CN202183644U - Permanent magnet ring - Google Patents
Permanent magnet ring Download PDFInfo
- Publication number
- CN202183644U CN202183644U CN2011203057200U CN201120305720U CN202183644U CN 202183644 U CN202183644 U CN 202183644U CN 2011203057200 U CN2011203057200 U CN 2011203057200U CN 201120305720 U CN201120305720 U CN 201120305720U CN 202183644 U CN202183644 U CN 202183644U
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- permanent
- permanent magnet
- magnetic
- length
- slotted eye
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Abstract
The utility model relates to a permanent magnet ring, which comprises a magnet conductive body and a permanent magnet arranged inside the magnet conductive body. The permanent magnet ring is simple in structure, easy to process and capable of reducing permanent magnet materials as much as possible by adopting a reasonable permanent magnet distribution structure and achieving better effect, thereby reducing cost and reducing magnetic flux to the maximum extent.
Description
Technical field
The utility model relates to a kind of permanent-magnetic clamp, has lower cost and less leakage flux.
Background technology
Magneto is on rotor, to embed permanent magnet, and this permanent magnet is to be made up of a whole magnet, causes cost high, exists the cast aluminium bar that is used to start between traditional permanent magnet of permanent magnet motor and the stator, causes leakage flux bigger, and the utilance of permanent magnet is not high.
Though the product of permanent-magnetic clamp is also arranged at present, generally be that whole magnet is processed annular, do not reach and reduce cost and reduce the leakage flux phenomenon.
Therefore, research and develop a kind of novel permanent magnetic ring to reduce cost and to reduce leakage flux necessary.
Summary of the invention
The utility model is in order to solve the problems referred to above that prior art exists, and proposes a kind of can reducing cost and permanent-magnetic clamp that leakage flux is less.
The utility model is realized through following scheme:
Above-mentioned permanent-magnetic clamp is made up of magnetic conductor and the permanent magnet that is embedded in said magnetic conductor.
Described permanent-magnetic clamp, wherein: said permanent magnet is the Nd-Fe-B permanent magnet of strip structure.
Described permanent-magnetic clamp, wherein: said magnetic conductor is the loop configuration with centre bore, has the slotted eye of at least two former point symmetries, said permanent magnet is placed in the slotted eye.Has air gap between ccontaining two the above permanent magnets in the said slotted eye, adjacent two of said permanent magnet, to intercept the magnetic line of force.
Described permanent-magnetic clamp, wherein: the silicon steel sheet of the multilayer stack that said magnetic conductor adopts, be equipped with groove on each layer silicon steel sheet, the stack back forms said slotted eye.
Described permanent-magnetic clamp, wherein: said slotted eye is four of former point symmetry, these four slotted eyes are to be communicated with by three sections slotted eyes to form, with ccontaining three said permanent magnets.Said slotted eye comprises first side channel, kerve and second side channel of same length, and the length of its length and said permanent magnet is complementary; The kerve of said four slotted eyes is about former point symmetry, and the two ends of said kerve connect an end of first side channel and second side channel respectively; Said first side channel and second side channel are symmetrical set about said kerve, and the crossing extended line angle of the two is 60 °.
Described permanent-magnetic clamp, wherein: said slotted eye is four of former point symmetry, and said slotted eye is made up of one section straight trough hole, in order to a ccontaining permanent magnet, the length of its length and said permanent magnet is complementary.
Described permanent-magnetic clamp, wherein: said slotted eye is two of former point symmetry, these two slotted eyes are to be communicated with by three segment length's slotted eyes to form, can ccontaining three permanent magnets, comprise two short slightly two side channels and the middle link slot of growing slightly; Link slot is about former point symmetry in the middle of said two, and length is a bit larger tham the length of said permanent magnet, and its two ends bend the back respectively and are connected with an end of this two side channel, constitute the slotted eye that is communicated with; This two side channel is symmetrical set about middle link slot, and the length of same length of the two and permanent magnet is complementary, and the crossing extended line of the two is vertical.
Beneficial effect:
The permanent-magnetic clamp of the utility model, simple in structure, handling ease owing to adopt rational permanent magnet laying structure, can be used few permanent magnetic material of trying one's best, and reaches better effect, thereby has reduced cost, makes leakage flux be reduced to minimum.
Description of drawings
Fig. 1 is the structural representation of the utility model permanent-magnetic clamp;
Fig. 2, Fig. 3 are the structural representations of the embodiment one of the utility model permanent-magnetic clamp;
Fig. 4, Fig. 5 are the structural representations of the embodiment two of the utility model permanent-magnetic clamp;
Fig. 6, Fig. 7 are the structural representations of the embodiment three of the utility model permanent-magnetic clamp.
Embodiment
As shown in Figure 1, the permanent-magnetic clamp of the utility model comprises Nd-Fe-B permanent magnet 1 and magnetic conductor 2;
Permanent magnet 1 is a strip structure;
The installation of permanent-magnetic clamp it should be noted that: the silicon steel sheet that will guarantee magnetic conductor 2 when mounted can not disperse, and silicon steel sheet must compress, but can not let permanent magnet 1 stressed, to prevent permanent magnet 1 stressed fragmentation.
In order effectively to utilize Nd-Fe-B permanent magnet 1, strengthen air-gap field, it is multiple that being provided with of the slotted eye 21 of magnetic conductor 2 can have, and further specifies below in conjunction with embodiment.
Embodiment one
Like Fig. 2, shown in Figure 3; The slotted eye 21 of magnetic conductor 2 is four of former point symmetry; These four slotted eyes 21 are to be communicated with by three sections slotted eyes to form; Can ccontaining three permanent magnets 1, comprise first side channel 211, kerve 212 and second side channel 213 of same length, the length of its length and permanent magnet 1 is complementary.
The kerve 211 of four slotted eyes 21 is about former point symmetry, and the two ends of kerve 211 connect an end of first side channel 212 and second side channel 213 respectively;
Embodiment two
Like Fig. 4, shown in Figure 5, the slotted eye 21 of magnetic conductor 2 is four of former point symmetry, and each slotted eye 21 is made up of one section straight trough hole, and in order to a ccontaining permanent magnet 1, the length of its length and permanent magnet 1 is complementary.
Embodiment three
Like Fig. 6, shown in Figure 7, the slotted eye 21 of magnetic conductor 2 is two of former point symmetry, and these two slotted eyes 21 are to be communicated with by three segment length's slotted eyes to form, can ccontaining three permanent magnets 1, comprise two short slightly two side channels 214,215 and long slightly middle link slots 216;
This two side channel 214 and 215 is symmetrical set about middle link slot 216, and the same length of the two be complementary with the length of permanent magnet 1, and the crossing extended line of the two is vertical.
The permanent-magnetic clamp of the utility model, simple in structure, handling ease owing to adopt rational permanent magnet laying structure, can be used few permanent magnetic material of trying one's best, and reaches better effect, thereby has reduced cost, makes leakage flux be reduced to minimum.
Non-so limitation protection scope of the present invention so use the equivalence techniques variation that specification of the present invention and diagramatic content do such as, all is contained in protection scope of the present invention.
Claims (9)
1. permanent-magnetic clamp is characterized in that: said permanent-magnetic clamp is made up of magnetic conductor and the permanent magnet that is embedded in said magnetic conductor.
2. permanent-magnetic clamp as claimed in claim 1 is characterized in that: said permanent magnet is the Nd-Fe-B permanent magnet of strip structure.
3. permanent-magnetic clamp as claimed in claim 1 is characterized in that: said magnetic conductor is the loop configuration with centre bore, has the slotted eye of at least two former point symmetries, and said permanent magnet is placed in the slotted eye.
4. permanent-magnetic clamp as claimed in claim 3 is characterized in that: have air gap between ccontaining two the above permanent magnets in the said slotted eye, adjacent two of said permanent magnet, to intercept the magnetic line of force.
5. permanent-magnetic clamp as claimed in claim 1 is characterized in that: the silicon steel sheet of the multilayer stack that said magnetic conductor adopts, be equipped with groove on each layer silicon steel sheet, and the stack back forms said slotted eye.
6. like claim 3,4,5 arbitrary described permanent-magnetic clamps, it is characterized in that: said slotted eye is four of former point symmetry, and these four slotted eyes are to be communicated with by three sections slotted eyes to form, with ccontaining three said permanent magnets.
7. permanent-magnetic clamp as claimed in claim 6 is characterized in that: said slotted eye comprises first side channel, kerve and second side channel of same length, and the length of its length and said permanent magnet is complementary;
The kerve of said four slotted eyes is about former point symmetry, and the two ends of said kerve connect an end of first side channel and second side channel respectively;
Said first side channel and second side channel are symmetrical set about said kerve, and the crossing extended line angle of the two is 60 °.
8. like claim 3,4,5 arbitrary described permanent-magnetic clamps, it is characterized in that: said slotted eye is four of former point symmetry, and said slotted eye is made up of one section straight trough hole, and in order to a ccontaining permanent magnet, the length of its length and said permanent magnet is complementary.
9. like claim 3,4,5 arbitrary described permanent-magnetic clamps; It is characterized in that: said slotted eye is two of former point symmetry; These two slotted eyes are to be communicated with by three segment length's slotted eyes to form, can ccontaining three permanent magnets, comprise two short slightly two side channels and the middle link slot of growing slightly;
Link slot is about former point symmetry in the middle of said two, and length is a bit larger tham the length of said permanent magnet, and its two ends bend the back respectively and are connected with an end of this two side channel, constitute the slotted eye that is communicated with;
This two side channel is symmetrical set about middle link slot, and the length of same length of the two and permanent magnet is complementary, and the crossing extended line of the two is vertical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203057200U CN202183644U (en) | 2011-08-22 | 2011-08-22 | Permanent magnet ring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203057200U CN202183644U (en) | 2011-08-22 | 2011-08-22 | Permanent magnet ring |
Publications (1)
Publication Number | Publication Date |
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CN202183644U true CN202183644U (en) | 2012-04-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011203057200U Expired - Fee Related CN202183644U (en) | 2011-08-22 | 2011-08-22 | Permanent magnet ring |
Country Status (1)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105633514A (en) * | 2015-12-25 | 2016-06-01 | 中国航天时代电子公司 | Low-energy-consumption rotation driving apparatus for satellite-borne microwave switch |
CN109951040A (en) * | 2019-04-23 | 2019-06-28 | 山东理工大学 | Interval magnetic pole combined type permanent magnet drive motor for electric vehicle |
CN109995164A (en) * | 2019-04-23 | 2019-07-09 | 山东理工大学 | Asymmetric magnetic pole type permanent magnetism for electric vehicle and pawl pole electrical excitation driving motor |
CN109995165A (en) * | 2019-04-23 | 2019-07-09 | 山东理工大学 | Electric car salient pole electromagnetism and combined magnetic pole, mixed excitation driving motor |
CN110048531A (en) * | 2019-04-23 | 2019-07-23 | 山东理工大学 | Tangential Radial Combinations permanent magnetism and electromagnetic hybrid excitation driving motor |
-
2011
- 2011-08-22 CN CN2011203057200U patent/CN202183644U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105633514A (en) * | 2015-12-25 | 2016-06-01 | 中国航天时代电子公司 | Low-energy-consumption rotation driving apparatus for satellite-borne microwave switch |
CN105633514B (en) * | 2015-12-25 | 2019-03-15 | 中国航天时代电子公司 | A kind of satellite-borne microwave switch low energy consumption device of rotation driving |
CN109951040A (en) * | 2019-04-23 | 2019-06-28 | 山东理工大学 | Interval magnetic pole combined type permanent magnet drive motor for electric vehicle |
CN109995164A (en) * | 2019-04-23 | 2019-07-09 | 山东理工大学 | Asymmetric magnetic pole type permanent magnetism for electric vehicle and pawl pole electrical excitation driving motor |
CN109995165A (en) * | 2019-04-23 | 2019-07-09 | 山东理工大学 | Electric car salient pole electromagnetism and combined magnetic pole, mixed excitation driving motor |
CN110048531A (en) * | 2019-04-23 | 2019-07-23 | 山东理工大学 | Tangential Radial Combinations permanent magnetism and electromagnetic hybrid excitation driving motor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20140822 |
|
EXPY | Termination of patent right or utility model |