CN205017133U - A neodymium iron boron ends of earth magnetic ring for special -shaped motor - Google Patents
A neodymium iron boron ends of earth magnetic ring for special -shaped motor Download PDFInfo
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- CN205017133U CN205017133U CN201520802631.5U CN201520802631U CN205017133U CN 205017133 U CN205017133 U CN 205017133U CN 201520802631 U CN201520802631 U CN 201520802631U CN 205017133 U CN205017133 U CN 205017133U
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- iron boron
- neodymium iron
- magnet ring
- bulge loop
- magnetic pole
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Abstract
The utility model discloses a neodymium iron boron ends of earth magnetic ring for special -shaped motor, including the magnetic pole, the magnetic pole is total eight pairs, and the magnetic pole selects for use the neodymium iron boron to make, the transversal ring -type of personally submitting of magnetic pole, and each forms the both ends of magnetic pole the outside and personally submits curved step to the evagination, and the upper portion step is the same or symmetrical with the structure of lower part step, and the upper and lower terminal surface of upper portion step, lower part step all parallels, and the up end of the up end of upper portion step and magnetic pole maintains an equal level or the braking distance, and the lower terminal surface of lower part step is fair with the lower terminal surface of magnetic pole, eight pairs of magnetic poles are arranged and are formed the neodymium iron boron ends of the earth magnetic ring of a hollow circular cylinder form with the extremely crisscross laminating of N, S along the circumferencial direction, and the upper portion step of eight pairs of magnetic poles forms the upper portion bulge loop of neodymium iron boron ends of the earth magnetic ring, and the lower part step of eight pairs of magnetic poles forms the lower part bulge loop of neodymium iron boron ends of the earth magnetic ring, and the up end of upper portion bulge loop maintains an equal level with the up end of neodymium iron boron ends of the earth magnetic ring, and the lower terminal surface of lower part bulge loop maintains an equal level with the lower terminal surface of neodymium iron boron ends of the earth magnetic ring.
Description
Technical field
The utility model belongs to the parts manufacturing technology field of motor, electronic circuit, is specifically related to a kind of neodymium iron boron ends of the earth magnet ring for special-shaped motor.
Background technology
Magnet ring is the parts of an outbalance in motor, electronic circuit, and ends of the earth magnet ring is used for special-shaped motor and coordinates stator modules to use together as rotor module, and more application is on the glass jacking system of frequency conversion automobile, electric motor car etc.But, in prior art, shape, the magnetic pole of magnet ring are single, cause the magnetic of magnet ring to be difficult to play maximum effect, and existing motor magnet ring adopt aluminium nickel cobalt material to make mostly, the coercive force of Al-Ni-Co permanent magnet is on the low side, their use is subject to the restriction of several factors, and therefore, it is difficult to the motor of special dimension, and procedure of processing is complicated, production cost is also high.
Summary of the invention
For solving the problems of the technologies described above, the neodymium iron boron ends of the earth magnet ring for special-shaped motor that the utility model provides a kind of structure simple, easy to use.
The utility model takes following technical scheme: a kind of neodymium iron boron ends of the earth magnet ring for special-shaped motor, comprise magnetic pole, it is eight right that described magnetic pole has, magnetic pole selects neodymium iron boron to make, the cross section of magnetic pole is in fan ring-type, the each convex in two ends of magnetic pole and form the curved step of lateral surface, upper step is identical with the structure of lower step or symmetrical, the upper and lower end face of upper step, lower step all parallels, and the upper surface of the upper surface of upper step and magnetic pole maintains an equal level or retains distance, the lower surface of lower step and the lower surface of magnetic pole maintain an equal level; Eight pairs of magnetic poles along the circumferential direction form the neodymium iron boron ends of the earth magnet ring of a hollow cylindrical with the extremely staggered laminating arrangement of N, S, the upper step of eight pairs of magnetic poles forms the top bulge loop of neodymium iron boron ends of the earth magnet ring, the lower step of eight pairs of magnetic poles forms the bottom bulge loop of neodymium iron boron ends of the earth magnet ring, the upper surface of top bulge loop and the upper surface of neodymium iron boron ends of the earth magnet ring maintain an equal level, and the lower surface of bottom bulge loop and the lower surface of neodymium iron boron ends of the earth magnet ring maintain an equal level.
Preferably, the height of top bulge loop, bottom bulge loop is 20mm, and the thickness of top bulge loop, bottom bulge loop is 4mm.
Preferably, the thickness of neodymium iron boron ends of the earth magnet ring is 5mm, is highly 100mm, and internal diameter is 40mm.
Preferably, the upper surface of top bulge loop and the upper surface distance of neodymium iron boron ends of the earth magnet ring are 10mm, and the height of top bulge loop is 20mm, and the height of bottom bulge loop is 30mm; The thickness of top bulge loop, bottom bulge loop is 3mm.
Preferably, the thickness of neodymium iron boron ends of the earth magnet ring is 5mm, and internal diameter is 50mm.
Compared with prior art, the utility model has following technique effect:
The neodymium iron boron ends of the earth magnet ring structure that the utility model is used for special-shaped motor is reasonable in design, and it is designed to eight pairs of magnetic poles makes magnet ring possess stronger magnetic force, and the design of convex hoop shape makes the magnetic field at magnet ring two ends strengthen.
Magnetic pole of the present utility model selects NdFeB material, makes magnet ring possess very strong remanence strength and coercive force, greatly strengthen the magnetic of magnet ring, and the production cost of Nd-Fe-B permanent magnetic is lower than similar rare earth permanent magnet, can be widely used in industry, civilian production.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of embodiment 1 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 2 is the main TV structure figure of embodiment 1 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 3 is the plan structure figure of embodiment 1 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 4 is the plan structure figure of embodiment 2 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 5 is the main TV structure figure of embodiment 2 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 6 is the three-dimensional structure diagram of embodiment 3 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 7 is the main TV structure figure of embodiment 3 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Fig. 8 is the plan structure figure of embodiment 3 for the neodymium iron boron ends of the earth magnet ring of special-shaped motor.
Embodiment
Below in conjunction with embodiment and accompanying drawing, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment 1
As Figure 1-3, the present embodiment is used for the neodymium iron boron ends of the earth magnet ring of special-shaped motor and comprises eight pairs of magnetic poles 1, and the cross section of magnetic pole 1 is in fan ring-type, and each convex in two ends of each magnetic pole 1 and form the curved step of lateral surface 2, the structure of up/down steps is identical or symmetrical.The upper and lower end face of step 2 parallels, and the upper surface of the upper surface of upper step and magnetic pole maintains an equal level, and the lower surface of lower step and the lower surface of magnetic pole maintain an equal level.
Neodymium iron boron ends of the earth magnet ring is the pole anisotropy magnet taking radial multi-pole orientation, that is: by eight, the magnetic pole 1 of vertical shape is along the circumferential direction affixed to arrangement so that N, S are extremely staggered and form a hollow cylindrical, to impose the extremely staggered magnetic field of N, S to magnet ring, multipole orientation is carried out to magnet.
Eight pairs of magnetic poles 1 form neodymium iron boron ends of the earth magnet ring after arranging assembling, the top and bottom of this neodymium iron boron ends of the earth magnet ring respectively has (above-mentioned step is formed) bulge loop, the upper surface of upper bulge loop and the upper surface of neodymium iron boron ends of the earth magnet ring maintain an equal level, and the lower surface of lower convex ring and the lower surface of neodymium iron boron ends of the earth magnet ring maintain an equal level.
Embodiment 2
See Fig. 4-5, the present embodiment is used in the structure of the neodymium iron boron ends of the earth magnet ring of special-shaped motor, and on it, the height of lower convex ring is 20mm, and the thickness of bulge loop and the thickness of magnet ring projection are 4mm.This neodymium iron boron ends of the earth magnet ring can be applicable in some special small-sized water suction variable-frequency motors, and it can strengthen local surfaces magnetic field intensity, improves motor working efficiency, mutually mates with rotor.
In the present embodiment, the thickness of neodymium iron boron ends of the earth magnet ring and the thickness of non-protruding part are 5mm, and height is 100mm, and magnet ring internal diameter is 40mm.
The reasonable in design of the utility model neodymium iron boron ends of the earth magnet ring, be designed to eight pairs of magnetic poles, magnet ring is made to possess stronger magnetic force, the design of convex hoop shape makes the magnetic field at magnet ring two ends strengthen, NdFeB material is selected to make magnet ring possess stronger remanence strength and coercive force (remanence strength of above-mentioned two embodiments can reach 14000Gs, coercive force can reach 17500Oe), greatly strengthen the magnetic of magnet ring, in addition, the production cost of Nd-Fe-B permanent magnetic is lower than similar rare earth permanent magnet, can be widely used in industry, civilian production.
Embodiment 3
See Fig. 6-8, the difference of the present embodiment and embodiment 1 or 2 is: the upper surface of upper bulge loop and the upper surface distance of neodymium iron boron ends of the earth magnet ring are 10mm, and the height of upper bulge loop is 20mm, and the height of lower convex ring is 30mm.Bulge loop thickness and magnet ring projection thickness are 3mm.The thickness of neodymium iron boron ends of the earth magnet ring and the thickness of non-protruding part are 5mm, and height is 110mm, and the internal diameter of magnet ring is 50mm.
The remanence strength of the present embodiment can reach 13800Gs, coercive force can reach 28500Oe.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection range of the present utility model.
Claims (5)
1. the neodymium iron boron ends of the earth magnet ring for special-shaped motor, comprise magnetic pole, it is eight right that described magnetic pole has, it is characterized in that: described magnetic pole selects neodymium iron boron to make, the cross section of magnetic pole is in fan ring-type, the each convex in two ends of magnetic pole and form the curved step of lateral surface, upper step is identical with the structure of lower step or symmetrical, the upper and lower end face of upper step, lower step all parallels, and the upper surface of the upper surface of upper step and magnetic pole maintains an equal level or retains distance, the lower surface of lower step and the lower surface of magnetic pole maintain an equal level; Eight pairs of magnetic poles along the circumferential direction form the neodymium iron boron ends of the earth magnet ring of a hollow cylindrical with the extremely staggered laminating arrangement of N, S, the upper step of eight pairs of magnetic poles forms the top bulge loop of neodymium iron boron ends of the earth magnet ring, the lower step of eight pairs of magnetic poles forms the bottom bulge loop of neodymium iron boron ends of the earth magnet ring, the upper surface of top bulge loop and the upper surface of neodymium iron boron ends of the earth magnet ring maintain an equal level, and the lower surface of bottom bulge loop and the lower surface of neodymium iron boron ends of the earth magnet ring maintain an equal level.
2. the neodymium iron boron ends of the earth as claimed in claim 1 magnet ring, is characterized in that: described top bulge loop, the height of bottom bulge loop are 20mm, and the thickness of top bulge loop, bottom bulge loop is 4mm.
3. the neodymium iron boron ends of the earth as claimed in claim 1 or 2 magnet ring, is characterized in that: the thickness of described neodymium iron boron ends of the earth magnet ring is 5mm, is highly 100mm, and internal diameter is 40mm.
4. the neodymium iron boron ends of the earth as claimed in claim 1 magnet ring, is characterized in that: the upper surface of described top bulge loop and the upper surface distance of neodymium iron boron ends of the earth magnet ring are 10mm, and the height of top bulge loop is 20mm, and the height of bottom bulge loop is 30mm; The thickness of top bulge loop, bottom bulge loop is 3mm.
5. the neodymium iron boron ends of the earth magnet ring as described in claim 1 or 4, is characterized in that: the thickness of described neodymium iron boron ends of the earth magnet ring is 5mm, and internal diameter is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802631.5U CN205017133U (en) | 2015-10-15 | 2015-10-15 | A neodymium iron boron ends of earth magnetic ring for special -shaped motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802631.5U CN205017133U (en) | 2015-10-15 | 2015-10-15 | A neodymium iron boron ends of earth magnetic ring for special -shaped motor |
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| CN205017133U true CN205017133U (en) | 2016-02-03 |
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| CN201520802631.5U Expired - Fee Related CN205017133U (en) | 2015-10-15 | 2015-10-15 | A neodymium iron boron ends of earth magnetic ring for special -shaped motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964311A (en) * | 2018-08-13 | 2018-12-07 | 江门麦威电子科技有限公司 | A kind of new shape magneto rotor |
-
2015
- 2015-10-15 CN CN201520802631.5U patent/CN205017133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964311A (en) * | 2018-08-13 | 2018-12-07 | 江门麦威电子科技有限公司 | A kind of new shape magneto rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160405 Address after: 211302 No. 89, double high road, Gaochun Economic Development Zone, Jiangsu, Nanjing, China Patentee after: Jiangsu boruitong Magnetic Industry Co Ltd Address before: 310018 China Jiliang University, Jianggan District, Hangzhou, Zhejiang, 258 Patentee before: China Jiliang University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20181015 |