CN101924443A - Double plate type shielding device for annular permanent magnet - Google Patents
Double plate type shielding device for annular permanent magnet Download PDFInfo
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- CN101924443A CN101924443A CN2009100860844A CN200910086084A CN101924443A CN 101924443 A CN101924443 A CN 101924443A CN 2009100860844 A CN2009100860844 A CN 2009100860844A CN 200910086084 A CN200910086084 A CN 200910086084A CN 101924443 A CN101924443 A CN 101924443A
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Abstract
The invention relates to a double plate type shielding device for an annular permanent magnet. The double plate type shielding device is provided with a stand, wherein a central shaft is arranged on the stand, and the annular permanent magnet is installed on the central shaft. One plate type rotating shield is arranged on one magnetic pole end face of the annular permanent magnet, and another plate type rotating shield is arranged on the other magnetic pole end face of the annular permanent magnet. The two plate type rotating shields are connected into a whole through bridging ribs. The two plate type rotating shields are installed on the central shaft through rotating connectors, a cylindrical magnetic conducting wall is arranged outside the outer cylindrical surface of the annular permanent magnet, and the cylindrical magnetic conducting wall is installed on the stand. In the invention, and the purpose of changing the magnetic field intensity in different areas can be realized by adopting the design of respectively arranging one plate type rotating shield on both magnetic pole end faces of the annular permanent magnet; and the plate type rotating shields and the cylindrical magnetic conducting wall can form a magnetic conducting loop by adopting the design of arranging the cylindrical magnetic conducting wall outside the plate type rotating shields.
Description
Technical field
The present invention relates to a kind of double plate type shielding device of annular permanent magnet, be particularly related to a kind of screening arrangement that annular permanent magnet, cylindrical magnetic conducting wall and plate type rotating shields are installed, this screening arrangement drives plate type rotating shields by power input wheel and rotates, and the double plate type shielding device of described annular permanent magnet can utilize rotation magnetic screen principle to produce electric energy.
Background technology
The patent No. is that ZL200610113824.5 discloses a kind of magnetic shielding device that is used for the multi-layer compound structure of shielding strong magnetic field, it is characterized in that, adopts multi-layer compound structure, and comprise three layers from outside to inside: silicon steel parts are the intermediate layer; One alloy component is internal layer; One solenoid coil is skin; Alloy component is placed the silicon steel components interior, be equipped with solenoid coil in the outside of alloy component.The shield effectiveness of this magnetic shielding device is good, and is simple in structure, easy to make, but this patent is limited by overall structure, only is applicable to the photomultiplier of shielding strong magnetic field, and its function singleness can not be carried out the magnetic energy conversion; Therefore, need provide a kind of double plate type shielding device of annular permanent magnet to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of double plate type shielding device of annular permanent magnet, in this device annular permanent magnet is installed, plate type rotating shields is set, outside this plate type rotating shields, cylindrical magnetic conducting wall is set at described annular permanent magnet two magnetic pole end faces; This screening arrangement drives plate type rotating shields by power input wheel and rotates, and with the electric energy output that produces, this device can be realized electric energy output, has improved the magnetic energy conversion efficiency by induction generating set.
The objective of the invention is to realize: a kind of double plate type shielding device of annular permanent magnet by following technical proposals, a frame is arranged, on this frame, be provided with a central shaft, on this central shaft annular permanent magnet is installed, described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; One magnetic pole end face of described annular permanent magnet is provided with a plate type rotating shields, and another magnetic pole end face of described annular permanent magnet is provided with another plate type rotating shields; Described two plate type rotating shields link into an integrated entity by the bridge joint muscle; Described two plate type rotating shields are installed on the described central shaft by rotating connector, outside the outer cylinder of described annular permanent magnet, be provided with cylindrical magnetic conducting wall, this plate type rotating shields is connected with the cylindrical magnetic conducting wall magnetic conduction, and this cylindrical magnetic conducting wall is installed on the described frame.
Purpose of the present invention can also be realized by following technical proposals: a kind of double plate type shielding device of annular permanent magnet, a frame is arranged, on this frame, be provided with a central shaft, on this central shaft annular permanent magnet is installed, described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; One magnetic pole end face of described annular permanent magnet is provided with a butterfly plate type rotating shields, and another magnetic pole end face of described annular permanent magnet is provided with another butterfly plate type rotating shields; Described two butterfly plate type rotating shields link into an integrated entity by the bridge joint muscle; Described butterfly plate type rotating shields is installed on the described central shaft by rotating connector, outside the outer cylinder of described annular permanent magnet, be provided with cylindrical magnetic conducting wall, this plate type rotating shields is connected with the cylindrical magnetic conducting wall magnetic conduction, and this cylindrical magnetic conducting wall is installed on the described frame.
Compared with the prior art the present invention has following advantage:
1, the present invention adopts the design that a plate type rotating shields respectively is set at described annular permanent magnet two magnetic pole end faces, can realize that plate type rotating shields rotatablely moves around central shaft, each plate type rotating shields of the present invention and the coaxial equidistant installation of annular permanent magnet have stressed even characteristics; When plate type rotating shields is rotated, be not subjected to the interference of annular permanent magnet, only need just can realize the plate type rotating shields rotation, to reach the purpose that changes magnetic field intensity in zones of different by the less power of power input wheel input;
2, the present invention adopts the design that is outside equipped with cylindrical magnetic conducting wall in described plate type rotating shields, can make plate type rotating shields and cylindrical magnetic conducting wall form magnetic conductive loop, when plate type rotating shields was rotated, the magnetic flux in annular permanent magnet magnetic field changed, and produced electric energy output;
3, the present invention is equipped with electromagnetic generator at described magnetic conduction bush outer sleeve, can be on this electromagnetic generator input current intermittently, make plate type rotating shields produce a magnetic field, the N utmost point in this magnetic field is extremely corresponding with the N of annular permanent magnet, the S utmost point in this magnetic field is extremely corresponding with the S of annular permanent magnet, under the effect of electric current, make the magnetic line of force moment that imports in the plate type rotating shields saturated and penetrate plate type rotating shields, form a repulsion magnetic field with magnetic pole between induction generating set and the plate type rotating shields this moment, can reduce a part of induction generating set to the attraction that plate type rotating shields produces, help rotatablely moving of plate type rotating shields;
4, plate type rotating shields of the present invention adopts a slice silicon steel sheet material to be wound into blank, and the cutting forming technology is produced then, and this plate type rotating shields material is even, and shield effectiveness is good.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the stereogram of the embodiment of the invention one
Fig. 2 is the structural representation (longitudinal section) of the embodiment of the invention one
Fig. 3 is a magnetic conduction schematic representation of apparatus in the embodiment of the invention one
Fig. 4 is the Distribution of Magnetic Field schematic diagram of magnetic conduction device in the embodiment of the invention one
Fig. 5 is the Distribution of Magnetic Field schematic diagram that installs the magnetic conduction sleeve in the embodiment of the invention one additional
Fig. 6 is the Distribution of Magnetic Field schematic diagram that installs electromagnetic generator in the embodiment of the invention one additional
Fig. 7 is the structural representation (longitudinal section) of the embodiment of the invention two
Fig. 8 is a magnetic conduction schematic representation of apparatus in the embodiment of the invention two
Fig. 9 is the structural representation of barricade among the present invention
Figure 10 is the structural representation of cylindrical magnetic conducting wall among the present invention
Embodiment
Embodiment one:
Referring to Fig. 1, shown in Figure 2, the double plate type shielding device of the annular permanent magnet of present embodiment is horizontal setting, this screening arrangement has a frame 1, on this frame, be provided with a horizontal middle spindle 2, annular permanent magnet 3 is installed on this central shaft, and described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; The left side magnetic pole end face of described annular permanent magnet is provided with a plate type rotating shields 4, and the right side magnetic pole end face of described annular permanent magnet is provided with another plate type rotating shields 5; Described two plate type rotating shields link into an integrated entity by a non-magnetic bridge joint muscle 6; Described two plate type rotating shields are installed on the described central shaft by rotating connector 7, outside the outer cylinder of described annular permanent magnet, be provided with the cylindrical magnetic conducting wall 8 of position correspondence with it, this plate type rotating shields is connected with the cylindrical magnetic conducting wall magnetic conduction, and this cylindrical magnetic conducting wall bottom is installed on the described gantry base by bracing frame 9.Bracing frame described in the present embodiment adopts non-magnetic materials such as plastics, aluminium alloy, stainless steel, carbon fiber bar to make; Plate type rotating shields described in the present embodiment is fan-shaped, and the fan-shaped section of this plate type rotating shields is Shu shape, and the sector angle of two plate type rotating shields is 180 °; The material of two plate type rotating shields described in the present embodiment, size, shape are all identical, and described bridge joint muscle can be one, also can be many and evenly distribute that this bridge joint muscle is arranged between the two-plate rotary shielding body outer arcuate edge; Present embodiment is provided with two rotating connectors, be separately positioned on two plate type rotating shields, described rotating connector is fixedlyed connected with plate type rotating shields, in described rotating connector, respectively be provided with a Limit Bearing 10, can realize being rotationally connected of plate type rotating shields and central shaft by above structure; There are a power input wheel 11 and rotating connector to install; Power input wheel described in the present embodiment is a belt pulley; Annular permanent magnet described in the present embodiment is that the end face direction magnetizes, setting the annular permanent magnet left part is the N utmost point, right part is the S utmost point, and the distance values of the N pole-face of described annular permanent magnet to the S pole-face of the distance of plate type rotating shields and described annular permanent magnet to plate type rotating shields equates; This distance values is generally 0.1～0.8mm, is 0.8mm in the present embodiment.Present embodiment adopts non-magnetic bridge joint muscle that two plate type rotating shields are connected into an integral body, and described bridge joint muscle can adopt non-magnetic materials such as plastics, aluminium alloy, stainless steel, carbon fiber bar to make; This bridge joint muscle has improved the rigidity and the rotational stability of plate type rotating shields, and this kind structure also effectively raises the magnetic field utilization ratio of annular permanent magnet, thereby has improved the magnetic energy conversion efficiency.
Referring to shown in Figure 3, present embodiment adopts the design that is outside equipped with cylindrical magnetic conducting wall in described plate type rotating shields, described cylindrical magnetic conducting wall has a magnetic conducting wall main body 25, on two circular end surface about this magnetic conducting wall main body, be provided with two annular magnetic conduction limits 24, described annular magnetic conduction edge is corresponding with described two plate type rotating shields positions respectively, between this plate type rotating shields and annular magnetic conduction edge, be provided with magnetic gap 12, this plate type rotating shields is that magnetic conduction is connected with cylindrical magnetic conducting wall, this kind structure can guarantee to form magnetic conductive loop between plate type rotating shields and the cylindrical magnetic conducting wall, when plate type rotating shields is rotated, the magnetic flux in annular permanent magnet magnetic field changes, and produces electric energy output; Described plate type rotating shields and cylindrical magnetic conducting wall constitute magnetic conduction device 13 of the present invention.Magnetic conduction connection of the present invention is meant works as plate type rotating shields in continuous rotation process, two annular magnetic conduction limits of the outer arc edge of this plate type rotating shields and cylindrical magnetic conducting wall keep best magnetic gap, magnetic gap described in the present embodiment is between 0.1-1mm, and plate type rotating shields and cylindrical magnetic conducting wall constitute complete magnetic line of force passage; Referring to Fig. 4 as can be known, when two plate type rotating shields during with annular permanent magnet N pole-face and S pole-face part magnetic field shielding, the magnetic line of force 14 of the N utmost point of annular permanent magnet can't penetrate corresponding with it plate type rotating shields, have to distribute along the magnetic conduction passage of each the silicon steel sheet interlayer in this plate type rotating shields, the magnetic line of force that part upwards distributes imports another plate type rotating shields by the cylindrical magnetic conducting wall that is connected with this plate type rotating shields magnetic conduction, and finally lead winding shape permanent magnet S pole-face, the magnetic line of force that part distributes downwards is not owing to there is the magnetic conduction passage, therefore magnetic line of force distribution is comparatively loose, finally leads winding shape permanent magnet S pole-face along the center line 26 of permanent magnet.
The double plate type shielding device of the described annular permanent magnet of present embodiment can be applied to a Blast Furnace Top Gas Recovery Turbine Unit (TRT), and the design of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) is: with the external drive motors of power input wheel, drive plate type rotating shields by drive motors and rotate; The induction generating set corresponding with the annular permanent magnet body position 15 is installed on described frame, and this induction generating set is the device that has induction coil.When plate type rotating shields is rotated continuously with certain rotating speed, plate type rotating shields is every during through an induction generating set present position, to the magnetic field intensity by induction generating set be changed, make magnetic flux change and produce electric energy, electric energy is exported by induction generating set.Induction generating set that present embodiment adopts comprises conventional induction iron core, induction power coil, belongs to the prior art content.
Described rotating connector can play positioning action to plate type rotating shields, equates apart from distance between the plate type rotating shields to guarantee annular permanent magnet, guarantees that the plate type rotating shields rotation is smooth and easy; The orientation problem of described plate type rotating shields on central shaft is to solve by two Limit Bearings that are installed in the rotating connector; The whole stainless steel material (perhaps aluminum alloy materials) that adopts of this rotating connector is made, and can not adsorbed by permanent magnet, is convenient to install.
Present embodiment adopts and respectively is provided with a plate type rotating shields at described annular permanent magnet two magnetic pole end faces, and the design of bridge joint muscle is set between the two-plate rotary shielding body, can realize that two plate type rotating shields rotatablely move around central shaft, two-plate rotary shielding body of the present invention and the coaxial equidistant installation of annular permanent magnet have stressed even characteristics; When plate type rotating shields is rotated, be subjected to the interference of annular permanent magnet little, only need just can realize the plate type rotating shields rotation by the less power of power input wheel input; Present embodiment utilization rotation magnetic screen principle continues relatively little power of input by power input wheel, continues rotation in order to drive plate type rotating shields, and magnetic flux is changed, and produces electric energy; And electric energy is exported by induction generating set.
Annular permanent magnet among the present invention is a round ring magnet, and described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; Its annular section is rectangular.Described annular permanent magnet adopts and makes permanent magnet by NdFeB material, adopts the end face direction technology that magnetizes, and two end faces after magnetizing become two magnetic poles of permanent magnet, promptly are the N utmost point, the S utmost point respectively.This kind permanent magnet has long advantage of low energy consumption service life.Referring to shown in Figure 9, described plate type rotating shields adopts multilayer silicon steel sheet 16 to laminate formation, and its thickness is between 0.1～1.5mm, and the silicon steel sheet number of plies is between 2～60, and most preferred thickness is 0.3mm, and the most preferred number of plies is 10 layers; Concrete production method is to use mould to be wound into the plate shape blank of multilayer the one silicon plate material with sufficient length, use the cutting forming technology to be processed into fan-shaped barricade then, also adopt multilayer silicon steel sheet 17 to laminate formation referring to the described cylindrical magnetic conducting wall of Figure 10, concrete production method is to use mould to be wound into the cylinder blank of multilayer the one silicon plate material with sufficient length, use the cutting forming technology to be processed into the cylindrical magnetic conducting wall of annular then, because this moulding process does not cut off the distinctive bacillar structure of metal material in the process of processing, the continuity that has kept this tissue, therefore, has excellent magnetic property, shield effectiveness is good, the plate type rotating shields that adopts this kind material to make is in light weight, material is even, draws materials easily; Set up a magnetic line of force express passway for magnetic field, make the magnetic line of force of the annular permanent magnet N best S utmost point form magnetic conductive loop.
Plate type rotating shields in the present embodiment is a fan-shaped barricade, and described fan-shaped barricade sector angle can be provided with according to actual needs, for example 30 °, 45 °, 90 °, 60 °, 180 ° etc., selects 180 ° in the present embodiment for use.
Referring to Fig. 2, shown in Figure 5, in order to reduce leakage field, alleviate the weight of rotary shielding body, improve Magnetic Shielding Effectiveness, present embodiment is set with flux sleeve tube 18 outside described central shaft, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends are connected with described plate type rotating shields magnetic conduction, and these magnetic conduction sleeve two ends are provided with and the corresponding contact-making surface 19 of plate type rotating shields.Present embodiment adopts such design, can make magnetic conduction sleeve and described plate type rotating shields form magnetic conductive loop; Behind a part of magnetic field of plate type rotating shields shielding annular permanent magnet, the magnetic line of force 20 of the N utmost point in this part magnetic field can't penetrate corresponding with it plate type rotating shields, have to distribute along the magnetic conduction passage of each the silicon steel sheet interlayer in the plate type rotating shields, wherein the trend of a part of magnetic line of force makes progress, and leads back the S utmost point in magnetic field along the magnetic conductive loop that this plate type rotating shields, cylindrical magnetic conducting wall and another plate type rotating shields form; Wherein the trend of a part of magnetic line of force is downward, and leads back the S utmost point in magnetic field along the magnetic conductive loop that this plate type rotating shields, magnetic conduction sleeve and another plate type rotating shields form; Guaranteed that magnetic circuit is unimpeded, reduced the rotary resistance of plate type rotating shields, effectively increased magnetic flux, improved the magnetic field utilization ratio, reduced loss of field, to increase the power output of electric energy.Described magnetic conduction sleeve can adopt permeability magnetic materials such as iron, silicon steel sheet to make.
Referring to Fig. 2, shown in Figure 6, at described magnetic conduction bush outer sleeve electromagnetic generator 21 is housed, this electromagnetic generator is installed between described magnetic conduction sleeve and the annular permanent magnet, and fixing by the location collar 22 that is installed in the electromagnetic generator both sides.Because in power generation process, described induction generating set can produce an attraction to plate type rotating shields, hinder plate type rotating shields and rotate; Therefore, can be on this electromagnetic generator input current intermittently, make plate type rotating shields produce a magnetic field, the N utmost point in this magnetic field is extremely corresponding with the N of annular permanent magnet, the S utmost point in this magnetic field is extremely corresponding with the S of annular permanent magnet, make that to import 23 moments of the magnetic line of force in the plate type rotating shields from the N utmost point of annular permanent magnet saturated and penetrate plate type rotating shields, form a repulsion magnetic field with magnetic pole between induction generating set and the plate type rotating shields this moment, can reduce a part of induction generating set to the attraction that plate type rotating shields produces, help rotatablely moving of plate type rotating shields.Electromagnetic generator that present embodiment adopts comprises pulse current generating circuit, solenoid, and when pulse current generating circuit during to solenoid input pulse electric current, solenoid just produces a magnetic field.Pulse current generating circuit and solenoid can adopt disclosed content in the prior art.
The disclosed technical scheme of present embodiment is horizontal scheme, and central shaft is by the horizontal direction setting; The present invention can also be designed to vertical scheme, and in vertical scheme, central shaft is pressed the vertical direction setting, and the annexation of other part is constant.
Embodiment two:
Present embodiment is the improvement project on embodiment one basis, technical characterictic that occurs in the present embodiment and embodiment one identical or similar part, please refer to the description of embodiment one disclosed content or principle understands, should not be repeated in this description at this as the disclosed content of present embodiment yet.
Referring to Fig. 7, shown in Figure 8, the double plate type shielding device of the annular permanent magnet described in the present embodiment is horizontal setting, this screening arrangement has a frame 101, on this frame, be provided with a horizontal middle spindle 102, annular permanent magnet 103 is installed on this central shaft, and described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; The left side magnetic pole end face of described annular permanent magnet is provided with a butterfly plate type rotating shields 104; The right side magnetic pole end face of described annular permanent magnet is provided with another butterfly plate type rotating shields 105; Described left and right two butterfly plate type rotating shields link into an integrated entity by at least two bridge joint muscle 106; Described two butterfly plate type rotating shields are installed on the described central shaft by rotating connector 107, outside the outer cylinder of described annular permanent magnet, be provided with the cylindrical magnetic conducting wall 108 of position correspondence with it, this butterfly plate type rotating shields is connected with the cylindrical magnetic conducting wall magnetic conduction, and this cylindrical magnetic conducting wall bottom is installed on the described gantry base by bracing frame 109.The butterfly plate type rotating shields is to be made of two sectors that are provided with axisymmetricly in the present embodiment, the central angle of sector is 90 °, the section of described plate type rotating shields is Shu shape, the material of two butterfly plate type rotating shields described in the present embodiment, size, shape are all identical, described bridge joint muscle can be many and evenly distribute that this bridge joint muscle is arranged between the outer arcuate edge of two butterfly plate type rotating shields; Be provided with two rotating connectors in the present embodiment, described rotating connector is fixedlyed connected with two butterfly plate type rotating shields respectively, in described two rotating connectors, respectively be provided with a Limit Bearing 110, can realize being rotationally connected of butterfly plate type rotating shields and central shaft by above structure; There are a power input wheel 111 and rotating connector to install; Power input wheel described in the present embodiment is a belt pulley; Power input wheel described in the present embodiment is a belt pulley; Annular permanent magnet described in the present embodiment is that the end face direction magnetizes, setting the annular permanent magnet left part is the N utmost point, right part is the S utmost point, and the distance values of the N pole-face of described annular permanent magnet to the S pole-face of the distance of plate type rotating shields and described annular permanent magnet to plate type rotating shields equates; This distance values is generally 0.1～0.8mm, is 0.8mm in the present embodiment.Present embodiment adopts non-magnetic bridge joint muscle that two butterfly plate type rotating shields are connected into an integral body, and described bridge joint muscle can adopt non-magnetic materials such as plastics, aluminium alloy, stainless steel, carbon fiber bar to make; The rotational stability of its butterfly plate type rotating shields is better than the rotational stability of the screening arrangement among the embodiment one, this bridge joint muscle has improved the rigidity and the rotational stability of butterfly plate type rotating shields, and this kind structure also effectively raises the magnetic field utilization ratio of annular permanent magnet, thereby improved the magnetic energy conversion efficiency.The disclosed technical scheme of present embodiment is horizontal scheme, can also be designed to vertical scheme.
Be set with flux sleeve tube 112 outside described central shaft, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends are connected with described butterfly plate type rotating shields magnetic conduction.
At described magnetic conduction bush outer sleeve electromagnetic generator 113 is housed, this electromagnetic generator is installed between described magnetic conduction sleeve and the annular permanent magnet.
The distance values of the left side magnetic pole end face of described annular permanent magnet to the right side magnetic pole end face of the distance of butterfly plate type rotating shields and described annular permanent magnet to the butterfly plate type rotating shields equates.
The induction generating set corresponding with the annular permanent magnet body position 114 is installed on described frame.
Claims (10)
1. the double plate type shielding device of an annular permanent magnet, a frame is arranged, it is characterized in that: be provided with a central shaft on this frame, on this central shaft annular permanent magnet be installed, described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; One magnetic pole end face of described annular permanent magnet is provided with a plate type rotating shields, and another magnetic pole end face of described annular permanent magnet is provided with another plate type rotating shields; Described two plate type rotating shields link into an integrated entity by the bridge joint muscle; Described two plate type rotating shields are installed on the described central shaft by rotating connector, outside the outer cylinder of described annular permanent magnet, be provided with cylindrical magnetic conducting wall, this plate type rotating shields is connected with the cylindrical magnetic conducting wall magnetic conduction, and this cylindrical magnetic conducting wall is installed on the described frame.
