CN205212669U - High -power photovoltaic tombarthite permanent magnetism brushless DC motor - Google Patents
High -power photovoltaic tombarthite permanent magnetism brushless DC motor Download PDFInfo
- Publication number
- CN205212669U CN205212669U CN201521051651.XU CN201521051651U CN205212669U CN 205212669 U CN205212669 U CN 205212669U CN 201521051651 U CN201521051651 U CN 201521051651U CN 205212669 U CN205212669 U CN 205212669U
- Authority
- CN
- China
- Prior art keywords
- rotor core
- rotor
- magnet
- pressing plate
- motor
- 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.)
- Active
Links
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model belongs to the technical field of permanent magnetism brushless DC motor equipment, specific saying so relates to a high -power photovoltaic tombarthite permanent magnetism brushless DC motor. This kind of motor includes casing, stator, rotor, end cover, stator, rotor are in order to set up in the casing, the end cover is installed in the both ends of casing, the rotor includes pivot, rotor core, at least a pair of magnet and radial clamp plate, on rotor core was fixed in the pivot, magnet set up in rotor core's periphery, radial clamp plate set up in between the gap of adjacent magnet and with the rotor core fastening connection in order to compress tightly magnet on rotor core. The radial push plate device tool structure of above -mentioned motor utilization realizes reliable, effective installation of magnet and rotor core, and magnetic material is reliably fixed, and motor security and life -span have reliable guarantee, and the magnetic material performance can obtain effectual performance to the loss of rotor can fall to minimumly, and the electric efficiency is effectively improved.
Description
Technical field
The utility model belongs to brushless, permanently excited direct current motor equipment technical field, relates to a kind of high-power photovoltaic rare earth permanent magnetic brushless dc motor specifically.
Background technology
Along with continuous progress and the development of photovoltaic technology, the brushless, permanently excited direct current motor that photovoltaic controls and controller thereof arise at the historic moment, especially powerful brushless, permanently excited direct current motor, not only the upper difficulty of design is very large, and also has sizable technical difficulty in technique realizes.
Existing brshless DC motor, as Authorization Notice No. brushless, permanently excited direct current motor disclosed in CN201113748Y, comprise casing, front end housing, rear end cap, stator, rotor and position transducer, described stator, rotor and position transducer are all arranged in described casing, described front end housing and rear end are installed on the two ends of described casing respectively, described rotor comprises iron core and only at least one pair of magnet steel, described magnet steel arranges the periphery with described iron core, it is characterized in that: the cross section of described magnet steel is the arc that interior thickness is greater than two edges thickness.The magnet steel of this kind of non-brush permanent-magnet DC motor internal rotor is fixed on rotor core by binding agent, rotor in use, the factor such as generate heat because of ageing of binders, machine operation, run up causes magnet steel to drop, and cannot meet the user demand of the brushless, permanently excited direct current motor of photovoltaic control.
Utility model content
For overcoming deficiency of the prior art, the utility model provides a kind of high-power photovoltaic rare earth permanent magnetic brushless dc motor.
For achieving the above object, the technical solution adopted in the utility model is as follows: high-power photovoltaic rare earth permanent magnetic brushless dc motor, comprise casing, stator, rotor, end cap, described stator, rotor is to be arranged in casing, described end cap is installed on the two ends of casing, it is characterized in that: described rotor comprises rotating shaft, rotor core, at least one pair of magnet, and at least one piece of radial pressing plate, described rotor core is fixed in rotating shaft, magnet is arranged at the periphery of rotor core, be fastenedly connected to be pressed on rotor core by magnet with rotor core between the gap that radial pressing plate is arranged at adjacent magnets.
Further, fan housing and terminal box is provided with outside casing.
Further, rotor also comprises axial pressing plate, and this axial pressing plate is arranged at rotor core two ends, is fastenedly connected with rotor core.
Further, radial pressing plate has one and axially extends to embed the fin between adjacent magnets gap, and this fin is provided with rotor core compact heap.
Further, radial pressing plate has installing hole, described radial pressing plate is by passing the screw fastening of installing hole on rotor core.
Further, the cross section of magnet and radial pressing plate has the cambered surface being inscribed within same circle.
Further, magnet be provided with two to and be evenly arranged in rotor core periphery, described radial pressing plate is provided with four pieces.
From above-mentioned to description of the present utility model, compared with prior art, the high-power photovoltaic rare earth permanent magnetic brushless dc motor that the utility model provides, belong to the brushless DC motor that the full permanent magnetism photovoltaic of Large Copacity controls, its power is maximum can to about 300kw, the comprehensive saves energy 30%-40% of relatively common threephase asynchronous; Special rotor structure has following beneficial effect: one be utilize radial pressing plate mechanical structure realize magnet and rotor core reliable, effectively install, magnetic material is fixing reliable, motor safety and life-span have reliable guarantee, because magnetic material invests rotor surface; Two is that magnetic material performance can effectively be played, and stock utilization is higher; Three is that rotor block rotates and the synchronous rotary magnetic field of stator does not have speed discrepancy, so the loss of rotor can drop to minimum, electric efficiency effectively improves.
Accompanying drawing explanation
Fig. 1 is this high-power photovoltaic rare earth permanent magnetic brushless dc motor structural representation.
Fig. 2 is the structural representation of this high-power photovoltaic rare earth permanent magnetic brushless dc motor rotor.
Fig. 3 is the sectional view of this high-power photovoltaic rare earth permanent magnetic brushless dc motor rotor
Embodiment
Below by way of embodiment, the utility model will be further described.
Shown in Fig. 3, high-power photovoltaic rare earth permanent magnetic brushless dc motor, comprises casing 1, stator 2, rotor 3, end cap 4, is provided with fan housing 11 and terminal box 12 outside casing 1, and stator 2, rotor 3 are arranged in casing, and end cap 4 is installed on the two ends of casing 1.
Rotor 3 comprises rotating shaft 31, rotor core 32, two pairs of magnet 33, radial pressing plate 34 and axial pressing plates 35;
Rotor core 32 is fixed in rotating shaft 31 by binding agent in advance;
It is 2 right that magnet 33 is provided with, and be arranged at the periphery of rotor core 32 uniformly, the cross section of this magnet 33 is arcuate structure;
Radial pressing plate 34 is provided with 4 pieces, radial pressing plate 34 have one axially extend to embed fin 341 between adjacent magnets 33 gap, fin 341 is provided with rotor core compact heap 342, axially extend along fin 341 and have multiple installing hole 343, the cross section of this rotor core briquetting 342 is arcuate structure, and this radial pressing plate 34 is anchored on rotor core 32 by the screw 345 through installing hole;
Axial pressing plate 35 is arranged at rotor core 32 two ends, is fastenedly connected with rotor core 32.
Shown in Fig. 3, above-mentioned high-power photovoltaic rare earth permanent magnetic brushless dc motor, between the gap that the fin 341 of radial pressing plate 34 is embedded at adjacent magnets 33, magnet 33 is pressed on rotor core 32 by rotor core compact heap 342, cambered surface and rotor core compact heap 342 cambered surface of magnet 33 are inscribed within same circle, and outside rotor 3 cross section, any point draws rotor core briquetting 342, cambered surface is equal with two tangential lengths of magnet 33 cambered surface.
Shown in Fig. 3, above-mentioned high-power photovoltaic rare earth permanent magnetic brushless dc motor, belong to the brushless DC motor that the full permanent magnetism photovoltaic of Large Copacity controls, its power is maximum can to about 300kw, the comprehensive saves energy 30%-40% of relatively common threephase asynchronous; Special rotor structure has following beneficial effect: one be utilize radial pressing plate mechanical structure realize magnet and rotor core reliable, effectively install, magnetic material is fixing reliable, motor safety and life-span have reliable guarantee, because magnetic material invests rotor surface; Two is that magnetic material performance can effectively be played, and stock utilization is higher; Three is that rotor block rotates and the synchronous rotary magnetic field of stator does not have speed discrepancy, so the loss of rotor can drop to minimum, electric efficiency effectively improves.
Above are only some embodiments of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design the utility model to be carried out to unsubstantiality, all should belong to the behavior of invading the utility model protection range.
Claims (7)
1. high-power photovoltaic rare earth permanent magnetic brushless dc motor, comprise casing, stator, rotor, end cap, described stator, rotor are to be arranged in casing, described end cap is installed on the two ends of casing, it is characterized in that: described rotor comprises rotating shaft, rotor core, at least one pair of magnet and at least one piece of radial pressing plate, described rotor core is fixed in rotating shaft, magnet is arranged at the periphery of rotor core, is fastenedly connected to be pressed on rotor core by magnet between the gap that radial pressing plate is arranged at adjacent magnets with rotor core.
2. high-power photovoltaic rare earth permanent magnetic brushless dc motor according to claim 1, is characterized in that: be provided with fan housing and terminal box outside described casing.
3. high-power photovoltaic rare earth permanent magnetic brushless dc motor according to claim 1, is characterized in that: described rotor also comprises axial pressing plate, this axial pressing plate is arranged at rotor core two ends, is fastenedly connected with rotor core.
4. high-power photovoltaic rare earth permanent magnetic brushless dc motor according to claim 1, is characterized in that: described radial pressing plate has one and axially extends to embed the fin between adjacent magnets gap, and this fin is provided with rotor core compact heap.
5. the high-power photovoltaic rare earth permanent magnetic brushless dc motor according to claim 1 or 4, is characterized in that: described radial pressing plate has installing hole, and described radial pressing plate is by passing the screw fastening of installing hole on rotor core.
6. the high-power photovoltaic rare earth permanent magnetic brushless dc motor according to claim 1 or 4, is characterized in that: the cross section of described magnet and radial pressing plate has the cambered surface being inscribed within same circle.
7. the high-power photovoltaic rare earth permanent magnetic brushless dc motor according to claim 1 or 4, is characterized in that: described magnet be provided with two to and be evenly arranged in rotor core periphery, described radial pressing plate is provided with four pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051651.XU CN205212669U (en) | 2015-12-16 | 2015-12-16 | High -power photovoltaic tombarthite permanent magnetism brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051651.XU CN205212669U (en) | 2015-12-16 | 2015-12-16 | High -power photovoltaic tombarthite permanent magnetism brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205212669U true CN205212669U (en) | 2016-05-04 |
Family
ID=55850359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521051651.XU Active CN205212669U (en) | 2015-12-16 | 2015-12-16 | High -power photovoltaic tombarthite permanent magnetism brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205212669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978193A (en) * | 2016-06-20 | 2016-09-28 | 深圳市爱贝科精密机械有限公司 | Rotor module used for roll ball high-speed motorized spindle |
-
2015
- 2015-12-16 CN CN201521051651.XU patent/CN205212669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978193A (en) * | 2016-06-20 | 2016-09-28 | 深圳市爱贝科精密机械有限公司 | Rotor module used for roll ball high-speed motorized spindle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201219227Y (en) | Permanent magnet synchronous machine rotor | |
| CN103762765A (en) | Tangential and radial resultant magnetic field embedded permanent magnet rotor driving motor | |
| CN103762766A (en) | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle | |
| CN105958775B (en) | Permanent magnetism and pawl pole electromagnetic hybrid excitation driving motor | |
| CN103580428B (en) | Half magnetic sheet external-rotor-type asynchronous starting permanent magnet synchronous motor | |
| CN101005219A (en) | Permanent magnet synchronous motor | |
| CN106026577A (en) | Double-magnetic-circuit motor | |
| CN206250933U (en) | A kind of low-energy-efficiency asynchronous machine efficiently remanufactures AC permanent magnet motor | |
| CN202856577U (en) | Three-phase asynchronous motor | |
| CN204517610U (en) | A kind of Hybrid Excitation Switched Reluctance Motor and stator structure thereof | |
| CN205212669U (en) | High -power photovoltaic tombarthite permanent magnetism brushless DC motor | |
| CN103887947A (en) | Built-in tangential permanent magnet steel hub driving motor of electric vehicle | |
| CN101552526A (en) | A magnetic field enhancement type permanent magnet switch magnetic linkage motor | |
| CN206712637U (en) | Double shaft-extension asynchronous starting permanent magnet synchronous motor | |
| CN105356630A (en) | Switch reluctance motor | |
| CN201639385U (en) | Permanent magnet synchronous DC motor rotor | |
| CN201038965Y (en) | Explosion prevention lanthanon permanent magnetic motor | |
| CN204103723U (en) | Electric automobile permanent magnet hybrid magnetic path motor | |
| CN105262307B (en) | Electric car permanent magnet brush motor | |
| CN202353411U (en) | Explosion-proof type low-frequency permanent-magnet three-phase synchronous motor for mine | |
| CN105978279A (en) | Rare-earth permanent magnetic driving motor embedded with tangential and radial synthesis magnetic field | |
| CN105790476A (en) | Built-in tangential and radial permanent magnet steel combined-type magnetic pole drive motor for electric automobile | |
| CN2618358Y (en) | High-efficient rare earth permanent magnetic synchronous motor | |
| CN203537202U (en) | Semi-magnetic sheet outer rotor type asynchronous starting permanent-magnet synchronous motor | |
| CN105958774A (en) | Surface-mounted radial and embedded tangential permanent magnet steel drive motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |