CN2814773Y - Magnetic system for magneto generator - Google Patents
Magnetic system for magneto generator Download PDFInfo
- Publication number
- CN2814773Y CN2814773Y CN 200520013584 CN200520013584U CN2814773Y CN 2814773 Y CN2814773 Y CN 2814773Y CN 200520013584 CN200520013584 CN 200520013584 CN 200520013584 U CN200520013584 U CN 200520013584U CN 2814773 Y CN2814773 Y CN 2814773Y
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magnetic circuit
- magnetic
- magnetic system
- circuit yoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a magnetic system for a magnetoelectric generator, which comprises disk-shaped magnetic circuit yoke iron connected with a shaft, permanent magnets fixed on the magnetic circuit yoke iron and wound rotors penetrated through a shaft center, wherein the permanent magnet having the number of 2 * n is in the shape of a sector having an included angle of 360/n, and n is a natural number between 20 and 40. The N poles and the S poles of the permanent magnets are opposite and annularly fixed to the inner sides of the two magnetic circuit yoke iron, the magnetic poles of any two permanent magnets which are arranged symmetrically via the shaft center and fixed on the same magnetic circuit yoke iron are opposite, and the rotors are arranged in axial air gaps formed by the permanent magnets. The utility model has a plurality of poles, the energy of the magnets can be fully played, air gap flux density is enhanced, power is increased, and thus low-speed and high-efficiency power generation is realized.
Description
Technical field
The utility model relates to a kind of magnetic system of permanent magnet generator, belongs to machine field.
Background technology
General disc type electric machine is to magnetize with the plane of a permanent-magnet ferrite ring magnet to form, and a face is contained in the metal weight orchid dish of magnetic conduction, and another side cooperates with the rotor of coil windings forms motor.But single magnet ring multipole magnetization is difficult to give full play to the energy of magnet, and magnetic pole can not satisfy the requirement of heavy-duty motor.
Summary of the invention
The utility model mainly is to have solved the technical problem that existing disc type electric machine magnet energy can not be given full play to, power is big inadequately; The magnetic system of the permanent magnet generator that provide a kind of and can give full play to the magnet energy, improves air gap flux density, power strengthens.
The utility model has also solved less, the difficult technical problem that realizes the low-speed high-efficiency generating of existing disc type electric machine number of poles simultaneously; The magnetic system of the permanent magnet generator that a kind of number of poles is more, the energy low-speed high-efficiency generates electricity is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises the plate-like magnetic circuit yoke that is connected with axle, be fixed on the permanent magnet on the magnetic circuit yoke, pass the wound rotor in axle center, described permanent magnet is 2 * n spare, n is a natural number, permanent magnet N, S extremely relatively also is fixed on the inboard of two magnetic circuit yokes in the form of a ring, the magnetic pole with any two permanent magnets of axle center symmetry that is fixed on the same magnetic circuit yoke is opposite, described rotor is between the axial air-gap of permanent magnet formation, give full play to the magnet energy, improve magnetic flux density, the power of generator is increased.
As preferably, described permanent magnet is fan-shaped, and its angle is the 360/n degree, and wherein said n is 20～40.
As preferably, described rotor is in the center of axial air-gap, and with the spacing distance of the permanent magnet of both sides be 0.5～2 millimeter, magnetic flux distribution is even.
As preferably, described permanent magnet is fixed on the described magnetic circuit yoke end away from the axle center.
As preferably, be provided with driving member between described axle and magnetic circuit yoke and be connected, reduce the magnetic circuit yoke and spool between friction, assurance permanent magnet generator function steady operation.
As preferably, described rotor is provided with n coil windings away from center axis, and its radial width is more than or equal to the radial width of permanent magnet, and its inside part is a stake body, no coil winding, and economical with materials reduces cost.
As preferably, the connecting portion of described rotor and described axle is provided with and adds solid, and rotor and being connected of axle are more become firmly, guarantees the rotor stability rotation.
As preferably, the magnetic system of described permanent magnet generator also is provided with the shell of parcel magnetic circuit yoke, waterproof and dustproof, anti-tampering.
The beneficial effects of the utility model are: adopt the polylith magnet to form annular, motor pole number increases, and has given full play to the energy of magnet, adopts the GAP TYPE magnetic circuit, has improved air gap flux density, and power of motor improves greatly, makes motor realize the low-speed high-efficiency generating.
Description of drawings
Fig. 1 is an axial section schematic diagram of the present utility model.
Among the figure 1., 2. magnetic circuit yoke, 3. permanent magnet, 4. rotor, 5. driving member 6. adds solid, 7. shell.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: be connected with two plate-like magnetic circuit yokes 2 by driving member 5 on the axle 1 of the magnetic system of permanent magnet generator in the present embodiment, permanent magnet 3 has 2 * 30, and it is measure-alike, be fan-shaped, fan-shaped angle is 12 degree, 30 permanent magnets 3 are one group of inboard that is fixed on a magnetic circuit yoke 2 away from an end in axle center in the form of a ring, the magnetic pole with any two permanent magnets 3 of axle center symmetry on the magnetic circuit yoke 2 is opposite, 30 permanent magnets 3 are one group of inboard that is fixed on another magnetic circuit yoke 2 with the same manner in addition, two groups the permanent magnet position is relative and the N utmost point is extremely relative with S, the rotor 4 that passes the axle center is in the center of the axial air-gap of two groups of permanent magnets formation, and with the spacing distance of the permanent magnet of both sides be 0.5 millimeter, rotor 4 is provided with 30 coil windings away from center axis, the radial width of coil windings is more than or equal to the radial width of permanent magnet 3, the inside part of rotor is the stake body of no coil winding, and rotor adds intrinsic reinforcing body 6 with the connecting portion of axle.The magnetic system of the permanent magnet generator in the present embodiment also is provided with shell 7, in shell is wrapped in magnetic circuit yoke, permanent magnet, rotor.
Claims (10)
1. the magnetic system of a permanent magnet generator, comprise with the plate-like magnetic circuit yoke (2) that is connected of axle (1), be fixed on permanent magnet (3) on the magnetic circuit yoke (2), pass the wound rotor (4) in axle center, it is characterized in that: described permanent magnet (3) is 2 * n spare, n is a natural number, permanent magnet (3) N, S extremely relatively also are fixed on the inboard of two magnetic circuit yokes (2) in the form of a ring, the magnetic pole with any two permanent magnets (3) of axle center symmetry that is fixed on the same magnetic circuit yoke (2) is opposite, and described rotor (4) is between the axial air-gap that permanent magnet (3) forms.
2. the magnetic system of permanent magnet generator according to claim 1 is characterized in that described permanent magnet (3) is fan-shaped, and its angle is the 360/n degree, and wherein said n is 20～40.
3. the magnetic system of permanent magnet generator according to claim 1 and 2 is characterized in that described rotor (4) is in the center of axial air-gap, and with the spacing distance of the permanent magnet (3) of both sides be 0.5～2 millimeter.
4. the magnetic system of permanent magnet generator according to claim 1 and 2 is characterized in that described permanent magnet (3) is fixed on the last end away from the axle center of described magnetic circuit yoke (2).
5. the magnetic system of permanent magnet generator according to claim 3 is characterized in that described permanent magnet (3) is fixed on the last end away from the axle center of described magnetic circuit yoke (2).
6. the magnetic system of permanent magnet generator according to claim 1 and 2 is characterized in that being provided with driving member (5) between described axle (1) and described magnetic circuit yoke (2) is connected.
7. the magnetic system of permanent magnet generator according to claim 1 and 2 is characterized in that described rotor (4) is provided with n coil windings away from center axis, and its radial width is more than or equal to the radial width of permanent magnet (3), and its inside part is a stake body.
8. the magnetic system of permanent magnet generator according to claim 1 and 2, the connecting portion that it is characterized in that described rotor (4) and described axle (1) is provided with and adds solid (6).
9. the magnetic system of permanent magnet generator according to claim 1 and 2 is characterized in that the magnetic system of described permanent magnet generator also is provided with the shell (7) of parcel magnetic circuit yoke (2).
10. the magnetic system of permanent magnet generator according to claim 3 is characterized in that the magnetic system of described permanent magnet generator also is provided with the shell (7) of parcel magnetic circuit yoke (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013584 CN2814773Y (en) | 2005-07-27 | 2005-07-27 | Magnetic system for magneto generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013584 CN2814773Y (en) | 2005-07-27 | 2005-07-27 | Magnetic system for magneto generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2814773Y true CN2814773Y (en) | 2006-09-06 |
Family
ID=36949859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013584 Expired - Fee Related CN2814773Y (en) | 2005-07-27 | 2005-07-27 | Magnetic system for magneto generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2814773Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904410A (en) * | 2012-10-03 | 2013-01-30 | 车晋绥 | Drum permanent-magnet generator |
| CN103280910A (en) * | 2013-04-23 | 2013-09-04 | 北京理工大学 | Magnetoelectric micro electric generator of axial magnetic field |
| CN106451980A (en) * | 2016-12-09 | 2017-02-22 | 李亚兵 | Super high efficiency generator |
| CN113394950A (en) * | 2021-06-29 | 2021-09-14 | 奇瑞汽车股份有限公司 | Driving wheel |
-
2005
- 2005-07-27 CN CN 200520013584 patent/CN2814773Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904410A (en) * | 2012-10-03 | 2013-01-30 | 车晋绥 | Drum permanent-magnet generator |
| CN103280910A (en) * | 2013-04-23 | 2013-09-04 | 北京理工大学 | Magnetoelectric micro electric generator of axial magnetic field |
| CN103280910B (en) * | 2013-04-23 | 2015-06-17 | 北京理工大学 | Magnetoelectric micro electric generator of axial magnetic field |
| CN106451980A (en) * | 2016-12-09 | 2017-02-22 | 李亚兵 | Super high efficiency generator |
| CN113394950A (en) * | 2021-06-29 | 2021-09-14 | 奇瑞汽车股份有限公司 | Driving wheel |
| CN113394950B (en) * | 2021-06-29 | 2022-06-10 | 奇瑞汽车股份有限公司 | Driving wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 |