CN210898662U - Magnetic pole with stable load - Google Patents
Magnetic pole with stable load Download PDFInfo
- Publication number
- CN210898662U CN210898662U CN201922319909.4U CN201922319909U CN210898662U CN 210898662 U CN210898662 U CN 210898662U CN 201922319909 U CN201922319909 U CN 201922319909U CN 210898662 U CN210898662 U CN 210898662U
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- pole
- magnetic pole
- magnetic
- shoe
- arc
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- 238000004804 winding Methods 0.000 claims abstract description 4
- 230000004907 flux Effects 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000006698 induction Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a magnetic pole with stable load, which comprises a magnetic pole body for winding a stator coil; pole shoes symmetrically extend to two sides from the lower part of the pole body of the magnetic pole, and the length of each pole shoe is smaller than that of the pole body of the magnetic pole; the magnetic flux generated by the pole shoe is correspondingly reduced by reducing the area of the pole shoe, so that the effect of reducing magnetism is achieved, the shape of the magnetic pole is optimized because the length of the pole shoe is smaller than that of the pole body of the magnetic pole, the torque fluctuation is reduced in the actual operation process, and the load performance is stabilized.
Description
Technical Field
The utility model relates to a spare part of automobile starter specifically is a magnetic pole that load is stable.
Background
The magnetic poles are used for fixing a stator of the starter in the shell, two magnetic poles are symmetrically arranged in the shell, a pole shoe is arranged between the two magnetic poles, an iron cylinder is arranged in the middle of the pole shoe, a gap is formed between the pole shoe and the iron cylinder, and magnetic induction lines distributed in the radial direction are formed in the gap between the magnetized iron cylinder and the pole shoe according to the characteristic that the magnetic induction lines are perpendicular to the surfaces of the magnetic poles; the purpose of doing so is to enable the position of the electrified coil to have an equal magnetic field, and the magnetic induction line is always parallel to the plane of the coil, so that the moment of the coil is maximum, and the coil is convenient to rotate;
as shown in fig. 1, the conventional pole shoe is arranged at the bottom of the magnetic pole, and the length of the pole shoe is equal to that of the magnetic pole, so that the magnetic flux generated by the arranged magnetic pole is also larger, and in the actual operation process, the coil rotation torque is larger, and the load performance of the generator is unstable;
in conclusion, how to demagnetize the magnetic poles and stabilize the load performance become problems to be solved urgently by researchers of the company.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to demagnetize the magnetic poles and stabilize the load performance;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to a magnetic pole with stable load, which comprises a magnetic pole body for winding a stator coil; pole shoes symmetrically extend to two sides from the lower part of the pole body of the magnetic pole, and the length of each pole shoe is smaller than that of the pole body of the magnetic pole;
the magnetic flux generated by the pole shoe is correspondingly reduced by reducing the area of the pole shoe, so that the effect of reducing magnetism is achieved, the shape of the magnetic pole is optimized because the length of the pole shoe is smaller than that of the pole body of the magnetic pole, the torque fluctuation is reduced in the actual operation process, and the load performance is stabilized.
In order to concretely explain the length of the pole body and the pole shoe of the magnetic pole, the total length of the pole body of the magnetic pole is 32mm, and the difference value between the front end surface and the rear end surface of the pole shoe in the length direction and the corresponding end surface of the pole body of the magnetic pole is 3.5 mm;
that is to say that the total length of the pole body of the magnetic pole is 32mm, the length of the pole shoe is 25cm, and the pole shoes are symmetrically arranged at the two sides of the bottom of the pole body of the magnetic pole.
In order to facilitate the rotation of the line frame and prevent the interference with the line frame, the utility model adopts the lower end surface of the pole shoe as a first arc shape;
through setting up first radian, the line is felt to magnetism that makes the stator produce is perpendicular and wire frame all the time, makes the wire frame produce maximum moment, can avoid again in addition to interfere with the wire frame emergence.
In order to explain the radian of the first arc specifically, the utility model discloses a first arc radius is 25.5 mm.
In order to facilitate the attachment of the pole body of the magnetic pole and the inner wall of the shell, the upper end surface of the pole body of the magnetic pole is a second arc shape attached to the inner wall of the shell;
that is, the second arc conforms to the arc of the inner wall of the housing.
In order to explain the radian of the second arc specifically, the utility model discloses a second arc radius is 34 mm.
The second arc and the first arc are in the same circle, and in addition, the center rotating shaft of the wire frame also penetrates through the circle center.
The utility model has the advantages that: the utility model relates to a load stable magnetic pole, the length direction of pole shoe is less than the length direction of magnetic pole body to optimize the appearance of pole shoe, can reduce the magnetic flux, again can the steady load performance.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a conventional magnetic pole;
fig. 2 is a three-dimensional view of the present invention;
FIG. 3 is a front sectional view of the present invention;
fig. 4 is a plan view of the present invention.
