CN208294791U - A kind of magnetic suspension blower - Google Patents
A kind of magnetic suspension blower Download PDFInfo
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- CN208294791U CN208294791U CN201820626171.9U CN201820626171U CN208294791U CN 208294791 U CN208294791 U CN 208294791U CN 201820626171 U CN201820626171 U CN 201820626171U CN 208294791 U CN208294791 U CN 208294791U
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- magnet ring
- magnetic suspension
- inner sleeve
- rotary shaft
- housing
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Abstract
The utility model discloses a kind of magnetic suspension blowers, it includes shell, rotor, stator, rotary shaft, magnetic suspension bearing and blade, wherein, the rotor is fixedly connected with the rotary shaft, institute's stator is fixed on the case inside, and the rotor is located on the inside of the stator, and the rotary shaft is rotatably connected by the magnetic suspension bearing and the shell, the hull outside is stretched out in one end of the rotary shaft, and is fixedly connected with the blade.The magnetic suspension bearing that the magnetic suspension blower of the utility model utilizes, the suspension of variation equalization point is realized by the side-thrust that permanent magnet generates, and during use, does not need consumption electric energy, maintenance that can be not interrupted for a long time balances, and stablizes than electromagnetic suspension and super-conductive magnetic suspension.The magnetic suspension blower fan structure simple and stable of the utility model, cheap, processing and fabricating is easy, and is convenient for industrial production, widely used, is suitble to practical promote the use of.
Description
Technical field
The utility model relates to blower technical fields, and in particular to a kind of magnetic suspension blower.
Background technique
The status magnetic suspension of permanent magnetic suspension technology originates from Europe earliest, and early in 1842, mathematician Shan Muen continued
(Samuel Earnshaw) delivered a paper, if mathematically proving to depend merely on the classic electromagnetic force of macroscopical static state, magnetcisuspension
Floating is impossible.Later age person exhales this to prove grace and continues big theorem (Earnshaw ' s theorem), it is indicated that depends merely on
Permanent magnet is the suspended state that a ferromagnet cannot be held to free and stable in all six freedom degrees.Coulomb it is
French engineer and physicist.1785, coulomb was tested with torsion balance between active force and two charges between two charges of measurement
The relationship of distance.He is obtained by experiment: " repulsive force and this two ball center between two beads with same kind charge
The distance between square be inversely proportional " the same year, he describes his experimental provision in the paper of " electric power law ", test by and
Experimental result.Coulomb's law is referred to magnetic field mechanics and establishes magnetomechanics First Law, i.e. the same sex is mutually exclusive, anisotropic mutual
Attract, the size of active force is directly proportional to magnetic field strength, with square being inversely proportional for distance.Global magnetic levitation technology has three
Kind: the first is the electromagnetic suspension technology using Germany as representative, if the magnetic suspension train in Shanghai uses the technology, is for second
Handing over the superconducting magnetic suspension train developed greatly as the Xi'an in super-conductive magnetic suspension technology such as China of representative using Japan is use
The technology, the third China permanent magnetic suspension technology, also referred to as passive magnetic levitation technology, there are two representatives, first is that Dalian Ci Gu
The grooved rail permanent magnetic levitation train of Science and Technology Ltd. Li Ling groups of developments.Second is that the Li Guokun of Lanzhou CAS Institute of Physics is taught, Li Guokun religion
It awards and establishes push and pull theory and reprimand dianoetic.
Currently, there is no the relevant technologies of permanent magnet suspension motor in magnetic levitation technology field, there is no permanent magnet suspension wind more
Machine, there are electromagnetic suspension motors in existing technology, and permanent magnet suspension is different from electromagnetic suspension, super-conductive magnetic suspension, electromagnetic suspension and
Super-conductive magnetic suspension realizes static stable suspersion, and still, precondition is the electric current that must have flowing in electromagnetic coil.And
Permanent magnet suspension is not carried out static stable suspersion, but permanent magnet suspension can be achieved on stable suspersion in a dynamic state.It is existing
These achievements obtained in technology are obtained on the basis of magnetomechanics first theorem, such as magnetic suspension motor, magnetic suspension
Bearing etc..The acquirement of these achievements is all to have benefited from electromagnetic suspension and super-conductive magnetic suspension technology, and these magnetic levitation technologies exist
Serious insufficient and defect, these magnetic levitation technologies must electricity consumption, it would be desirable to be able to amount input needs electromagnetic coil to be powered, if
There is no electric current, electromagnetic suspension and superconductive suspension technology will not exist, and limited by electricity consumption, stabilization that cannot be not interrupted for a long time
It uses.Due to needing electromagnetic coil etc., the magnetic levitation system of manufacture cannot be minimized, can not be miniaturized.
It can be seen that use electromagnetic suspension in the equipment of existing magnetic levitation technology preparation, as maglev condition,
The equipment of manufacture is larger, can not minimize, cannot achieve stable suspersion, it would be highly desirable to be further improved.
Utility model content
The purpose of this utility model is to provide a kind of magnetic suspension blowers, cannot achieve to solve existing magnetic suspension blower
Stablize long-term suspension, equipment can not minimize, the higher defect of manufacturing cost.
To achieve the above object, the utility model provides a kind of magnetic suspension blower, and the magnetic suspension blower includes shell, turns
Son, stator, rotary shaft, magnetic suspension bearing and blade, wherein
The rotor is fixedly connected with the rotary shaft, and institute's stator is fixed on the case inside, and the rotor is located at institute
It states on the inside of stator, the rotary shaft is rotatably connected by the magnetic suspension bearing and the shell, one end of the rotary shaft
The hull outside is stretched out, and is fixedly connected with the blade.
In one embodiment of the utility model, the magnetic suspension bearing includes inner sleeve magnet ring and is nested with and the inner sleeve
Housing magnet ring on the outside of magnet ring, the housing magnet ring and the inner sleeve magnet ring are close by several bar magnets around peripheral side
Arrangement is formed, and the magnetic pole on the outside of the inner sleeve magnet ring is identical as the magnetic pole on the inside of the housing magnet ring.
In one embodiment of the utility model, the bar magnet in the housing magnet ring and the inner sleeve magnet ring is spoke
Penetrate the magnet that magnetizes.
In one embodiment of the utility model, the housing magnet ring is cylindrical, and bottom or top are radially inward
Side extends to form the blocking part of annular, and the inner sleeve magnet ring positioned inside is avoided to deviate from from housing magnet ring.
In one embodiment of the utility model, bearing holder (housing, cover) is equipped on the outside of the housing magnet ring and inner sleeve magnet ring.
In one embodiment of the utility model, the axial height of the inner sleeve magnet ring is less than the axial direction of the housing magnet ring
Highly, so that the inner sleeve magnet ring can move up and down in the housing magnet ring.
In one embodiment of the utility model, the quantity of the magnetic suspension bearing is at least 1.
In one embodiment of the utility model, the upper end of the housing magnet ring is equipped with electromagnetic coil, the electromagnetic wire
The corresponding inner sleeve magnet ring of circle can generate electromagnetic force to the inner sleeve magnet ring, so that inner sleeve magnet ring suspends.
In one embodiment of the utility model, the quantity of the electromagnetic coil is at least 4, and ring is located at the housing magnetic
The upper end of ring can accordingly control the electric current of inclination side electromagnetic coil, so that rotary shaft is suspended in when the inclination of suspension blower
In magnetic suspension bearing.
The basic principle for the permanent magnet suspension that the utility model utilizes, when two permanent magnet same sexes of AB are opposite, in y-axis direction
On, when A is fixed, B is mutually exclusive within the scope of h1, and is the diminution with distance, and repulsive force increases, within the scope of h2, row
Repulsion is as attraction is also reduced or becomes in the diminution of distance.Moreover, existing theory is also only explained in y-axis direction
It states, is told in the direction of the x axis without table, in the direction of the x axis, AB positive clock synchronization, B is a libration point, this equalization point has one
Point changes, and B just generates a power, we claim it to be side-thrust to this power, this side-thrust is only sent out in the magnetic induction width of A
It is raw, it is more than this width, the direction of side-thrust becomes reversely, to become side suction.And x-axis is actually perpendicular to the one of y-axis
A face, side-thrust are the power on this face.According to above-mentioned side dianoetic, the magnetic suspension bearing of the utility model is had developed.
The utility model has the advantages that
The magnetic suspension bearing that the magnetic suspension blower of the utility model utilizes realizes change by the side-thrust that permanent magnet generates
Change the suspension of equalization point, during use, does not need consumption electric energy, maintenance that can be not interrupted for a long time balances, and than electricity
Magnetic suspension and super-conductive magnetic suspension are stablized.The magnetic suspension blower fan structure simple and stable of the utility model, cheap, processing and fabricating holds
Easily, it is convenient for industrial production, it is widely used, it is suitble to practical promote the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the magnetic suspension blower of the utility model.
Fig. 2 is the structural schematic diagram of the second embodiment of the magnetic suspension blower of the utility model.
Fig. 3 is the structural schematic diagram of the 3rd embodiment of the magnetic suspension blower of the utility model.
Fig. 4 is the structural schematic diagram of the magnetic suspension bearing of the magnetic suspension blower of the utility model.
Fig. 5 is the structural schematic diagram of the fourth embodiment of the magnetic suspension blower of the utility model.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
As depicted in figs. 1 and 2, a kind of magnetic suspension blower of the utility model, magnetic suspension blower include shell 100, rotor
400, stator 300, rotary shaft 600, magnetic suspension bearing 200 and blade 500, wherein rotor 400 and the fixed company of rotary shaft 600
It connects, institute's stator 300 is fixed on 100 inside of shell, and rotor 400 is located on the inside of stator, and rotary shaft 600 passes through magnetic suspension bearing 200
It is rotatably connected with shell 100,100 outside of shell is stretched out in one end of rotary shaft 600, and is fixedly connected with blade 500.Magnetic suspension
When blower is powered, rotary shaft 600 is suspended in inside shell 100 under the action of magnetic suspension bearing 200, and rotary shaft 600 is in rotor
400 and stator 300 under the action of rotate, during rotary shaft 600 rotates, be in suspended state, rotary shaft 600 can be without rubbing
It rotates, is avoided in rotary course in the state of wiping, the heat generated due to the friction between bearing rotating member.This is practical new
The problem of magnetic suspension blower of type is run steadily in the long term, avoids the fever of magnetic suspension fan operation.The magnetic suspension of the utility model
Blower fan structure simple and stable, cheap, processing and fabricating are easy, make convenient for industrial production, widely used, suitable practical promote
With.
Magnetic suspension bearing 200 include inner sleeve magnet ring 220 and be nested with the housing magnet ring 210 on the outside of inner sleeve magnet ring, outside
210 outside of set magnet ring and the outside of inner sleeve magnet ring 220 are provided with bearing holder (housing, cover), and bearing holder (housing, cover) is for the arrangement of fixed and package interior
Magnet, housing magnet ring 210 and inner sleeve magnet ring 220 are closely arranged to be formed by several bar magnets around peripheral side, inner sleeve magnetic
220 magnetic pole is identical as the magnetic pole of 210 inside of housing magnet ring on the outside of ring.210 inner sidewall of housing magnet ring and inner sleeve magnet ring 220 it is outer
There is gap, inner sleeve magnet ring 220 has certain freedom degree on 210 inner radial of housing magnet ring between side wall.In addition, in magnetic
Suspension bearing 200 is equipped with displacement sensor, for measuring the displacement of 220 bottom of inner sleeve magnet ring Yu 210 bottom of housing magnet ring, by
In the variation with 600 speed of rotary shaft, the distance between 220 bottom of inner sleeve magnet ring and 210 bottom of housing magnet ring constantly occur
Variation, passes through displacement sensor measured value, it is known that whether inner sleeve magnet ring 220 is suspended in housing magnet ring 210.
As disposable embodiment, the bar magnet of housing magnet ring 210 and inner sleeve magnet ring 220 is magnetized by radiation
It is formed around the magnetic field of housing magnet ring and inner sleeve magnet ring side, the inside magnetic pole of housing magnet ring 210 and the outside of inner sleeve magnet ring 220
Magnetic pole is identical.The magnetic suspension bearing of the utility model utilizes homopolarity with respect to the side-thrust that permanent magnet generates, so that rotary shaft is outside
The radial shaft clearance of the repulsive force permanent axis of rotation generated between set magnet ring and the permanent magnet of inner sleeve magnet ring, so that rotary shaft is in
Suspended state.
The axial height of inner sleeve magnet ring 220 is less than the axial height of housing magnet ring 210, so that inner sleeve magnet ring 220 can be one
It freely up and down moves in fixed altitude range, due to the weight of rotary shaft 600 itself, weight of fan blade 500 etc., is rotating
The lift that blade generates in the rotary course of axis 600 generates the effect of lift or pressure to rotary shaft 600, with rotary shaft
The variation of 600 rotation speeds, inner sleeve magnet ring 220 also change hair with the rotation speed of rotary shaft in 210 axial depth of housing magnet ring
Raw to change, inner sleeve magnet ring 220 is in housing magnet ring 210, and with the variation of 600 rotation speed of rotary shaft, it is flat that there are a stress
Weighing apparatus point.At the equalization point, the maintenance balance that rotary shaft 600 can not be interrupted, so that rotary shaft 600 maintains suspension for a long time
At the equalization point of state, avoid due to friction or the additional waste and equipment heating problem for causing the energy using power supply.
As shown in figure 4, housing magnet ring 210 is cylindrical, side extends to form annular radially inward for bottom or top
Blocking part 230 avoids the inner sleeve magnet ring 220 positioned inside from deviating from from housing magnet ring 210.
The quantity of magnetic suspension bearing 200 is at least 1, and the both ends of rotary shaft 600 pass through magnetic suspension bearing 200 and shell
100 are fixedly connected, and the inside that rotary shaft 600 passes through inner sleeve magnet ring 220 is fixedly connected with inner sleeve magnet ring 220.Magnetic suspension bearing 200
The selection of quantity depends on needing the weight of the rotary shaft 600 balanced.Preferably, the quantity of magnetic suspension bearing 200 is 2, point
Rotary shaft 600 is not set at the position of two close end.
As shown in figure 3, the upper end of housing magnet ring 210 is equipped with electromagnetic coil 700, the corresponding inner sleeve magnet ring of electromagnetic coil 700
220, electromagnetic force can be generated to inner sleeve magnet ring 220, so that inner sleeve magnet ring 220 suspends.It is right before the rotation of magnetic suspension blower
Electromagnetic coil 700 charges, and the charging of electromagnetic coil 700 generates electromagnetic force, and electromagnetic force is to the inner sleeve magnet ring being fixed in rotary shaft 600
220 effects, so that inner sleeve magnet ring 220 is suspended among housing magnet ring 210, so that entire rotary shaft 600 is made to be in suspended state,
In this way rotary shaft between housing magnet ring 210 and inner sleeve magnet ring 220 electromagnetic push effect under and electromagnetic coil 700 generate electricity
Under the action of electromagnetic force between magnetic force and inner sleeve magnet ring 220, collective effect is in rotary shaft 600 in all directions
Suspended state.Preferably, the quantity of electromagnetic coil is at least 4, ring is located at the upper end of housing magnet ring, when suspension blower tilts
When, the electric current of inclination side electromagnetic coil can be accordingly controlled, so that rotary shaft is suspended in magnetic suspension bearing.Specifically, in magnetic
Suspension blower is under different use states, with the difference of suspension blower gradient, in order to keep the vacant state of rotary shaft,
Correspondingly increase electric current on electromagnetic coil 700, generate biggish electromagnetic force, realizes the hanging of rotary shaft 600, avoid inner sleeve magnetic
The effect of frictional force is generated between the lateral wall of ring 220 and the inner sidewall of housing magnet ring 210.
Preferably, the setting quantity of electromagnetic coil 700 is at least 4, it is evenly distributed on the upside of housing magnet ring 210, position
In the peripheral side of rotary shaft 600, by controlling the size of each 700 electric current of electromagnetic coil, realize rotary shaft 600 it is not ipsilateral by
The difference of power situation.For example, if left side, the inner sleeve magnet ring 220 in rotary shaft 600 can to the left when blower work
Inclination, the lateral wall of inner sleeve magnet ring 220 have the trend of contact 210 inner sidewall of housing magnet ring, at this point it is possible to control the electricity in left side
The electric current of magnetic coil 700 increases, and increases the electromagnetic force of electromagnetic coil 700.
Stator 300 is fixed on the middle position in shell 100, and rotor 400 is fixed in rotary shaft 600, with stator 300
It is correspondingly arranged.After rotor 400 and stator 300 are powered, electromagnetism power drive rotary shaft 600 is rotated, and rotary shaft 600 is with movable vane piece 500
Rotation.Blade 500 is during rotation, since the both ends of rotary shaft 600 are equipped with magnetic suspension bearing 200, so that rotary shaft
During 200 rotations, friction will not be generated in magnetic suspension bearing 200.
As disposable embodiment, as shown in figure 5, by the setting direction of setting magnetic suspension bearing 200, and will
Blade 500 is set as propeller blade, forms magnetic suspension propeller.Certainly, which can be used in other equipment, example
Such as, in the equipment such as water pump, oil pump.In the specific application process, magnetic suspension bearing can be sealed, or by magnetic suspension
Space in bearing between housing magnet ring and inner sleeve magnet ring is evacuated.
The magnetic suspension blower of the utility model realizes the suspension of variation equalization point using the side-thrust that permanent magnet generates,
The electromagnetic suspension that this aspect substitutes completely, there is not useful electric energy, without any consumption, maintenance balance not interrupted for a long time, and
Stablize than electromagnetic suspension and super-conductive magnetic suspension.The magnetic suspension blower fan structure simple and stable of the utility model, cheap, processing system
It is easy, is convenient for industrial production, it is widely used, it is suitble to practical promote the use of.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (9)
1. a kind of magnetic suspension blower, which is characterized in that the magnetic suspension blower includes shell, rotor, stator, rotary shaft, magnetcisuspension
Floating axle is held and blade, wherein
The rotor is fixedly connected with the rotary shaft, and institute's stator is fixed on the case inside, and it is described fixed that the rotor is located at
Sub- inside, the rotary shaft are rotatably connected by the magnetic suspension bearing and the shell, and one end of the rotary shaft is stretched out
The hull outside, and be fixedly connected with the blade.
2. magnetic suspension blower according to claim 1, which is characterized in that
The magnetic suspension bearing includes inner sleeve magnet ring and is nested with and the housing magnet ring on the outside of the inner sleeve magnet ring, the housing magnetic
Ring and the inner sleeve magnet ring are closely arranged to be formed by several bar magnets around peripheral side, the magnetic on the outside of the inner sleeve magnet ring
Pole is identical as the magnetic pole on the inside of the housing magnet ring.
3. magnetic suspension blower according to claim 2, which is characterized in that
Bar magnet in the housing magnet ring and the inner sleeve magnet ring is that radiation is magnetized magnet.
4. magnetic suspension blower according to claim 2, which is characterized in that
The housing magnet ring is cylindrical, and side extends to form annular blocking part radially inward for bottom or top, avoids position
Inner sleeve magnet ring in inside is deviate from from housing magnet ring.
5. magnetic suspension blower according to claim 2, which is characterized in that
Bearing holder (housing, cover) is equipped on the outside of the housing magnet ring and inner sleeve magnet ring.
6. magnetic suspension blower according to claim 2, which is characterized in that
The axial height of the inner sleeve magnet ring is less than the axial height of the housing magnet ring, so that the inner sleeve magnet ring can be described
It moves up and down in housing magnet ring.
7. magnetic suspension blower according to claim 1, which is characterized in that
The quantity of the magnetic suspension bearing is at least 1.
8. magnetic suspension blower according to claim 2, which is characterized in that
The upper end of the housing magnet ring is equipped with electromagnetic coil, and the electromagnetic coil corresponds to the inner sleeve magnet ring, can be to described interior
It covers magnet ring and generates electromagnetic force, so that inner sleeve magnet ring suspends.
9. magnetic suspension blower according to claim 8, which is characterized in that
The quantity of the electromagnetic coil is at least 4, and ring is located at the upper end of the housing magnet ring, when the inclination of suspension blower,
The electric current that inclination side electromagnetic coil can accordingly be controlled, so that rotary shaft is suspended in magnetic suspension bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626171.9U CN208294791U (en) | 2018-04-27 | 2018-04-27 | A kind of magnetic suspension blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626171.9U CN208294791U (en) | 2018-04-27 | 2018-04-27 | A kind of magnetic suspension blower |
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| Publication Number | Publication Date |
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| CN208294791U true CN208294791U (en) | 2018-12-28 |
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ID=64703090
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| CN201820626171.9U Active CN208294791U (en) | 2018-04-27 | 2018-04-27 | A kind of magnetic suspension blower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185639A (en) * | 2019-05-20 | 2019-08-30 | 宁波生久散热科技有限公司 | Novel magnetically levitated radiator fan |
| CN110410341A (en) * | 2018-04-27 | 2019-11-05 | 长春市苏伟磁悬浮技术研究所 | A kind of magnetic suspension blower |
| CN111749896A (en) * | 2020-07-07 | 2020-10-09 | 杭州派祺空气净化科技有限公司 | Energy-saving air compressor capable of eliminating friction force by utilizing magnetic suspension |
| CN112196820A (en) * | 2020-10-10 | 2021-01-08 | 中国矿业大学(北京) | Magnetic suspension local ventilator for mine |
| CN116044788A (en) * | 2023-02-03 | 2023-05-02 | 江苏海拓宾未来工业科技集团有限公司 | Magnetic suspension blower for blower system and blower method thereof |
-
2018
- 2018-04-27 CN CN201820626171.9U patent/CN208294791U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410341A (en) * | 2018-04-27 | 2019-11-05 | 长春市苏伟磁悬浮技术研究所 | A kind of magnetic suspension blower |
| CN110185639A (en) * | 2019-05-20 | 2019-08-30 | 宁波生久散热科技有限公司 | Novel magnetically levitated radiator fan |
| CN111749896A (en) * | 2020-07-07 | 2020-10-09 | 杭州派祺空气净化科技有限公司 | Energy-saving air compressor capable of eliminating friction force by utilizing magnetic suspension |
| CN111749896B (en) * | 2020-07-07 | 2022-11-08 | 山东顺和新材料科技有限公司 | Energy-saving air compressor capable of eliminating friction force by utilizing magnetic suspension |
| CN112196820A (en) * | 2020-10-10 | 2021-01-08 | 中国矿业大学(北京) | Magnetic suspension local ventilator for mine |
| WO2022073302A1 (en) * | 2020-10-10 | 2022-04-14 | 中国矿业大学(北京) | Magnetic suspension local ventilator for mining |
| CN116044788A (en) * | 2023-02-03 | 2023-05-02 | 江苏海拓宾未来工业科技集团有限公司 | Magnetic suspension blower for blower system and blower method thereof |
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