CN205864208U - Disc type electric machine - Google Patents
Disc type electric machine Download PDFInfo
- Publication number
- CN205864208U CN205864208U CN201620800808.2U CN201620800808U CN205864208U CN 205864208 U CN205864208 U CN 205864208U CN 201620800808 U CN201620800808 U CN 201620800808U CN 205864208 U CN205864208 U CN 205864208U
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- stator
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- bearing bracket
- rear end
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Abstract
A kind of disc type electric machine, including casing, drive end bearing bracket, rear end cap, rotor, the first stator and the second stator；The two ends of described casing are provided with drive end bearing bracket and rear end cap, or one end of described casing is made as one and the other end is fixing with rear end cap is connected with drive end bearing bracket, or one end of described casing is fixed with drive end bearing bracket and is connected and the other end and rear end cap are made as integrally；Described first stator and the second stator are each provided in casing, and first stator and the second stator fixing with the drive end bearing bracket at casing two ends and rear end cap be respectively connected, described rotor includes armature spindle, Magnet and rotating disk, described rotating disk is sleeved on armature spindle or is formed integrally with armature spindle, described magnet cartridge is on rotating disk, and Magnet is between the first stator and the second stator, bearing rotating support is passed through respectively on drive end bearing bracket and rear end cap in the two ends of armature spindle；Innovative point is: front side and the rear side of described Magnet are equipped with sheet metal.This utility model not only prevents Magnet from demagnetizing, and rotor can be carried out radiating and cooling.
Description
Technical field
This utility model is specifically related to a kind of disc type electric machine.
Background technology
Existing permanent-magnet disk DC brushless motor, owing to its armature reaction MMF includes abundant space harmonics,
Eddy current can be produced in Magnet and stator (unshakable in one's determination) the yoke portion of rotor, and the resistivity of rare-earth magnet is relatively low, therefore, by harmonic wave
The eddy-current loss produced may be very big, causes the temperature of Magnet to rise, and even causes part magnet that irreversible demagnetization occurs
Phenomenon, makes motor not run well.
Summary of the invention
The purpose of this utility model is to provide one and not only prevents Magnet from demagnetizing, and rotor can be carried out radiating and cooling
Disc type electric machine.
To achieve these goals, the technical solution of the utility model is: a kind of disc type electric machine, including casing, drive end bearing bracket,
Rear end cap, rotor, the first stator and the second stator；The two ends of described casing are provided with drive end bearing bracket and rear end cap, or described casing
One end be made as one with drive end bearing bracket and the other end and rear end cap are fixed and be connected, or one end of described casing is fixed with drive end bearing bracket
Connect and the other end and rear end cap are made as one；Described first stator and the second stator are each provided in casing, and the first stator and
Second stator is fixing with the drive end bearing bracket at casing two ends and rear end cap respectively to be connected, and described rotor includes armature spindle, Magnet and rotating disk,
Described rotating disk is sleeved on armature spindle or is formed integrally with armature spindle, and described magnet cartridge is on rotating disk, and Magnet is positioned at first and determines
Between son and the second stator, bearing rotating support is passed through respectively on drive end bearing bracket and rear end cap in the two ends of armature spindle；Its innovative point
It is: front side and the rear side of described Magnet are equipped with sheet metal.
In technique scheme, described rotating disk is between the first stator and the second stator, and Magnet is fixed on rotating disk,
Sheet metal is fixing with rotating disk to be connected.
In technique scheme, described sheet metal is copper sheet or aluminium flake.
In technique scheme, described Magnet is secter pat shape, and described sheet metal is the area sector more than Magnet
Plate shape or the most discoideus.
In technique scheme, one end of described armature spindle is stretched out outside the drive end bearing bracket of casing front end, the end of the other end
It is positioned at the rear end cap of casing rear end.
The good effect that this utility model has is: after using disc type electric machine of the present utility model, due to this utility model
Front side and the rear side of described Magnet are equipped with sheet metal, and so, in motor operation course, eddy current produces on sheet metal, by
The lowest in the resistivity of sheet metal, the electric current that eddy current produces is the biggest, utilizes the magnetomotive force that eddy current produces, and offsets armature
Space harmonics in reaction magnetomotive force, and the thermal diffusivity of sheet metal is good, can be prevented effectively from Magnet and occur irreversible demagnetization existing
As.This utility model not only prevents Magnet from demagnetizing, and rotor can be carried out radiating and cooling.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of disc type electric machine of this utility model;
Fig. 2 is the A portion enlarged diagram in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that is given, this utility model is further described.
As shown in Figure 1, 2, a kind of disc type electric machine, including casing 1, drive end bearing bracket 2, rear end cap 2 ', rotor the 3, first stator 4 and
Second stator 4 '；The two ends of described casing 1 are provided with drive end bearing bracket 2 and rear end cap 2 ', or one end of described casing 1 and drive end bearing bracket 2
It is made as one and the other end and rear end cap 2 ' is fixing is connected, or one end of described casing 1 is fixed with drive end bearing bracket 2 and is connected and another
End and rear end cap 2 ' are made as one；Described first stator 4 and the second stator 4 ' are each provided in casing 1, and the first stator 4 and second
Stator 4 ' is fixed be connected with drive end bearing bracket 2 and the rear end cap 2 ' at casing 1 two ends respectively, and described rotor 3 includes armature spindle 3-1, Magnet
3-2 and rotating disk 3-3, described rotating disk 3-3 are sleeved on armature spindle 3-1 or are formed integrally with armature spindle 3-1, and described Magnet 3-2 fills
On rotating disk 3-3, and Magnet 3-2 is positioned between the first stator 4 and the second stator 4 ', and axle is passed through at the two ends of armature spindle 3-1 respectively
Forward dynamic being bearing on drive end bearing bracket 2 and rear end cap 2 '；Front side and the rear side of described Magnet 3-2 are equipped with sheet metal 5.
As shown in Figure 1, 2, so that this utility model structure is more reasonable, described rotating disk 3-3 is positioned at the first stator 4 He
Between second stator 4 ', Magnet 3-2 is fixed on rotating disk 3-3, and sheet metal 5 is connected by trip bolt is fixing with rotating disk 3-3.
Sheet metal 5 described in the utility model is copper sheet or aluminium flake, certainly, it is not limited to this, it is also possible to select it
Its sheet metal, this utility model preferentially selects copper sheet.
So that this utility model structure is more reasonable, and reducing production cost, described Magnet 3-2 is secter pat shape
Shape, described sheet metal 5 in area more than the fanning strip shape of Magnet 3-2 or the most discoideus.
As it is shown in figure 1, assemble in use for the ease of this utility model, one end of described armature spindle 3-1 is stretched out
Outside the drive end bearing bracket 2 of casing 1 front end, the end of the other end is positioned at the rear end cap 2 ' of casing 1 rear end.
Disc type electric machine of the present utility model in running, eddy current produce on copper sheet 5, due to copper resistivity very
Low, the electric current that eddy current produces is the biggest, utilizes the magnetomotive force that eddy current produces, and offsets the space in armature reaction MMF
Harmonic wave, and the thermal diffusivity of copper sheet is good, can be prevented effectively from Magnet and irreversible demagnetization phenomenon occurs.This utility model not only prevents
Magnet demagnetizes, and rotor can be carried out radiating and cooling.
Claims (5)
1. a disc type electric machine, including casing (1), drive end bearing bracket (2), rear end cap (2 '), rotor (3), the first stator (4) and second
Stator (4 ')；The two ends of described casing (1) are provided with drive end bearing bracket (2) and rear end cap (2 '), or one end of described casing (1) is with front
End cap (2) is made as one and the other end and rear end cap (2 ') are fixing is connected, or one end of described casing (1) and drive end bearing bracket (2)
Fix and connect and the other end and rear end cap (2 ') are made as one；Described first stator (4) and the second stator (4 ') are each provided at casing
(1) in, and the first stator (4) and the second stator (4 ') are fixing with the drive end bearing bracket (2) at casing (1) two ends and rear end cap (2 ') respectively
Connecting, described rotor (3) includes armature spindle (3-1), Magnet (3-2) and rotating disk (3-3), and described rotating disk (3-3) is sleeved on rotor
Axle (3-1) is upper or is formed integrally with armature spindle (3-1), and described Magnet (3-2) is contained on rotating disk (3-3), and Magnet (3-2) is positioned at
Between first stator (4) and the second stator (4 '), bearing rotating support is passed through respectively at drive end bearing bracket in the two ends of armature spindle (3-1)
(2) and on rear end cap (2 ')；It is characterized in that: the front side of described Magnet (3-2) and rear side are equipped with sheet metal (5).
Disc type electric machine the most according to claim 1, it is characterised in that: described rotating disk (3-3) is positioned at the first stator (4) and
Between two stators (4 '), Magnet (3-2) is fixed on rotating disk (3-3), and sheet metal (5) is fixing with rotating disk (3-3) to be connected.
Disc type electric machine the most according to claim 1, it is characterised in that: described sheet metal (5) is copper sheet or aluminium flake.
Disc type electric machine the most according to claim 2, it is characterised in that: described Magnet (3-2) in secter pat shape, described gold
Belong to sheet (5) in area more than the fanning strip shape of Magnet (3-2) or the most discoideus.
Disc type electric machine the most according to claim 1, it is characterised in that: casing (1) is stretched out in one end of described armature spindle (3-1)
Outward, the end of the other end is positioned at the rear end cap (2 ') of casing (1) rear end to the drive end bearing bracket (2) of front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620800808.2U CN205864208U (en) | 2016-07-28 | 2016-07-28 | Disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620800808.2U CN205864208U (en) | 2016-07-28 | 2016-07-28 | Disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205864208U true CN205864208U (en) | 2017-01-04 |
Family
ID=57649434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620800808.2U Active CN205864208U (en) | 2016-07-28 | 2016-07-28 | Disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205864208U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602820A (en) * | 2017-02-17 | 2017-04-26 | 中国电子科技集团公司第二十研究所 | Multi-degree-of-freedom all-in-one machine |
| CN110462981A (en) * | 2017-03-22 | 2019-11-15 | 万络机电公司 | The magnet structure of unit magnet with multiple forms that connector is presented |
-
2016
- 2016-07-28 CN CN201620800808.2U patent/CN205864208U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602820A (en) * | 2017-02-17 | 2017-04-26 | 中国电子科技集团公司第二十研究所 | Multi-degree-of-freedom all-in-one machine |
| CN110462981A (en) * | 2017-03-22 | 2019-11-15 | 万络机电公司 | The magnet structure of unit magnet with multiple forms that connector is presented |
| CN110506380A (en) * | 2017-03-22 | 2019-11-26 | 万络机电公司 | Including electromagnetic engine or generator with the rotor through magnetization configuration and the stator with concentric winding that include unit magnet |
| CN110462981B (en) * | 2017-03-22 | 2022-08-02 | 万络机电公司 | Magnet arrangement with a plurality of unit magnets in the form of tabs |
| CN110506380B (en) * | 2017-03-22 | 2022-08-09 | 万络机电公司 | Electromagnetic engine or generator comprising a rotor with a magnetized structure comprising elementary magnets and a stator with concentric windings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |