CN205792310U - A kind of magnetic levitation system - Google Patents
A kind of magnetic levitation system Download PDFInfo
- Publication number
- CN205792310U CN205792310U CN201620409174.8U CN201620409174U CN205792310U CN 205792310 U CN205792310 U CN 205792310U CN 201620409174 U CN201620409174 U CN 201620409174U CN 205792310 U CN205792310 U CN 205792310U
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- circuit
- magnetic
- solenoid
- control unit
- magnetic field
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Abstract
This utility model provides a kind of magnetic levitation system, including pedestal and suspended substance.Wherein, being provided with annular magnet in pedestal, the internal solenoid of placing of annular magnet, solenoid is connected with controlling device；Suspended substance includes power supply, magnetic field sensing circuit, circuit control unit and single solenoid, power supply is magnetic field sensing circuit, circuit control unit and solenoid, magnetic field sensing circuit and solenoid are connected respectively to circuit control unit, magnetic field sensing circuit is for detecting the magnetic direction of pedestal in suspended substance moving process, and transmit a signal to circuit control unit, circuit control unit adjusts the sense of current of solenoid according to the signal received so that the magnetic direction of solenoid keeps consistent with the magnetic direction of pedestal.Compared with existing magnetic suspension system, coil circuit of the present utility model makes the magnetic direction of circuit controlled with size, can reduce and put difficulty, and the hoverheight of suspended substance is adjustable.
Description
Technical field
This utility model relates to a kind of magnetic levitation system, is specifically related to a kind of magnetic that can regulate suspended substance magnetic direction and hoverheight
Levitation device.
Background technology
Existing magnetic levitation product, basic employing mode manually displays float.The base of magnetic suspension system typically uses annular
Magnet adjusts coil composition plus electromagnetism, and certain presumptive area magnetic direction of annulus inner ring is identical with suspended substance magnetic direction.But work as
During suspended substance region between annulus Magnet inner ring and outer ring, the direction in the magnetic direction of suspended substance own and now residing magnetic field
On the contrary, base can produce suction to suspended substance, affects the feel during putting so that the experience operability during putting is poor,
And after putting successfully, the hoverheight of suspended substance is non-adjustable.Suspended substance in existing magnetic suspension system uses permanent magnet mostly
Producing magnetic field, its magnetic direction and size all can not adjust.
Chinese patent CN201520417608.4, " magnetic levitation system " disclose a kind of suspended substance with permanent magnet and magnetic suspension machine
The structure of structure.Magnetic suspension mechanism comprises center permanent magnet and annular permanent magnet, annular permanent magnet around center permanent magnet arrange and with
Center permanent magnet separates.When suspended substance is normally suspended in above magnetic suspension mechanism, the lower surface magnetic of the permanent magnet of suspended substance with in
The upper surface magnetic of heart permanent magnet is identical, and contrary with the upper surface magnetic of annular permanent magnet.Although this apparatus structure is simple, but
It is that its hoverheight is non-adjustable.
Technology disclosed in Chinese patent CN201210056800.6, " there is the magnetic levitation system of float function of auto-lift ", logical
Cross and lifting assembly is set on base is automatically performed on magnetic levitation system the placement carrying out float, and be provided with position of suspended substance
Detection module, for detecting the poised state of suspended substance in uphill process.Although the program can change the relatively high of base and suspended substance
Degree, reaches the adjustable purpose of hoverheight, but shake easily occurs in suspended substance during base Magnet rises, and is unfavorable for putting down
Weighing apparatus.And owing to adding lifting assembly, considerably increase the height of base and the complexity of understructure.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of scalable suspended substance magnetic field
The magnetic levitation system in direction.
The technical solution adopted in the utility model is as follows:
A kind of magnetic levitation system, including pedestal and suspended substance, is provided with annular magnet in pedestal, annular magnet is internal places solenoid,
Solenoid is connected with controlling device；Suspended substance includes power supply, magnetic field sensing circuit, circuit control unit and single solenoid,
Power supply is magnetic field sensing circuit, circuit control unit and solenoid, and magnetic field sensing circuit and solenoid are connected respectively to
Circuit control unit, described magnetic field sensing circuit is for detecting the magnetic direction of pedestal in suspended substance moving process, and is transmitted by signal
To circuit control unit, described circuit control unit adjusts the sense of current of solenoid according to the signal received so that solenoid
Magnetic direction and the magnetic direction of pedestal keep consistent.
Described magnetic field sensing circuit includes single magnetic field position sensing element, addition and subtraction circuit and amplifying circuit.
Preferably, described magnetic field position sensing element uses Hall element.
Described circuit control unit includes single-chip microcomputer and current amplification circuit, current amplification circuit connect single-chip microcomputer output I/O port and
Solenoid.
Further, described current amplification circuit can use audion current amplification circuit or employing discharge circuit to carry out electric current and put
Greatly.
Described circuit control unit can also adjust the size of current of solenoid according to input signal.
Further, described input signal is inputted by key-press module.
Described power supply is battery or external power supply.
Magnetic levitation system of the present utility model uses electric magnet to replace the permanent magnet in existing suspended substance innovatively.In the process of putting
In, suspended substance is changed by the direction in magnetic field residing for magnetic field sensing circuit inductance, and circuit control unit becomes according to the magnetic direction of sensing
Change and adjust magnetic direction in time, it is to avoid occur owing to magnetic direction is the most attracting with base on the contrary when suspended substance moves to base position,
It is unfavorable for situation about putting.Further, can be adjusted by the size of current of coil by circuit control unit, thus regulation is logical
Cross the magnetic field intensity of coil, further change suspended substance institute magnetic field force induced, be finally reached the purpose changing suspended substance hoverheight,
Instead of the lifting assembly in existing scheme, reduce the complexity of understructure.Compared with existing magnetic suspension system, this practicality is new
The coil circuit of type makes the magnetic direction of circuit controlled with size, can reduce and put difficulty, and the hoverheight of suspended substance is adjustable.
Accompanying drawing explanation
Fig. 1 is that this utility model suspended substance puts schematic diagram；
Fig. 2 is the basic circuit Organization Chart of this utility model suspended substance；
Fig. 3 is the magnetic levitation system structural representation of this utility model embodiment；
Fig. 4 is the circuit block diagram of this utility model embodiment；
Fig. 5 is the audion current amplification circuit figure in this utility model embodiment.
Detailed description of the invention
This utility model suspended substance puts schematic diagram as it is shown in figure 1, wherein suspended substance 4 mainly includes coil block 3 additional circuit control
Unit processed, mainly includes four solenoids in pedestal 1, the outside of four solenoids is cased with an annular magnet, is additionally provided with
The sensor being connected with coil and control circuit.When above suspended substance 4 is normally suspended in pedestal 1, it is positioned at suspended substance 4 coil
Magnetic direction below assembly is contrary with the magnetic direction of annular permanent magnet upper surface.
As in figure 2 it is shown, containing magnetic field sensing integrated circuit, circuit control unit and solenoid in this utility model suspended substance 4,
Utilizing magnetic field sensing integrated circuit induced field direction to change, magnetic field sensing circuit is connected with circuit control unit, circuit control unit
Magnetic direction change according to sensing adjusts the sense of current by coil in time, can pass through circuit control before or after having put
Unit processed is adjusted by the size of current of coil, changes the hoverheight of suspended substance 4.Magnetic field in magnetic field sensing integrated circuit
Hall effect sensor preferentially selected by sensor.Solenoid is used for producing magnetic field, and the magnetic field force utilizing magnetic field to produce overcomes outstanding
Gravity suffered by buoyancy aid, makes suspended substance 4 contactlessly be suspended in the air.
The magnetic suspension system of prior art is during putting, owing to pedestal 1 is circular ring magnet, and annular magnet outer ring and annular magnetic
Between ferrum outer ring and inner ring, the magnetic direction of part is contrary, and magnetic direction partly and annular between annular magnet outer ring and inner ring
The magnetic direction of Magnet certain presumptive area of inner ring is contrary, and suspended substance 4 stably floats on the magnetic field required directly over Magnet below suspended substance
Direction is identical with the magnetic direction of circular ring magnet certain presumptive area of inner ring, i.e. needs to be positioned in circular ring magnet suspended substance 4
Enclosing certain presumptive area, utilizing magnetic repulsion balancing gravity to produce suspension effect, if which results in suspended substance 4 to rely on permanent magnet and base
Seat 1 balance, then during putting, when suspended substance 4 permanent magnet part between circular ring magnet outer ring and inner ring due to magnetic field
In opposite direction, suspended substance 4 can be unfavorable for putting by the stronger suction of base.In this utility model, suspended substance 4 uses electromagnetic wire
The magnetic field that circle produces replaces the magnetic field that permanent magnet produces.When the electric current in solenoid direction is passed through in initial setting up, allow it towards magnetcisuspension
Floating botton seat magnetic direction is consistent with the magnetic direction of magnetic suspension susceptor body 1 certain presumptive area of inner ring, when therefore putting, works as suspended substance
4 when moving to the position between magnetic suspension pedestal 1 inner ring and outer ring, owing to the change of magnetic direction causes by magnetic field sensor
Electromotive force changes rapidly, and owing to magnetic field sensing circuit is connected with circuit control unit, circuit control unit can quickly detect magnetic
The potential change of field sensor also makes corresponding adjustment, i.e. adjusts the sense of current by coil so that by the magnetic field of solenoid
Direction is consistent with now residing magnetic direction, the magnetic field same sex principle repelled each other, now pedestal 1 still can produce suspended substance
Repulsion, thus avoid situation attracting with magnetic suspension pedestal 1 when putting.
In like manner, when above suspended substance 4 moves to magnetic suspension pedestal 1 inner ring presumptive area, circuit control unit still can be to this
Time the potential change of magnetic field sensor make corresponding change, change the direction by coil current i.e. in time so that by coil
Magnetic direction is still identical with now residing magnetic direction.Before and after putting, can be by changing solenoid in circuit control unit
The magnitude of voltage at two ends, thus reach to adjust the purpose by solenoid current size, owing to increasing coil current, thus cause
By the change of the magnetic field intensity of coil, the increase of magnetic field intensity further changes the magnetic field force suffered by suspended substance 4, finally
Reach to change the purpose of suspended substance 4 hoverheight.
Embodiment
The present embodiment provides a kind of magnetic suspension Baffle Box of Bluetooth, audio amplifier is suspended in pedestal 1 as suspended substance 4 above, it is to avoid sound equipment is broadcast
Because contacting generation resonance with contactant during putting, thus affect tonequality.
As it is shown on figure 3, hoverheight adjustable magnetic suspension Baffle Box of Bluetooth, comprise magnetic suspension pedestal 1 and audio amplifier.Its coil 2
Being fixed on coil block 3, coil block 3 is fixed on suspended substance 4, and coil block 3 is provided with Hall element, pedestal 1
The annular permanent magnet being arranged in base including basic horizontal, and be positioned at annular permanent magnet inner ring four solenoids and with electricity
The level control unit that magnetic coil is connected.When suspended substance 4 deviates reference position, control it and return to reference position.
Providing a kind of mode building this hardware unit in the present embodiment: as shown in Figure 4, coil block 3 is by the integrated electricity of hall sensing
Road, single-chip microcomputer, audion current amplification circuit and solenoid composition, hall sensing integrated circuit includes single hall sensing unit
Part, addition and subtraction circuit and amplifying circuit, Hall element can use AN503 type integrated hall sensors.Meanwhile, this practicality is new
Type Hall element only need to use one for sensing base annular magnet relative to the change in location of suspended substance, and in prior art
The two or more Hall elements of general employing, therefore this programme has saved product cost.Single-chip microcomputer can use 51 or 52
Series, the base stage of the I/O port of single-chip microcomputer and two audion current amplification circuits controls end and is connected, and audion current amplification circuit is such as
Shown in Fig. 5, L1 is solenoid.
Audio amplifier, during putting, detects the magnetic direction of pedestal 1 in audio amplifier moving process in real time by Hall element, and Hall passes
Inductive circuit is connected with single-chip microcomputer, thus single-chip microcomputer can change the control voltage of its output I/O port by sensing circuit feedback, controls
Voltage passes through audion current amplification circuit, i.e. by changing the control voltage change audion current collection of the base stage of transistor amplifier
Electrode potential, and transistor collector is connected with solenoid L1, further changes the direction of coil both end voltage, thus change
The sense of current, finally result in the change of magnetic direction, it is to avoid the suction impact produced on the contrary due to magnetic direction during putting
Putting of magnetic suspension system.
Because the control end group pole of transistor amplifier is connected with single-chip microcomputer, control the number of depositor by changing the internal PWM of single-chip microcomputer
Value realizes the respective change of dutycycle, and single-chip microcomputer is connected with button, is scanned key value by single-chip microcomputer, single-chip microcomputer according to
The numerical value of depositor is modified by the key value of scanning, thus changes the control voltage of transistor amplifier base stage, audion base
The change of pole control voltage causes the change of collector current, and the change of electric current causes the change of voltage, and transistor collector is with electric
Magnetic coil is connected, and changes the voltage swing by coil circuit further thus changes the size by coil current.Size of current
Change causes the change by magnetic field intensity, thus changes suspended substance hoverheight.
Understand based on foregoing description, magnetic levitation system of the present utility model, it is possible to the adjustment in coil magnetic field direction during realizing putting,
Effectively reduce and put difficulty, simultaneously because coil current is adjustable, the magnetic field intensity by coil magnetic field can be changed, thus change outstanding
The hoverheight of float.
Claims (8)
1. a magnetic levitation system, including pedestal and suspended substance, it is characterised in that be provided with annular magnet in pedestal, and the internal solenoid of placing of annular magnet, solenoid is connected with controlling device；Suspended substance includes power supply, magnetic field sensing circuit, circuit control unit and single solenoid, power supply is magnetic field sensing circuit, circuit control unit and solenoid, magnetic field sensing circuit and solenoid are connected respectively to circuit control unit, described magnetic field sensing circuit is for detecting the magnetic direction of pedestal in suspended substance moving process, and transmit a signal to circuit control unit, described circuit control unit adjusts the sense of current of solenoid according to the signal received so that the magnetic direction of solenoid keeps consistent with the magnetic direction of pedestal.
A kind of magnetic levitation system the most according to claim 1, it is characterised in that described magnetic field sensing circuit includes single magnetic field position sensing element, addition and subtraction circuit and amplifying circuit.
A kind of magnetic levitation system the most according to claim 2, it is characterised in that described magnetic field position sensing element uses Hall element.
A kind of magnetic levitation system the most according to claim 1, it is characterised in that described circuit control unit includes single-chip microcomputer and current amplification circuit, current amplification circuit connects output I/O port and the solenoid of single-chip microcomputer.
A kind of magnetic levitation system the most according to claim 4, it is characterised in that current amplification circuit uses audion current amplification circuit or uses discharge circuit to carry out Current amplifier.
A kind of magnetic levitation system the most according to claim 1, it is characterised in that described circuit control unit can also adjust the size of current of solenoid according to input signal.
A kind of magnetic levitation system the most according to claim 6, it is characterised in that described input signal is inputted by key-press module.
8. according to a kind of magnetic levitation system one of claim 1 to 7 Suo Shu, it is characterised in that described power supply is battery or external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409174.8U CN205792310U (en) | 2016-05-06 | 2016-05-06 | A kind of magnetic levitation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409174.8U CN205792310U (en) | 2016-05-06 | 2016-05-06 | A kind of magnetic levitation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792310U true CN205792310U (en) | 2016-12-07 |
Family
ID=57412445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409174.8U Withdrawn - After Issue CN205792310U (en) | 2016-05-06 | 2016-05-06 | A kind of magnetic levitation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792310U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720862A (en) * | 2016-05-06 | 2016-06-29 | 江苏南大五维电子科技有限公司 | Magnetic suspension device |
| CN110415589A (en) * | 2019-07-19 | 2019-11-05 | 江苏理工学院 | A kind of magentic suspension demonstrating instrument and its modeling method |
| CN111313761A (en) * | 2020-03-25 | 2020-06-19 | 四川矿产机电技师学院 | Zoom disc type decoupling and automatic magnetic suspension system |
-
2016
- 2016-05-06 CN CN201620409174.8U patent/CN205792310U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720862A (en) * | 2016-05-06 | 2016-06-29 | 江苏南大五维电子科技有限公司 | Magnetic suspension device |
| CN110415589A (en) * | 2019-07-19 | 2019-11-05 | 江苏理工学院 | A kind of magentic suspension demonstrating instrument and its modeling method |
| CN111313761A (en) * | 2020-03-25 | 2020-06-19 | 四川矿产机电技师学院 | Zoom disc type decoupling and automatic magnetic suspension system |
| CN111313761B (en) * | 2020-03-25 | 2021-07-20 | 四川矿产机电技师学院 | Zoom disc type decoupling and automatic magnetic suspension system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20170707 |