CN200941584Y - Cylindrical linear motor stator core - Google Patents
Cylindrical linear motor stator core Download PDFInfo
- Publication number
- CN200941584Y CN200941584Y CN 200620088687 CN200620088687U CN200941584Y CN 200941584 Y CN200941584 Y CN 200941584Y CN 200620088687 CN200620088687 CN 200620088687 CN 200620088687 U CN200620088687 U CN 200620088687U CN 200941584 Y CN200941584 Y CN 200941584Y
- Authority
- CN
- China
- Prior art keywords
- stator
- stator tooth
- core yoke
- motor
- axial
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000003475 lamination Methods 0.000 claims abstract description 7
- 239000000696 magnetic material Substances 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000000515 tooth Anatomy 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Linear Motors (AREA)
Abstract
The utility model relates to the field of electric machines, a cylinder linear electric motor stator core, be equipped with the stator tooth, the stator winding line cake, axial magnetic conduction iron core yoke, its stator tooth adopts lamination formula magnetic conduction material to fold and presses and form circularly, be closed angle shape on the axial cross section circumference, the stator tooth is equipped with the opening along radial direction, wherein the current vortex, be equipped with the stator winding line cake between two adjacent stator teeth, be equipped with axial magnetic conduction iron core yoke between stator tooth circumference department, axial magnetic conduction iron core yoke is formed by lamination magnetic conduction material winding and is the ring shape, be equipped with the opening on it, axial cross section is trapezoidal, stator tooth forms the inclined plane with axial magnetic conduction iron core yoke department and is connected, it combines closely, make the motor magnetic field pass through between stator tooth portion and axial magnetic conduction iron core yoke portion. The eddy current loss of the motor can be reduced, and the operation efficiency of the motor is improved. The utility model discloses a motor operating efficiency is high, can effectively carry out high frequency design and operation, improves work efficiency.
Description
Technical field
The utility model relates to machine field, cylindrical linear motor especially, specifically a kind of cylindrical linear motor stator core.
Background technology
Conventional cylindrical linear motor stator tooth adopts solid permeability magnetic material or lamination permeability magnetic material to be overrided to form, and stator cage is made of solid permeability magnetic material, stator tooth is fixed together, and as a motor magnetic circuit part.In this kind stator structure, iron circuit comprises stator tooth and casing, because casing adopts solid permeability magnetic material, has very high eddy current loss; Although the stator tooth of motor can adopt laminated structure, because the electric current eddy current of motor along the circumferential direction circulates, this laminated structure is undesirable to the venturi effect that reduces in the motor stator tooth.Therefore, this structure cylindrical linear motor eddy current loss is big, the motor operational efficiency is low, and eddy current loss is bigger when electric machine frequency is high, and efficient is lower, has limited the high frequency design and running of cylindrical linear motor.
Summary of the invention
The purpose of this utility model is in order to solve the deficiency of above-mentioned technology, provide a kind of simple and reasonable for structure, low, the easy manufacturing of cost, can reduce the electric current eddy current loss in the stator in the conventional cylindrical linear motor, improve the cylindrical linear motor stator core of its operational efficiency.
The utility model solves the scheme that its technical problem takes: a kind of cylindrical linear motor stator core, be provided with stator tooth, stator winding line cake, axial conducting magnet core yoke, it is characterized in that stator tooth is to adopt stacked permeability magnetic material to be overrided to form circle, be pointed shape on the axial cross section circumference, stator tooth is provided with opening along radial direction, to block wherein electric current eddy current, be provided with stator winding line cake between two adjacent stator tooths, be provided with axial conducting magnet core yoke between the stator tooth circumference place, axially the conducting magnet core yoke is entwined by the lamination permeability magnetic material and is annular, which is provided with opening, it is trapezoidal that axial cross section is, stator tooth forms the inclined-plane with axial conducting magnet core yoke place and is connected, and it passes through motor-field in conjunction with closely between stator teeth and axial conducting magnet core yoke portion.
The stator tooth of cylindrical linear motor stator core also can be provided with half opening along radial direction, and the peripheral place of its radial direction is closed, improves the intensity of stator tooth, to block wherein electric current eddy current.
The utility model can make the magnetic field in the motor stator flow through from the lamination conducting magnet core owing in stator tooth and the axial conducting magnet core yoke, do not have the electric current eddy current path, has reduced the eddy current loss of motor, can improve the operational efficiency of motor.Owing to adopt motor eddy current loss of the present utility model very low, therefore can carry out high frequency design and high frequency operation to cylindrical linear motor.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a stator tooth structural representation of the present utility model.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is a stator tooth half opening structural representation of the present utility model.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is an axial conducting magnet core yoke cutaway view of the present utility model.
Fig. 7 is the left view of the axial conducting magnet core yoke of Fig. 6.
Mark among the figure: 1, stator cage, 2, axial conducting magnet core yoke, 3, stator tooth, 4, electric mover, 5, stator winding line cake.
Embodiment
The utility model is described in detail by embodiment below in conjunction with accompanying drawing.
By Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7: a kind of cylindrical linear motor stator core, be provided with stator tooth 3, stator winding line cake 5, axial conducting magnet core yoke 2, stator tooth 3 is the circles that adopt stacked permeability magnetic material to be overrided to form, be pointed shape on the axial cross section circumference, stator tooth 2 is provided with opening along radial direction, to block wherein electric current eddy current, be provided with stator winding line cake between two adjacent stator tooths 3, be provided with axial conducting magnet core yoke 2 between the stator tooth circumference place, axially the conducting magnet core yoke is entwined by the lamination permeability magnetic material and is annular, which is provided with opening, it is trapezoidal that axial cross section is, its wedge angle of stator tooth forms the inclined-plane with axial conducting magnet core yoke 2 places and is connected it in conjunction with closely, and motor-field is passed through between stator teeth and axial conducting magnet core yoke portion.
It is provided with opening along radial direction stator tooth, can block electric current eddy current wherein, its effect is very desirable, for improving the intensity of stator tooth, also can be along the radial direction half opening, the peripheral place of its radial direction is closed, in order to block wherein electric current eddy current, combine closely with axial conducting magnet core yoke 2 inclined-planes in the end of stator tooth 3, the assurance motor-field is passed through between stator teeth and axial conducting magnet core yoke portion.
The assembling of motor stator can stator cage 1 be a benchmark, successively stator tooth 3, stator shaft orientation conducting magnet core yoke 2, stator winding line cake 5 is installed together; Also can make a setting shaft, and be benchmark with this setting shaft, earlier stator tooth 3, stator shaft orientation conducting magnet core yoke 2, stator winding line cake 5 are installed by setting shaft, when being 60 °, stator tooth 3 its wedge angles are the trapezoid cross section best results of combining closely with axial conducting magnet core yoke 2, cover is put into stator cage 1 then, again setting shaft is extracted out, after the motor stator assembling is finished, electric mover 4 is put into the assembling that stator is finished motor.The eddy current loss of this structure cylindrical linear motor reduces, motor operational efficiency height, can effectively use motor high frequency design and running, increases work efficiency.
Claims (2)
1, a kind of cylindrical linear motor stator core, be provided with stator tooth, stator winding line cake, axial conducting magnet core yoke, it is characterized in that stator tooth is to adopt stacked permeability magnetic material to be overrided to form circle, be pointed shape on the axial cross section circumference, stator tooth is provided with opening along radial direction, be provided with stator winding line cake between two adjacent stator tooths, be provided with axial conducting magnet core yoke between the stator tooth circumference place, axially the conducting magnet core yoke is entwined by the lamination permeability magnetic material and is annular, which is provided with opening, it is trapezoidal that axial cross section is, stator tooth forms the inclined-plane with axial conducting magnet core yoke place and is connected, it passes through motor-field in conjunction with closely between stator teeth and axial conducting magnet core yoke portion.
2, a kind of cylindrical linear motor stator core according to claim 1 is characterized in that stator tooth also can be provided with half opening along radial direction, and the peripheral place of its radial direction is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088687 CN200941584Y (en) | 2006-08-28 | 2006-08-28 | Cylindrical linear motor stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088687 CN200941584Y (en) | 2006-08-28 | 2006-08-28 | Cylindrical linear motor stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941584Y true CN200941584Y (en) | 2007-08-29 |
Family
ID=38747758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620088687 Expired - Fee Related CN200941584Y (en) | 2006-08-28 | 2006-08-28 | Cylindrical linear motor stator core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941584Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752984A (en) * | 2008-12-11 | 2010-06-23 | 山洋电气株式会社 | Linear synchronous motor |
| CN103023163A (en) * | 2011-09-22 | 2013-04-03 | 山洋电气株式会社 | Stator core and stator |
| CN101645643B (en) * | 2008-08-08 | 2013-05-08 | 山洋电气株式会社 | Linear synchronous motor |
-
2006
- 2006-08-28 CN CN 200620088687 patent/CN200941584Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645643B (en) * | 2008-08-08 | 2013-05-08 | 山洋电气株式会社 | Linear synchronous motor |
| TWI455451B (en) * | 2008-08-08 | 2014-10-01 | Sanyo Electric Co | Linear synchronous motor |
| CN101752984A (en) * | 2008-12-11 | 2010-06-23 | 山洋电气株式会社 | Linear synchronous motor |
| CN101752984B (en) * | 2008-12-11 | 2013-05-29 | 山洋电气株式会社 | Linear synchronous motor |
| TWI470903B (en) * | 2008-12-11 | 2015-01-21 | Sanyo Electric Co | Linear synchronous motor |
| CN103023163A (en) * | 2011-09-22 | 2013-04-03 | 山洋电气株式会社 | Stator core and stator |
| CN103023163B (en) * | 2011-09-22 | 2016-08-10 | 山洋电气株式会社 | Stator core and stator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |