CN205070622U - Permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet - Google Patents
Permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet Download PDFInfo
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- CN205070622U CN205070622U CN201520620083.4U CN201520620083U CN205070622U CN 205070622 U CN205070622 U CN 205070622U CN 201520620083 U CN201520620083 U CN 201520620083U CN 205070622 U CN205070622 U CN 205070622U
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- permanent magnet
- cylinder body
- metal cylinder
- back side
- permanent
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Abstract
The utility model discloses a permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet, including annular metal cylinder body, the material of metal cylinder body is magnetically soft material, metal cylinder body inner wall is equipped with a plurality of circumference evenly distributed's permanent magnet, the permanent magnet including openly, the back and side, the back that be of permanent magnet and the contact of metal cylinder body inner wall, the another side be openly, the permanent magnet is towards the side that is of metal cylinder body circumference, the side include N extremely and S extremely, the back is the inner wall assorted arc surface with the metal cylinder body, openly is the arc surface parallel with the back, two liang of connections between a plurality of permanent magnets to homopolar connection, and zero clearance each other, the arc length at the back is 2-5 times of permanent magnet thickness, the permanent magnet passes through the binder to be fixed at metal cylinder body inner wall. The utility model discloses a permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet, the homopolar seamless butt -joint structural of a plurality of permanent magnets makes the motor -field more even.
Description
Technical field
The utility model relates to magneto field, is specifically related to a kind of permanent magnet homopolarity slitless connection structure of magneto.
Background technology
Magneto replaces hot-wire coil (namely electric excitation) to produce the magnetic field of electric machine rotation needs by permanent magnet, type comprises direct current and exchange, direct current be also divided into have brush and brushless.
Compared with electro-magnetic motor, it is simple that magneto, particularly rare-earth permanent-magnet electric machine have structure, reliable; Volume is little, and quality is light; Loss is little, and efficiency is high; The shape and size of motor versatile and flexiblely can wait remarkable advantage, and thus range of application is very extensive, almost throughout the every field of Aero-Space, national defence, industrial and agricultural production and daily life.
Along with the further expansion of application, also more and more higher to the requirement of motor, as needed the motor that efficiency is higher, more powerful, energy consumption is lower.
There are much relations in the magnetic field of electric efficiency and motor, and the magnetic field of magneto is circumferentially distributed (being generally fixed in a cylinder body) by multiple permanent magnet, produces the magnetic field space of a circle.
Correlation theory research shows, multiple permanent magnet adopts homopolarity to connect, and greatly can increase the magnetic field intensity in motor, also just greatly can improve the efficiency of motor, also provides possibility for realizing motor that is more high-power, more low energy consumption.
But because the principle of two like magnetic poles repel each other, must leave certain interval between multiple permanent magnet, cause Magnetic field inhomogeneity, motor performance is poor, and practical effect is undesirable.
If slitless connection can be realized, then just can solve this problem.
Therefore, design a kind of permanent magnet homopolarity slitless connection structure of magneto, make motor-field evenly, be this area technical issues that need to address.
Utility model content
The technical problems to be solved in the utility model: the permanent magnet homopolarity slitless connection structure designing a kind of magneto, make motor-field evenly.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A permanent magnet homopolarity slitless connection structure for magneto, comprises the metal cylinder body of ring-type, and the material of described metal cylinder body is soft magnetic material; Described metal inboard wall of cylinder block is provided with the equally distributed permanent magnet of multiple circumference, described permanent magnet comprises front, the back side and side, described permanent magnet and described metal cylinder body contact internal walls be the described back side, another side is described front, described permanent magnet is described side towards described metal cylinder body circumference, and described side comprises N pole and S pole; The described back side is the arc surface matched with the inwall of described metal cylinder body, and described front is the arc surface parallel with the described back side; Connect between two between multiple described permanent magnet, and be that homopolarity connects, and gapless each other; The arc length at the described back side is 2 ~ 5 times of described permanent magnet thickness; Described permanent magnet is fixed on described metal inboard wall of cylinder block by binding agent.
Preferably, the arc length at the described back side is 2 times of described permanent magnet thickness.
Preferably, the material of described permanent magnet is neodymium iron boron.
Preferably, described binding agent is AB glue.
Preferably, the material of described metal cylinder body is carbon steel.
Pass through technique scheme, the permanent magnet homopolarity slitless connection structure of a kind of magneto that the utility model provides, comprise metal cylinder body and permanent magnet, become by Design of Permanent Magnet back side arc length much larger than its thickness, time like this by multiple permanent magnet homopolarity slitless connection, the suction of its back side and metal cylinder body can overcome the same sex repulsive force between permanent magnet, adding permanent magnet is fixed on metal cylinder body by binding agent, can guarantee the homopolarity slitless connection between permanent magnet to be more firm like this.Its beneficial effect is: multiple permanent magnet homopolarity slitless connection structure, make motor-field evenly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of the permanent magnet homopolarity slitless connection structure that Fig. 1 is a kind of magneto disclosed in the utility model embodiment;
Fig. 2 is the schematic diagram of the permanent magnet of a kind of magneto disclosed in the utility model embodiment.
Numeral and the corresponding component title represented by letter in figure:
1. side, the back side 23., metal cylinder body 2. permanent magnet 21. front 22..
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
In order to more succinct explanation the present embodiment, at accompanying drawing or in illustrating, the known but parts incoherent with the main contents of this patent of some the art those of ordinary skill can be omitted.In addition, in order to interpreting blueprints of being more convenient for, in accompanying drawing, some parts has amplification, reduces and part omission, but does not represent size or the entire infrastructure of actual product; When not affecting interpreting blueprints and can not producing ambiguity, some parts may not chart by National Standard of Mechanical Drawing.
Embodiment:
As depicted in figs. 1 and 2, a kind of permanent magnet homopolarity slitless connection structure of magneto, comprises the metal cylinder body 1 of ring-type, and the material of metal cylinder body 1 is soft magnetic material; Metal cylinder body 1 inwall is provided with the equally distributed permanent magnet 2 of multiple circumference, permanent magnet comprises front 21, the back side 22 and side 23, permanent magnet and metal cylinder body contact internal walls be the back side 22, another side is front 21, permanent magnet is side 23 towards metal cylinder body circumference, and side comprises N pole and S pole; The back side 22 is the arc surface matched with the inwall of metal cylinder body, and front 21 is the arc surface parallel with the back side; Connect between two between multiple permanent magnet 2, and be that homopolarity connects, and gapless each other; The arc length at the back side 22 is 2 ~ 5 times of permanent magnet 2 thickness; Permanent magnet 2 is fixed on metal inboard wall of cylinder block by binding agent.
Magneto comprises stators and rotators, and version also has multiple, the structure in the present embodiment be rotor outside, stator in the rotor between structure; Rotor is that metal inboard wall of cylinder block arranges multiple permanent magnet, forms main field.
And the power of main field, generally just have influence on the efficiency of motor, in the present embodiment, multiple permanent magnet connects between two, and is homopolarity seamless connectivity, considerably increases magnetic field intensity.
The profile of stators and rotators (metal cylinder body) is all generally circular, and in order to coordinate stators and rotators, permanent magnet is circular arc, and namely the back side and front are the circular arc be parallel to each other, and is similar to a little watt (so what have is also magnetic shoe).
Permanent magnet 2 comprises front 21, the back side 22 and side 23, in fact namely the same with other cube, comprises 6 faces, comprises a front, a back side, two sides and two end faces (two end faces, do not relate to assembling, so do not explain).
Connect between two between multiple permanent magnet 2, and be that homopolarity connects, and gapless each other.Connect namely that side is bonded to each other between two, side comprises N pole and S pole, and it is exactly N and N laminating that homopolarity connects, S and S fits.
The arc length at the back side 22 is 2 ~ 5 times of permanent magnet thickness (being alternatively the width of side), and like this, the suction of the back side and metal cylinder body can overcome the same sex repulsive force between permanent magnet.
Wherein, the arc length at the back side 22 is 2 times of permanent magnet thickness.This is preferred mode, has both overcome the same sex repulsive force of permanent magnet, permanent magnet circumference arc length also not too large (namely inboard wall of cylinder block arrange permanent magnet more).
Wherein, the material of permanent magnet 2 is neodymium iron boron.Neodymium iron boron has high magnetic energy product and strong power, simultaneously the advantage of high-energy-density, and namely same volume, can provide larger magnetic field.
Wherein, binding agent is AB glue.AB glue has very high adhesive strength, is relatively applicable to this permanent magnet of bonding.
Wherein, the material of metal cylinder body 1 is carbon steel.The firm cost of carbon element is low, is soft magnetic material, can play the effect adding high-intensity magnetic field.
In the above-described embodiments, the permanent magnet homopolarity slitless connection structure of a kind of magneto that the utility model provides, comprise metal cylinder body and permanent magnet, become by Design of Permanent Magnet back side arc length much larger than its thickness, time like this by multiple permanent magnet homopolarity slitless connection, the suction of its back side and metal cylinder body can overcome the same sex repulsive force between permanent magnet, adding permanent magnet is fixed on metal cylinder body by binding agent, can guarantee the homopolarity slitless connection between permanent magnet to be more firm like this.Its beneficial effect is: multiple permanent magnet homopolarity slitless connection structure, make motor-field evenly.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (5)
1. a permanent magnet homopolarity slitless connection structure for magneto, is characterized in that, comprise the metal cylinder body of ring-type, and the material of described metal cylinder body is soft magnetic material; Described metal inboard wall of cylinder block is provided with the equally distributed permanent magnet of multiple circumference, described permanent magnet comprises front, the back side and side, described permanent magnet and described metal cylinder body contact internal walls be the described back side, another side is described front, described permanent magnet is described side towards described metal cylinder body circumference, and described side comprises N pole and S pole; The described back side is the arc surface matched with the inwall of described metal cylinder body, and described front is the arc surface parallel with the described back side; Connect between two between multiple described permanent magnet, and be that homopolarity connects, and gapless each other; The arc length at the described back side is 2 ~ 5 times of described permanent magnet thickness; Described permanent magnet is fixed on described metal inboard wall of cylinder block by binding agent.
2. the permanent magnet homopolarity slitless connection structure of a kind of magneto according to claim 1, is characterized in that, the arc length at the described back side is 2 times of described permanent magnet thickness.
3. the permanent magnet homopolarity slitless connection structure of a kind of magneto according to claim 1, is characterized in that, the material of described permanent magnet is neodymium iron boron.
4. the permanent magnet homopolarity slitless connection structure of a kind of magneto according to claim 1, it is characterized in that, described binding agent is AB glue.
5. the permanent magnet homopolarity slitless connection structure of a kind of magneto according to claim 1, is characterized in that, the material of described metal cylinder body is carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520620083.4U CN205070622U (en) | 2015-08-17 | 2015-08-17 | Permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520620083.4U CN205070622U (en) | 2015-08-17 | 2015-08-17 | Permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070622U true CN205070622U (en) | 2016-03-02 |
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ID=55397123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520620083.4U Expired - Fee Related CN205070622U (en) | 2015-08-17 | 2015-08-17 | Permanent -magnet machine's homopolar seamless butt -joint structural of permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070622U (en) |
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2015
- 2015-08-17 CN CN201520620083.4U patent/CN205070622U/en not_active Expired - Fee Related
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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: 20160302 Termination date: 20160817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |