a suspended matter. The pedestal comprises a first magnetizer and a permanent magnet ring, and the permanent magnet ring is absorbed on the first magnetizer; the suspended matter comprises a second magnetizer and a permanent magnet, the permanent magnet is absorbed on the second magnetizer, and the central magnetic pole of the permanent magnet ring is same as the relative face magnetic pole of the permanent magnet. According to the magnetic suspension apparatus provided by the embodiment of the utility model, the suspended matter can suspend over the front of the pedestal stably no matter in what direction the pedestal is located.
Description
Technical field
The utility model relates to magnetic levitation system, is specifically related to a kind of magnetic levitation system of concentrated magnetic.
Background technology
So-called magnetic suspension, a magnetic object is suspended on another magnetic object exactly, and the electromagnet that utilization can change magnetic field power and direction is controlled the motion of levitated object.Magnetic levitation system generally comprises pedestal and suspended substance, is provided with electromagnet in the pedestal, is provided with permanent magnet in the suspended substance, and electromagnet produces repulsive force to suspended substance and comes the gravity of balance suspended substance, thereby suspended substance is suspended in midair.
Magnetic suspension toy according to the pattern making one-tenth of above-mentioned magnetic levitation system has been arranged on the market; Like magnetic suspension wipping top, magnetic suspension tellurion etc.; These magnetic suspension toys are popular; But the inventor of the utility model finds magnetic levitation system of the prior art and has following problem: (1) product can only just can be done the action that suspends by suspended substance when the product base level is placed, and very high to the horizontality requirement of pedestal, is difficult to product is carried out omnibearing popularization.(2) operation inconvenience, conventional magnetic levitation product is difficult to find correct precalculated position when placing suspended substance.(3) unstable properties; These two magnetic objects can't self remedy and produce some problems in its production process in the existing design; Uneven or the scarce magnetic of some small sizes such as magnetic field; These two magnetic objects are critical components in whole device, and the defective of itself will be brought destabilizing factor to device.(4) this controls the electromagnet of suspended substance motion in addition; If its magnetic field that can produce of electromagnet of using traditional method to make is limited; The result who causes like this can be that this electromagnet does not just produce active force for the more weak suspended substance of some magnetic; Or active force is very little, so very institute's product suspended substance in work is easy to shot down by some very slight external force.
The utility model content
The utility model embodiment provides a kind of magnetic levitation system, and the suspended substance in the said magnetic levitation system can both be suspended in the place ahead of said pedestal stably when pedestal is in various direction.
The technical scheme that the utility model provides is following:
A kind of magnetic levitation system; Comprise: pedestal and suspended substance, said pedestal comprises first magnetic conductor, permanent magnetic ring; Said permanent magnetic ring is adsorbed on said first magnetic conductor; Said suspended substance comprises second magnetic conductor and permanent magnet, and said permanent magnet is adsorbed on said second magnetic conductor, and the opposite face magnetic pole of the central magnetic pole of said permanent magnetic ring and said permanent magnet is identical.
Preferably, said pedestal also comprises electromagnet and gathers magnetic sheet, and the said magnetic sheet that gathers is installed on the said electromagnet side of said suspended substance dorsad, and said quantity of gathering magnetic sheet is identical with the quantity of said electromagnet.
Preferably; Said pedestal also comprises wiring board; Hall element support and the Hall element that is used to respond to said suspended substance change in location, said Hall element is installed on the said Hall element support, and said Hall element support is installed on the said wiring board.
Preferably, said electromagnet has four, and said four electromagnet are built in the permanent magnetic ring with crosswise, two electromagnet series connection on the trunnion axis, two electromagnet series connection on the vertical axes.
Preferably; Said Hall element support is provided with along trunnion axis and vertical axes direction, and said Hall element has three, is respectively first Hall element; Second Hall element and the 3rd Hall element; Said first Hall element be installed in the Hall element support just above, said second Hall element is installed in Hall element support level direction of principal axis, said the 3rd Hall element is installed in Hall element support vertical axes direction.
Preferably; Said wiring board is installed on said first magnetic conductor; Said wiring board is provided with amplifying circuit; Comparison circuit and solenoid driver circuit, said Hall element pass to said amplifying circuit with the position variation signal of the suspended substance of collecting to carry out signal and amplifies, and the signal after the said amplification compares through said comparison circuit; Comparative result by said comparison circuit determines whether to trigger said solenoid driver circuit, so that said solenoid driver circuit is controlled the magnetic direction of said electromagnet.Preferably, when said suspended substance position changed, said Hall element produced small variation voltage signal, and said Hall element passes to said signal amplification circuit with said small variation voltage signal and amplifies and become amplification voltage signal.
Preferably, said comparison circuit comprises first comparator and second comparator, and said amplification voltage signal signal is input to said first comparator and said second comparator; First comparative voltage of said amplification voltage signal and said first comparator relatively after; Export first comparative result, second comparative voltage of said amplification voltage signal and said second comparator relatively after, export second comparative result; When said first comparative result is identical with said second comparative result; Do not trigger said solenoid driver circuit, when said first comparative result and said second comparative result are inequality, trigger said solenoid driver circuit.
Preferably; When said first comparative result and said second comparative result are inequality; Trigger the corresponding circuits in the said solenoid driver circuit respectively, in said solenoid driver circuit, produce by drive current, said drive current flows into said electromagnet; Make said electromagnet produce magnetic field, make the said suspended substance of said magnet control.
The magnetic levitation system that the utility model embodiment provides; Comprise pedestal and suspended substance, said pedestal comprises first magnetic conductor, permanent magnetic ring; Said permanent magnetic ring is adsorbed on said first magnetic conductor; Said suspended substance comprises second magnetic conductor and permanent magnet, and said permanent magnet is adsorbed on said second magnetic conductor, and the opposite face magnetic pole of the central magnetic pole of said permanent magnetic ring and said permanent magnet is identical.Compared with prior art, the magnetic levitation system that the utility model embodiment provides, when pedestal was in various direction, said suspended substance can both be suspended in the place ahead of said pedestal stably.
Description of drawings
Fig. 1 is the end view of magnetic levitation system when base level is placed among the utility model embodiment;
Fig. 2 is the end view of magnetic levitation system when the pedestal suspension is placed among the utility model embodiment;
Fig. 3 is the end view of magnetic levitation system when pedestal is vertically placed among the utility model embodiment;
Fig. 4 is the vertical view of pedestal among the utility model embodiment;
Fig. 5 not paste the magnetic line of force branch sketch map that gathers magnetic sheet;
Fig. 6 has pasted the magnetic line of force branch sketch map that gathers magnetic sheet;
Fig. 7 is the vertical view of magnetic levitation system among the utility model embodiment;
Fig. 8 is the circuit module figure of magnetic levitation system among the utility model embodiment;
Fig. 9 is the circuit diagram of magnetic levitation system among the utility model embodiment;
Figure 10 is that a suspended substance moves the embodiment sketch map among the utility model embodiment;
Figure 11 is that another suspended substance moves the embodiment sketch map among the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of magnetic levitation system, and the suspended substance in the said magnetic levitation system can both be suspended in the place ahead of said pedestal when pedestal is in various direction.Below be elaborated.
Consult Fig. 1~3, the magnetic levitation system among the utility model embodiment comprises: pedestal 10, suspended substance 20 and power supply 30, pedestal 10 comprise first magnetic conductor 101; Permanent magnetic ring 102, permanent magnetic ring 102 are adsorbed on first magnetic conductor 101, and first magnetic conductor 101 can make the magnetic field of permanent magnetic ring 102 evenly distribute; Suspended substance 20 comprises second magnetic conductor 201 and permanent magnet 202, and permanent magnet 202 is adsorbed on second magnetic conductor 201, and second magnetic conductor 201 can make the magnetic field of permanent magnet 202 evenly distribute; The opposite face magnetic pole of the central magnetic pole of permanent magnetic ring 102 and permanent magnet 202 is identical, when the center of permanent magnetic ring 102 is N utmost points, when the outer is the S utmost point; Magnetic poles with respect to this one side of permanent magnetic ring 102 of permanent magnet 202 are exactly the N utmost point, and the magnetic poles that are adsorbed on second magnetic conductor, 201 those one sides are exactly the S utmost point, the principle of inhaling mutually according to the magnetic field different name of repelling each other of the same name; The central magnetic field of permanent magnetic ring 102 repels permanent magnet 202, makes suspended substance 20 and pedestal keep certain distance, produces unsettled effect; As shown in Figure 2, when pedestal was put upside down, the magnetic field, two ends of permanent magnetic ring 102 attracted with the magnetic field of permanent magnet 202 near permanent magnetic ring 102 these sides mutually; Suspended substance can not fallen, as shown in Figure 3, when pedestal is vertically placed; The magnetic field, two ends of permanent magnetic ring 102 attracts with the magnetic field of permanent magnet 202 near permanent magnetic ring 102 these sides mutually, and suspended substance is suspended in the air.The magnetic levitation system that the utility model embodiment provides; Can only horizontal positioned compare with pedestal in the prior art; Pedestal can be placed by any direction; Suspended substance in the said magnetic levitation system can both be suspended in the place ahead of said pedestal when pedestal is in various direction, improved the use flexibility of magnetic levitation system.
Consult Fig. 4; On the basis of the foregoing description; Pedestal 10 in the magnetic levitation system that the utility model provides also comprises electromagnet 103 and gathers magnetic sheet (not drawing among the figure), gathers magnetic sheet and is installed on the said electromagnet 103 side of suspended substance 20 dorsad, and the quantity of gathering magnetic sheet is identical with the quantity of said electromagnet 103; All post one on each electromagnet 103 and gather magnetic sheet; Gather magnetic sheet and can change the magnetic field branch of electromagnet, consult Fig. 5 and Fig. 6, Fig. 5 not paste the magnetic field branch sketch map after the electromagnet energising when gathering magnetic sheet; Fig. 6 has pasted to gather the magnetic field branch sketch map after electromagnet 103 energisings behind the magnetic sheet, finds out obviously that electromagnet 103 has pasted to gather magnetic sheet magnetic field is converged on the direction.As shown in Figure 4, also comprise wiring board (not drawing among the figure) in the pedestal 10, Hall element support 107 and the Hall element 108 that is used to respond to said suspended substance change in location; Hall element support 107 can not be magnetized, and Hall element 108 can be sensed moving of suspended substance, when there is skew the position of suspended substance; Hall element 108 will produce small variation voltage because of the variation in magnetic field; Hall element 108 is installed on the Hall element support 107, and Hall element support 107 is installed in the circuit board, after Hall element produces small variation voltage; Circuit on the wiring board will be according to this small variation voltage starting drive circuit; Electric current in the drive circuit flows through electromagnet 103, makes electromagnet produce reciprocal electromagnetic field, makes suspended substance get back to original position.
With Fig. 4 is example, specifies because of after suspended substance 20 moves the course of work of circuit in electromagnet 103 and the wiring board in the pedestal:
Collect from Hall element that detailed process that the suspended substance position variation signal gets back to the origin-location to the circuit control suspended substance the wiring board is consulted Fig. 8 and Fig. 9 describes:
Wiring board is installed on first magnetic conductor 101; Said wiring board is provided with amplifying circuit; Comparison circuit and solenoid driver circuit, Hall element pass to amplifying circuit with the position variation signal of the suspended substance of collecting to carry out signal and amplifies, and the signal after the amplification compares through comparison circuit; Comparative result by comparison circuit determines whether to trigger said solenoid driver circuit, so that said solenoid driver circuit is controlled the position of said suspended substance.
Concrete, when suspended substance 20 positions changed, Hall element produced small variation voltage, and Hall element passes to signal amplification circuit with small variation voltage and amplifies and become amplification voltage signal.Comparison circuit comprises first comparator and second comparator, and amplification voltage signal is input to first comparator and second comparator, first comparative voltage of the amplification voltage signal and first comparator relatively after; Export first comparative result; Second comparative voltage of the amplification voltage signal and second comparator relatively after, export second comparative result, when first comparative result is identical with second comparative result; Explain that suspended substance does not move, and does not trigger said solenoid driver circuit.When first comparative result and second comparative result are inequality, explain that suspended substance has taken place to move, as shown in Figure 9; When the comparative result of comparator A is higher than the comparative result of comparator B; Trigger the corresponding circuits in the solenoid driver circuit respectively, to B direction drive current, drive current flows into said electromagnet by A in generation in solenoid driver circuit; Electric current in the electromagnet also be by A to B, electromagnet will produce one by the magnetic field of N to S.On the contrary, when the comparative result of comparator A was lower than the comparative result of comparator B, to A direction drive current, electromagnet will produce one by the magnetic field of S to N, makes the said suspended substance of said magnet control by B in generation in solenoid driver circuit.
Consult Figure 10; When suspended substance is moving toward the left side; Second Hall element can obtain the small-signal that a suspended substance moves to left; Deliver to the comparison circuit of forming by operational amplifier after this signal amplifies through operational amplifier and partly compare, the result is exported to the solenoid driver circuit of being made up of power tube after relatively.Drive circuit can be input to corresponding work voltage and electric current in the concentrated magnetic electromagnet, if at this moment electromagnet can produce a left side electromagnet shown in Figure 10 and suspended substance lower end same pole, and the magnetic pole that the right electromagnet and suspension lower end are earlier anti-.Repel different name through magnet with the famous prime minister and want that the principle that attracts promotes suspended substance toward the direction that moves with it, can keep suspended substance can past not move left like this.
In like manner; Consult Figure 11; When suspended substance moves toward the right; Hall element can obtain that a suspended substance moves to right small-signal, deliver to the comparison circuit of forming by operational amplifier after this signal amplifies through operational amplifier and compare, the result is exported to the solenoid driver circuit of being made up of power tube after relatively.Solenoid driver circuit can be input to corresponding work voltage and electric current in the concentrated magnetic electromagnet, and at this moment electromagnet can produce the right electromagnet shown in figure 11 and suspended substance lower end same pole, the magnetic pole that left side electromagnet and suspension lower end are earlier anti-.Repel different name through magnet with the famous prime minister and want that the principle that attracts promotes suspended substance toward the direction that moves with it, can keep suspended substance can past not move right like this.
Among the utility model embodiment, gather magnetic sheet, can make suspended substance steadily rotation above pedestal, skew all around can not take place, improved the stability of magnetic levitation system through on electromagnet, sticking.
More than magnetic levitation system that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used for helping to understand the utility model core concept; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (9)
1. a magnetic levitation system is characterized in that, comprising: pedestal and suspended substance; Said pedestal comprises first magnetic conductor; Permanent magnetic ring, said permanent magnetic ring are adsorbed on said first magnetic conductor, and said suspended substance comprises second magnetic conductor and permanent magnet; Said permanent magnet is adsorbed on said second magnetic conductor, and the opposite face magnetic pole of the central magnetic pole of said permanent magnetic ring and said permanent magnet is identical.
2. magnetic levitation system according to claim 1; It is characterized in that; Said pedestal also comprises electromagnet and gathers magnetic sheet, and the said magnetic sheet that gathers is installed on the said electromagnet side of said suspended substance dorsad, and said quantity of gathering magnetic sheet is identical with the quantity of said electromagnet.
3. magnetic levitation system according to claim 2; It is characterized in that; Said pedestal also comprises wiring board; Hall element support and the Hall element that is used to respond to said suspended substance change in location, said Hall element is installed on the said Hall element support, and said Hall element support is installed on the said wiring board.
4. magnetic levitation system according to claim 3 is characterized in that, said electromagnet has four, and said four electromagnet are built in the permanent magnetic ring with crosswise, two electromagnet series connection on the trunnion axis, two electromagnet series connection on the vertical axes.