2. the double plate type shielding device of annular permanent magnet according to claim 1, it is characterized in that: outside described central shaft, be set with the flux sleeve tube, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends are connected with described plate type rotating shields magnetic conduction.
3. the double plate type shielding device of annular permanent magnet according to claim 2, it is characterized in that: at described magnetic conduction bush outer sleeve electromagnetic generator is housed, this electromagnetic generator is installed between described magnetic conduction sleeve and the annular permanent magnet.
4. the double plate type shielding device of annular permanent magnet according to claim 1 is characterized in that: have a power input wheel and described rotating connector to install.
5. the double plate type shielding device of annular permanent magnet according to claim 1, it is characterized in that: the distance values of a magnetic pole end face of described annular permanent magnet to another magnetic pole end face of the distance of plate type rotating shields and described annular permanent magnet to plate type rotating shields equates that this distance values is 0.1～0.8mm.
6. the double plate type shielding device of annular permanent magnet according to claim 5 is characterized in that: the induction generating set corresponding with the annular permanent magnet body position is installed on described frame.
7. the double plate type shielding device of annular permanent magnet according to claim 1, it is characterized in that: described plate type rotating shields is fan-shaped, and the fan-shaped section of this plate type rotating shields is Shu shape.
8. the double plate type shielding device of annular permanent magnet according to claim 1 is characterized in that: described plate type rotating shields employing multilayer silicon steel plate stacking formation.
9. the double plate type shielding device of an annular permanent magnet, a frame is arranged, it is characterized in that: be provided with a central shaft on this frame, on this central shaft annular permanent magnet be installed, described annular permanent magnet comprises two extreme faces of annular magnetic, outer cylinder, center hole; One magnetic pole end face of described annular permanent magnet is provided with a butterfly plate type rotating shields, and another magnetic pole end face of described annular permanent magnet is provided with another butterfly plate type rotating shields; Described two butterfly plate type rotating shields link into an integrated entity by the bridge joint muscle; Described butterfly plate type rotating shields is installed on the described central shaft by rotating connector, outside the outer cylinder of described annular permanent magnet, be provided with cylindrical magnetic conducting wall, this butterfly plate type rotating shields is connected with the cylindrical magnetic conducting wall magnetic conduction, and this cylindrical magnetic conducting wall is installed on the described frame.
10. the double plate type shielding device of annular permanent magnet according to claim 9, it is characterized in that: outside described central shaft, be set with the flux sleeve tube, this magnetic conduction sleeve is installed between described central shaft and the annular permanent magnet, and described magnetic conduction sleeve two ends are connected with described butterfly plate type rotating shields magnetic conduction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100860844A CN101924443A (en) | 2009-06-09 | 2009-06-09 | Double plate type shielding device for annular permanent magnet |
| PCT/CN2010/072203 WO2010124609A1 (en) | 2009-04-28 | 2010-04-26 | Permanent magnet shield device and application system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100860844A CN101924443A (en) | 2009-06-09 | 2009-06-09 | Double plate type shielding device for annular permanent magnet |
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| CN101924443A true CN101924443A (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100860844A Pending CN101924443A (en) | 2009-04-28 | 2009-06-09 | Double plate type shielding device for annular permanent magnet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365125A (en) * | 2018-12-13 | 2019-02-22 | 绵阳西磁科技有限公司 | The drum magnetic separator at adjustable disk pack angle |
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2009
- 2009-06-09 CN CN2009100860844A patent/CN101924443A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365125A (en) * | 2018-12-13 | 2019-02-22 | 绵阳西磁科技有限公司 | The drum magnetic separator at adjustable disk pack angle |
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Application publication date: 20101222 |