CN201608014U - Optimized magnetic attracting device - Google Patents
Optimized magnetic attracting device Download PDFInfo
- Publication number
- CN201608014U CN201608014U CN2010203009039U CN201020300903U CN201608014U CN 201608014 U CN201608014 U CN 201608014U CN 2010203009039 U CN2010203009039 U CN 2010203009039U CN 201020300903 U CN201020300903 U CN 201020300903U CN 201608014 U CN201608014 U CN 201608014U
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- magnetic
- magnetic conductor
- permanent magnet
- permanent magnets
- attraction force
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Abstract
The utility model relates to a magnetic attracting device for increasing the attraction force of a permanent magnet, which can increase the attraction force through appropriately changing magnetic circuits under the conditions of identical spaces and equal magnetic energy product. The optimized magnetic attracting device comprises at least two permanent magnets, at least three magnetizers and an attracted magnetizer; on the surface attracted with the attracted magnetizer, the permanent magnets and the magnetizers are alternatively arranged, and the permanents magnets are arranged at the two outermost sides; and the arrangement order of the magnetic poles of the permanent magnets are S-N, N-S..., or N-S, S-N... Generally, the permanent magnets are arranged according to the order of the magnetic poles of S-N, S-N, and therefore, the total magnetic field is enhanced, and is believed to increase the attraction force. The device can greatly increase the magnetic attraction force through changing the arrangement order of the magnetic poles of the permanent magnets under the conditions of identical spaces and equal magnetic energy product, and experimental results indicate that the attraction force is increased by 40 percent.
Description
Technical field
The utility model relates to a kind of magnetic means, and in particular, the utility model is the device about magnetic.
Background technology
At present, utilize the magnetic attraction device of permanent magnet to use more and more generally.In some occasion, because the restriction in space can not be done permanent magnet very big.Therefore, how in limited space,,, be the emphasis that people pay close attention to the suction of suitable cost raising magnetic by the different arrangement modes and the magnetic line of force distribution of change permanent magnet in the magnetic device of permanent magnet.
Patent Office of the People's Republic of China has announced a CN2675267Y document on February 2nd, 2005, name is called strong magnetic ironware.The outer tube of making by the non-magnet material of smooth outer surface, be arranged in a plurality of permanent magnets in the said outer tube and formed with the close-fitting plug in said outer tube two ends.Improved the suction of magnet by the arrangement of suitable magnetic direction.Yet it pays close attention to not enough to the shape facility of permanent magnet and magnetic conductor to the influence of magnetic circuit.Outer surface to non-magnet material has also only been proposed ganoid requirement, does not propose a rational numerical, so that manufacturing cost and magnetic effect reach cost performance preferably.
The utility model content
Main purpose of the present utility model is to improve permanent magnetism suction, can increase suction by appropriate change magnetic circuit under the situation of identical space and magnetic energy product.
The technical scheme that its technical problem that solves the utility model adopts is: optimization magnetic device of the present utility model comprises at least 2 permanent magnets, at least 3 magnetic conductors, is inhaled magnetic conductor; Inhaling the face that magnetic conductor is inhaled mutually with quilt, permanent magnet and magnetic conductor are alternately arranged, and the outermost both sides of arrangement are permanent magnets; The pole arrangement of permanent magnet is S-N, N-S in proper order ..., perhaps N-S, S-N ...The magnetic pole sequence arrangement that common people always press permanent magnet S-N, S-N, being strengthened in total like this magnetic field, therefore thinks that suction can increase.
By Maxwell's formula draw air gap flux density when even permanent magnetism suction be F=B2A/2 μ=Φ 2/2 μ A, in the formula: F Zhao magnetic attraction, N; B Zhao air gap flux density, T; A Zhao air gap area, m2; Φ Zhao air-gap flux, Wb; μ Zhao permeability of vacuum, H/m; When the magnetic pole area is certain, square being directly proportional of magnetic attraction and air gap flux density or magnetic flux.Therefore to expect big as far as possible magnetic attraction, just should obtain big as far as possible air gap flux density by rational magnetic Circuit Design.
Inhaling the face that magnetic conductor is inhaled mutually with quilt, the pole arrangement of permanent magnet adopts S-N, N-S in proper order ..., perhaps N-S, S-N ... just in order to make up the length raising air gap flux density that a plurality of short magnetic loops improve air gap flux density or reduce air gap section in the magnetic loop.The pole arrangement order of permanent magnet is an example with S-N, N-S, permanent magnet S, N is N again, the arrangement of S, middle continuous with magnetic conductor, when its suction surface contacted magnetic conductor (being inhaled magnetic conductor) fully, the magnetic line of force was got back to the N utmost point of permanent magnet respectively successively by magnetic conductor, air-gap, magnetic conductor (by inhaling magnetic conductor), air-gap and magnetic conductor from the S utmost point of permanent magnet, form two separate closing magnetic circuits, the magnetic attraction sum that total magnetic attraction produces for each self-applying.
And according to the S-N that puts in order, the S-N of people custom, permanent magnet N, S be N again, and the arrangement of S when its suction surface contacts magnetic conductor fully, just only can form a closed magnetic circuit (not considering the saturated and leakage field of magnetic conductor); Magnetic attraction produces by two permanent magnet series connection actings in conjunction, though because the magnetic field after the identical series connection of polarity strengthens to some extent, and its closed magnetic circuit number has reduced, magnetic loop long (magneto resistive ratio is bigger), corresponding air-gap flux will reduce.By suction test, the suction that the suction that S-N, N-S put in order puts in order than S-N, S-N is big 40%.
As preferably, inhaling the face that magnetic conductor is inhaled mutually with quilt, magnetic conductor will protrude permanent magnet 0.2-1mm.The concrete numerical value of magnetic conductor protrusion permanent magnet is decided according to permanent magnet and magnetic conductor width in the suction face relative with quilt suction magnetic conductor.Permanent magnet and magnetic conductor width are big, and the value of magnetic conductor protrusion permanent magnet also can be big slightly.The effect that magnetic conductor protrudes permanent magnet is the distribution that improves the magnetic line of force, reduces the magnetic resistance of magnetic circuit, improves the suction of magnetic.
As preferably, inhaling the face that magnetic conductor is inhaled mutually with quilt, the surface roughness of magnetic conductor is less than or equal to 0.8, and the magnetic conductor flatness is less than or equal to 0.01.The surface roughness of magnetic conductor and the improvement of flatness reduce the magnetic resistance of magnetic circuit, can significantly improve the suction of magnetic.But the too surface roughness of the magnetic conductor of high request and flatness, manufacturing cost significantly improves, and the suction of magnetic improves and is not obvious.
The beneficial effects of the utility model are: by changing putting in order of permanent magnet pole, significantly increased magnetic suction under the situation of same space and magnetic energy product, through experiment confirm, suction has improved 40%.
Description of drawings
Fig. 1 is a kind of layout schematic diagram of the present utility model.
Among the figure: 1. permanent magnet, 2. magnetic conductor is 3. inhaled magnetic conductor.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail.
Embodiment:
The magnetic device of present embodiment referring to Fig. 1, comprises 2 permanent magnets 1 and 3 magnetic conductors 2 and is inhaled magnetic conductor 3.Permanent magnet 1 and magnetic conductor 2 are alternately arranged, and the outermost both sides are magnetic conductors 2.Inhaling the face that magnetic conductor 3 is inhaled mutually with quilt, the magnetic pole of permanent magnet 1 is distributed as S-N, N-S.Inhaling the face that magnetic conductor 3 is inhaled mutually with quilt, the width of permanent magnet 1 is 2mm, and the width of magnetic conductor 2 is 4mm; It is 0.4mm that magnetic conductor 2 protrudes permanent magnet 1.Inhaling the face that magnetic conductor 3 is inhaled mutually with quilt, the surface roughness of magnetic conductor 2 is 0.8, and flatness is 0.01.
Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (3)
1. optimize the magnetic device for one kind, it is characterized in that: comprise at least 2 permanent magnets, at least 3 magnetic conductors, inhaled magnetic conductor; Inhaling the face that magnetic conductor is inhaled mutually with quilt, permanent magnet and magnetic conductor are alternately arranged, and the outermost both sides of arrangement are permanent magnets; The pole arrangement of permanent magnet is S-N, N-S in proper order ..., perhaps N-S, S-N ...
2. optimization magnetic device according to claim 1 is characterized in that: inhaling the face that magnetic conductor is inhaled mutually with quilt, magnetic conductor will protrude permanent magnet 0.2-1mm.
3. optimization magnetic device according to claim 1 is characterized in that: inhaling the face that magnetic conductor is inhaled mutually with quilt, the surface roughness of magnetic conductor is less than or equal to 0.8, and the magnetic conductor flatness is less than or equal to 0.01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203009039U CN201608014U (en) | 2010-01-18 | 2010-01-18 | Optimized magnetic attracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203009039U CN201608014U (en) | 2010-01-18 | 2010-01-18 | Optimized magnetic attracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608014U true CN201608014U (en) | 2010-10-13 |
Family
ID=42952718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203009039U Expired - Lifetime CN201608014U (en) | 2010-01-18 | 2010-01-18 | Optimized magnetic attracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200987A (en) * | 2014-09-22 | 2014-12-10 | 叶青 | Homopolar vertical magnet splicing method of magnet |
-
2010
- 2010-01-18 CN CN2010203009039U patent/CN201608014U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200987A (en) * | 2014-09-22 | 2014-12-10 | 叶青 | Homopolar vertical magnet splicing method of magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |
|
| CX01 | Expiry of patent term |