5. magnetic levitation system according to claim 4; It is characterized in that; Said Hall element support is provided with along trunnion axis and vertical axes direction, and said Hall element has three, is respectively first Hall element; Second Hall element and the 3rd Hall element; Said first Hall element be installed in the Hall element support just above, said second Hall element is installed in Hall element support level direction of principal axis, said the 3rd Hall element is installed in Hall element support vertical axes direction.
6. according to any described magnetic levitation system of claim 3~5; It is characterized in that; Said wiring board is installed on said first magnetic conductor, and said wiring board is provided with amplifying circuit, comparison circuit and solenoid driver circuit; Said Hall element passes to said amplifying circuit with the position variation signal of the suspended substance of collecting to carry out signal and amplifies; Signal after the said amplification compares through said comparison circuit, determines whether to trigger said solenoid driver circuit by the comparative result of said comparison circuit, so that said solenoid driver circuit is controlled the magnetic direction of said electromagnet.
7. magnetic levitation system according to claim 6; It is characterized in that; When said suspended substance position changes; Said Hall element produces small variation voltage signal, and said Hall element passes to said signal amplification circuit with said small variation voltage signal and amplifies and become amplification voltage signal.
8. magnetic levitation system according to claim 7; It is characterized in that said comparison circuit comprises first comparator and second comparator, said amplification voltage signal is input to said first comparator and said second comparator; First comparative voltage of said amplification voltage signal and said first comparator relatively after; Export first comparative result, after second of said amplification voltage signal and said second comparator compares the electricity comparison, export second comparative result; When said first comparative result is identical with said second comparative result; Do not trigger said solenoid driver circuit, when said first comparative result and said second comparative result are inequality, trigger said solenoid driver circuit.
9. magnetic levitation system according to claim 8; It is characterized in that, when said first comparative result and said second comparative result are inequality, trigger the corresponding circuits in the said solenoid driver circuit respectively; In said solenoid driver circuit, produce by drive current; Said drive current flows into said electromagnet, makes said electromagnet produce magnetic field, makes the said suspended substance of said magnet control.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203785941U CN202309575U (en) | 2011-09-27 | 2011-09-27 | Magnetic suspension apparatus |
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CN2011203785941U CN202309575U (en) | 2011-09-27 | 2011-09-27 | Magnetic suspension apparatus |
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CN202309575U true CN202309575U (en) | 2012-07-04 |
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CN2011203785941U Expired - Lifetime CN202309575U (en) | 2011-09-27 | 2011-09-27 | Magnetic suspension apparatus |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102315804A (en) * | 2011-09-27 | 2012-01-11 | 沈欠辉 | Magnetic suspension apparatus |
CN102975970A (en) * | 2012-11-06 | 2013-03-20 | 无锡市羊尖兴达包装箱厂 | Intelligent magnetic suspension packing box with amplifying circuit |
CN102975962A (en) * | 2012-11-06 | 2013-03-20 | 无锡市羊尖兴达包装箱厂 | Intelligent magnetic suspension packing container with amplification circuit |
CN103268725A (en) * | 2013-06-06 | 2013-08-28 | 雷建设 | High-voltage control magnetic suspension teaching demonstration instrument |
CN108154790A (en) * | 2017-11-30 | 2018-06-12 | 沈阳工业大学 | Energy-saving type magnetic suspension tellurian |
-
2011
- 2011-09-27 CN CN2011203785941U patent/CN202309575U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102315804A (en) * | 2011-09-27 | 2012-01-11 | 沈欠辉 | Magnetic suspension apparatus |
CN102975970A (en) * | 2012-11-06 | 2013-03-20 | 无锡市羊尖兴达包装箱厂 | Intelligent magnetic suspension packing box with amplifying circuit |
CN102975962A (en) * | 2012-11-06 | 2013-03-20 | 无锡市羊尖兴达包装箱厂 | Intelligent magnetic suspension packing container with amplification circuit |
CN103268725A (en) * | 2013-06-06 | 2013-08-28 | 雷建设 | High-voltage control magnetic suspension teaching demonstration instrument |
CN108154790A (en) * | 2017-11-30 | 2018-06-12 | 沈阳工业大学 | Energy-saving type magnetic suspension tellurian |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120704 |