In the figure: 1-pole body, 2-pole shoe, 3-first arc and 4-second arc.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 2-4, the present invention relates to a magnetic pole with stable load, which comprises a magnetic pole body 1 for winding a stator coil; pole shoes 2 symmetrically extend towards two sides from the lower part of the pole body 1 of the magnetic pole, and the length of the pole shoes 2 is smaller than that of the pole body 1 of the magnetic pole;
the magnetic flux generated by the pole shoe 2 is correspondingly reduced by reducing the area of the pole shoe 2, so that the effect of demagnetization is achieved, the shape of the magnetic pole is optimized because the length of the pole shoe 2 is smaller than that of the pole body 1 of the magnetic pole, the torque fluctuation is reduced in the actual operation process, and the load performance is stabilized.
As shown in fig. 2-4, in order to specifically explain the lengths of the pole body and the pole shoe, the total length of the pole body 1 of the magnetic pole is 32mm, and the difference between the front and rear end surfaces of the pole shoe 2 in the length direction and the corresponding end surfaces of the pole body 1 in the length direction is 3.5 mm;
that is to say that the total length of the pole body 1 of the magnetic pole is 32mm, the length of the pole shoe 2 is 25cm, and the pole shoes 2 are symmetrically arranged at two sides of the bottom of the pole body 1 of the magnetic pole.
As shown in fig. 2-4, in order to facilitate the rotation of the wire frame and prevent the wire frame from interfering with the wire frame, the lower end surface of the pole shoe 2 is a first arc 3;
through setting up first radian 3, the line is felt to magnetism that makes the stator produce all the time perpendicularly and the wire frame, makes the wire frame produce maximum moment, can avoid again in addition to interfere with the wire frame emergence.
As shown in fig. 2-4, in order to illustrate the radian of the first arc, the radius of the first arc 3 is 25.5 mm.
As shown in fig. 2-4, in order to facilitate the attachment of the pole body of the magnetic pole to the inner wall of the casing, the utility model adopts a second arc 4 attached to the inner wall of the casing on the upper end surface of the pole body 1 of the magnetic pole;
that is, the second arc 4 conforms to the curvature of the inner wall of the housing.
As shown in fig. 2-4, in order to illustrate the curvature of the second arc, the radius of the second arc 4 is 34 mm.
As shown in fig. 2-4, the second arc 4 is the same circle as the first arc 3, and the center axis of rotation of the wire frame also passes through the center of the circle.
The utility model relates to a load stable magnetic pole, the length direction of pole shoe 2 is less than the length direction of magnetic pole body 2 to optimize the appearance of pole shoe 2, can reduce the magnetic flux, again can the steady load performance.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A load-stabilized magnetic pole, comprising: comprises a magnetic pole body for winding a stator coil;
pole shoes symmetrically extend towards two sides from the lower part of the pole body of the magnetic pole, and the length of each pole shoe is smaller than that of the pole body of the magnetic pole.
2. A load stabilized pole according to claim 1, wherein: the total length of the pole body of the magnetic pole is 32mm, and the difference value between the front end surface and the rear end surface of the pole shoe in the length direction and the corresponding end surface of the pole body of the magnetic pole is 3.5 mm.
3. A load stabilized pole according to claim 1, wherein: the lower end face of the pole shoe is in a first arc shape.
4. A load stabilized pole according to claim 3, wherein: the first arc radius is 25.5 mm.
5. A load stabilized pole according to claim 3, wherein: the upper end surface of the pole body of the magnetic pole is in a second arc shape attached to the inner wall of the shell.
6. A load stabilized pole according to claim 5, wherein: the second arc radius is 34 mm.
7. A load stabilized pole according to claim 6, wherein: the second arc is concentric with the first arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922319909.4U CN210898662U (en) | 2019-12-20 | 2019-12-20 | Magnetic pole with stable load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922319909.4U CN210898662U (en) | 2019-12-20 | 2019-12-20 | Magnetic pole with stable load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898662U true CN210898662U (en) | 2020-06-30 |
Family
ID=71323222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922319909.4U Active CN210898662U (en) | 2019-12-20 | 2019-12-20 | Magnetic pole with stable load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898662U (en) |
-
2019
- 2019-12-20 CN CN201922319909.4U patent/CN210898662U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 No. 19, Wenya Road, Qianhuang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU WUJIN ASIA-PACIFIC ELECTRICAL AND MECHANICAL PARTS Co.,Ltd. Country or region after: China Address before: No. 1, Longwo Road, Wujin Hi tech Industrial Development Zone, Changzhou City, Jiangsu Province, 213100 Patentee before: CHANGZHOU WUJIN ASIA-PACIFIC ELECTRICAL AND MECHANICAL PARTS Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |