CN105429318A - Auto starter and method of fixing stator inner magnetic block in starter - Google Patents
Auto starter and method of fixing stator inner magnetic block in starter Download PDFInfo
- Publication number
- CN105429318A CN105429318A CN201511013328.8A CN201511013328A CN105429318A CN 105429318 A CN105429318 A CN 105429318A CN 201511013328 A CN201511013328 A CN 201511013328A CN 105429318 A CN105429318 A CN 105429318A
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- China
- Prior art keywords
- stator
- magnetic patch
- ramp structure
- automobile starter
- thickness
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an auto starter and a method of fixing a stator inner magnetic block in the starter. The auto starter comprises a rotor (1) and a stator (2), wherein the stator (2) is a rare earth magnetic cylinder; the stator (2) is a four-stage magnetic cylinder or a six-stage magnetic cylinder; the magnetic block (21) in the stator (2) adopts a Nd-Fe-B magnet; the inner side area of the magnetic block (21) remains unchanged; and the thickness of the magnetic block (21) is narrowed half of the original thickness. The problems of insufficient magnetic strength of the existing starter and a limited driving force provided in the case of starting can be solved. The auto starter and the method belong to the field of vehicle engineering.
Description
Technical field
The present invention relates to the fixing means of a kind of starter and interior magnetic patch thereof, belong to Vehicle Engineering.
Background technology
Automobile starter, it is the indispensable vitals of automobile, the kind of automobile starter is more, its main distinction is exactly stator/magnetic cylinder difference of starter, thus cause the difference of starter performance, at present, the maximum weakness of automobile starter is exactly magnetism intensity deficiency, the actuating force that can provide during startup is limited, cannot meet the requirement that automobile starts fast.
Summary of the invention
The object of the invention is to: the fixing means that magnetic patch in stator in a kind of automobile starter and starter is provided, not enough to solve existing starter magnetism intensity, the problem that the actuating force that can provide during startup is limited.
For solving the problem, intend adopting so a kind of automobile starter, comprise rotor and stator, stator is Rare-Earth Magnetic cylinder, and the magnetic patch in stator adopts Ru-Fe-Mn magnet;
Sheathedly in stator be fixed with tubular fixture, tubular fixture is along the circumferential direction distributed and is provided with magnet-fixation grooves, described magnetic patch is set all correspondingly and is fixed in magnet-fixation grooves,
Described tubular fixture is rigid plastics;
The thickness of tubular fixture is identical with the thickness of magnetic patch, and magnet-fixation grooves is groove, and the inner and outer wall of magnetic patch coincides with the inner and outer wall place curved surface of tubular fixture respectively;
Stator is level Four magnetic cylinder or six grades of magnetic cylinders;
Preferably, the inner side area of magnetic patch remains unchanged, and the thickness of magnetic patch is reduced into the half of original thickness;
Also be provided with soft iron between magnetic patch and the inwall of stator, the thickness of soft iron is identical with the thickness of magnetic patch or close, and magnetic patch is fixed on the inwall of stator by soft iron, when not changing stator casing size, makes this magnetic patch adapt to stator casing size;
Magnetic patch is fixedly installed on the inwall of stator by side direction fixture, because the thickness of magnetic patch reduces, when adapting to existing rotor, can reduce the size of stator casing;
This automobile starter also includes combination gear, in combination gear the gear teeth end face outside on be provided with the first ramp structure of inclination, first ramp structure is lateral tilt structure, and the angle of inclination of the first ramp structure is more than or equal to 30 degree, shared by first ramp structure, face area is greater than 1/2 of this end face gross area, in combination gear the gear teeth end face on the basis of the first ramp structure, be also provided with the second ramp structure that angle of inclination is greater than the first ramp structure, second ramp structure is also lateral tilt structure, and the inclination number of degrees of the second ramp structure are between 35-70 degree,
In above-mentioned automobile starter, in stator, the fixing means of magnetic patch is as follows:
First, prepare the tubular fixture of high temperature with plastics, the external diameter of tubular fixture equals or slightly larger than the internal diameter of stator, is set correspondingly by magnetic patch in the magnet-fixation grooves be fixed on tubular fixture;
Afterwards, the tubular fixture of high temperature and stator are inserted coaxially in stator, after cooling, namely tubular fixture is fixed on stator inner wall, completes the fixing of magnetic patch.
The present invention compared with prior art, major advantage is the magnetic cylinder that this starter adopts, i.e. stator, when inner magnetic patch thickness reduces half, magnetism intensity nearly ten times still can be improved compared to existing state-of-the-art ferrite magnetic cylinder, at present, state-of-the-art starter is when immediate current 750A in the world, moment of torsion is generally at about 18NM, and starter of the present invention is when passing into immediate current 598A, moment of torsion can reach more than 25NM, its tripping force can be greatly improved when automobile starting, drastically increase its serviceability, if and do not need too large magnetism intensity, then can greatly reduce the wire diameter of rotor coil, save material and power saving, and when adopting other side fixed modes not adding soft iron, can relatively reduce stator casing size, reduce starter volume, save material and taken up space,
In this automobile starter, in stator, the magnetic patch in the even more multistage magnetic cylinder of level Four magnetic cylinder/six grade magnetic cylinder can be fixed in stator by the fixing means of magnetic patch fast fast, fixing means is very simple, solve the difficult problem that magnetic patch is difficult to fix, greatly improve stator processing efficiency, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of starter of the present invention;
Fig. 2 is the left view of starter stator in embodiment 1;
Fig. 3 is the left view of starter stator in embodiment 2;
Fig. 4 is the left view of starter stator in specific embodiment 3;
Fig. 5 is the structural representation of tubular fixture in Fig. 4;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is structural representation when tubular fixture not being fixed in Fig. 6 magnetic patch;
Fig. 8 is the main TV structure schematic diagram of the gear teeth in combination gear of the present invention;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the right view of Fig. 8.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, the present invention is described in further detail below with reference to accompanying drawings,
Embodiment 1:
With reference to Fig. 1, Fig. 2, Fig. 8, Fig. 9 and Figure 10, the present embodiment provides a kind of automobile starter, comprise rotor 1 and stator 2, stator 2 is level Four magnetic cylinder, magnetic patch 21 in stator 2 adopts Ru-Fe-Mn magnet, the inner side area of magnetic patch 21 remains unchanged, the thickness of magnetic patch 21 is reduced into the half of original thickness, soft iron 22 is provided with between the inwall of magnetic patch 21 and stator 2, the thickness of soft iron 22 is identical with the thickness of magnetic patch 21 or close, magnetic patch 21 is fixed on the inwall of stator 2 by soft iron 22, when not changing stator casing size, this magnetic patch is made to adapt to stator casing size,
This automobile starter also includes combination gear 5, in combination gear 5 gear teeth 51 end face outside on be provided with the first ramp structure 52 of inclination, first ramp structure 52 is lateral tilt structure, and the angle of inclination of the first ramp structure 52 is 45 degree, shared by first ramp structure 52, face area is greater than 1/2 of this end face gross area, in combination gear 5 gear teeth 51 end face on the basis of the first ramp structure 52, be also provided with the second ramp structure 53 that angle of inclination is greater than the first ramp structure 52, second ramp structure 53 is also lateral tilt structure, and the inclination number of degrees of the second ramp structure 53 are 60 degree.
Embodiment 2:
With reference to Fig. 1, Fig. 3, Fig. 8, Fig. 9 and Figure 10, the present embodiment provides a kind of automobile starter, comprise rotor 1 and stator 2, stator 2 is level Four magnetic cylinder, and the magnetic patch 21 in stator 2 adopts Ru-Fe-Mn magnet, the inner side area of magnetic patch 21 remains unchanged, the thickness of magnetic patch 21 is reduced into the half of original thickness, and magnetic patch 21 is fixedly installed on the inwall of stator 2 by side direction fixture 3, because the thickness of magnetic patch 21 reduces, when adapting to existing rotor 1, reduce the size of stator 2 shell;
This automobile starter also includes combination gear 5, in combination gear 5 gear teeth 51 end face outside on be provided with the first ramp structure 52 of inclination, first ramp structure 52 is lateral tilt structure, and the angle of inclination of the first ramp structure 52 is 45 degree, shared by first ramp structure 52, face area is greater than 1/2 of this end face gross area, in combination gear 5 gear teeth 51 end face on the basis of the first ramp structure 52, be also provided with the second ramp structure 53 that angle of inclination is greater than the first ramp structure 52, second ramp structure 53 is also lateral tilt structure, and the inclination number of degrees of the second ramp structure 53 are 60 degree.
Embodiment 3:
With reference to Fig. 1, Fig. 4 to Figure 10, the present embodiment provides a kind of automobile starter, comprise rotor 1 and stator 2, stator 2 is six grades of Rare-Earth Magnetic cylinders, magnetic patch 21 in stator 2 adopts Ru-Fe-Mn magnet, sheathedly in stator 2 be fixed with tubular fixture 4, tubular fixture 4 is rigid plastics, tubular fixture 4 is along the circumferential direction distributed and is provided with magnet-fixation grooves 41, described magnetic patch 21 is set all correspondingly and is fixed in magnet-fixation grooves 41, the thickness of tubular fixture 4 is identical with the thickness of magnetic patch 21, magnet-fixation grooves 41 is groove, the inner and outer wall of magnetic patch 21 coincides with the inner and outer wall place curved surface of tubular fixture 4 respectively,
This automobile starter also includes combination gear 5, in combination gear 5 gear teeth 51 end face outside on be provided with the first ramp structure 52 of inclination, first ramp structure 52 is lateral tilt structure, and the angle of inclination of the first ramp structure 52 is more than or equal to 30 degree, shared by first ramp structure 52, face area is greater than 1/2 of this end face gross area, in combination gear 5 gear teeth 51 end face on the basis of the first ramp structure 52, be also provided with the second ramp structure 53 that angle of inclination is greater than the first ramp structure 52, second ramp structure 53 is also lateral tilt structure, and the inclination number of degrees of the second ramp structure 53 are between 35-70 degree,
In above-mentioned automobile starter, in stator, the fixing means of magnetic patch is as follows:
First, prepare the tubular fixture 4 of high temperature with plastics, the external diameter of tubular fixture 4 equals or slightly larger than the internal diameter of stator 2, is set correspondingly by magnetic patch 21 in the magnet-fixation grooves 41 be fixed on tubular fixture 4;
Afterwards, tubular fixture 4 and the stator 2 of high temperature are inserted coaxially in stator 2, after cooling, namely tubular fixture 4 is fixed on stator 2 inwall, completes the fixing of magnetic patch 21.
Claims (10)
1. an automobile starter, comprises rotor (1) and stator (2), it is characterized in that: stator (2) is Rare-Earth Magnetic cylinder, and the magnetic patch (21) in stator (2) adopts Ru-Fe-Mn magnet.
2. a kind of automobile starter according to claim 1, it is characterized in that: sheathedly in stator (2) be fixed with tubular fixture (4), tubular fixture (4) is along the circumferential direction distributed and is provided with magnet-fixation grooves (41), described magnetic patch (21) is set all correspondingly and is fixed in magnet-fixation grooves (41).
3. a kind of automobile starter according to claim 2, is characterized in that: described tubular fixture (4) is rigid plastics.
4. a kind of automobile starter according to Claims 2 or 3, it is characterized in that: the thickness of tubular fixture (4) is identical with the thickness of magnetic patch (21), magnet-fixation grooves (41) is groove, and the inner and outer wall of magnetic patch (21) coincides with the inner and outer wall place curved surface of tubular fixture (4) respectively.
5. a kind of automobile starter according to claim 1, is characterized in that: stator (2) is level Four magnetic cylinder or six grades of magnetic cylinders.
6. a kind of automobile starter according to claim 1, it is characterized in that: the inner side area of magnetic patch (21) remains unchanged, the thickness of magnetic patch (21) is reduced into the half of original thickness.
7. a kind of automobile starter according to claim 1, it is characterized in that: between the inwall of magnetic patch (21) and stator (2), be also provided with soft iron (22), the thickness of soft iron (22) is identical or close with the thickness of magnetic patch (21), magnetic patch (21) is fixed on the inwall of stator (2) by soft iron (22), when not changing stator casing size, this magnetic patch is made to adapt to stator casing size.
8. a kind of automobile starter according to claim 1, it is characterized in that: magnetic patch (21) is fixedly installed on the inwall of stator (2) by side direction fixture (3), because the thickness of magnetic patch (21) reduces, when adapting to existing rotor (1), the size of stator (2) shell can be reduced.
9. a kind of automobile starter according to claim 1, it is characterized in that: described automobile starter also includes combination gear (5), the end face outside of the middle gear teeth (51) of combination gear (5) is provided with first ramp structure (52) of inclination, first ramp structure (52) is lateral tilt structure, and the angle of inclination of the first ramp structure (52) is more than or equal to 30 degree, the shared face area of first ramp structure (52) is greater than 1/2 of this end face gross area, the end face of the middle gear teeth (51) of combination gear (5) is also provided with on the basis of the first ramp structure (52) the second ramp structure (53) that angle of inclination is greater than the first ramp structure (52), second ramp structure (53) is also lateral tilt structure, and the inclination number of degrees of the second ramp structure (53) are between 35-70 degree.
10. the fixing means of magnetic patch in stator in automobile starter described in claim 3, is characterized in that comprising the steps:
First, prepare the tubular fixture (4) of high temperature with plastics, the external diameter of tubular fixture (4) equals or slightly larger than the internal diameter of stator (2), is set correspondingly by magnetic patch (21) in the magnet-fixation grooves (41) be fixed on tubular fixture (4);
Afterwards, insert in stator (2) coaxially by the tubular fixture (4) of high temperature and stator (2), after cooling, tubular fixture (4) is namely fixed on stator (2) inwall, completes the fixing of magnetic patch (21).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013328.8A CN105429318A (en) | 2015-12-31 | 2015-12-31 | Auto starter and method of fixing stator inner magnetic block in starter |
| CN201610249584.5A CN105703494A (en) | 2015-12-31 | 2016-04-21 | High-power automobile starter and stator magnetic steel fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013328.8A CN105429318A (en) | 2015-12-31 | 2015-12-31 | Auto starter and method of fixing stator inner magnetic block in starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105429318A true CN105429318A (en) | 2016-03-23 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511013328.8A Pending CN105429318A (en) | 2015-12-31 | 2015-12-31 | Auto starter and method of fixing stator inner magnetic block in starter |
| CN201610249584.5A Pending CN105703494A (en) | 2015-12-31 | 2016-04-21 | High-power automobile starter and stator magnetic steel fixing method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610249584.5A Pending CN105703494A (en) | 2015-12-31 | 2016-04-21 | High-power automobile starter and stator magnetic steel fixing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105429318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366849A (en) * | 2020-10-27 | 2021-02-12 | 宁波奥普斯机械制造有限公司 | Stator structure for permanent magnet brush direct current motor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108616174A (en) * | 2018-05-03 | 2018-10-02 | 核心驱动科技（金华）有限公司 | A kind of combination magnet steel |
| CN110943556A (en) * | 2019-12-30 | 2020-03-31 | 广东井得电机股份有限公司 | Starter with high output power |
| CN114694916B (en) * | 2022-05-06 | 2023-08-15 | 中国科学院近代物理研究所 | Six-pole permanent magnet for high-current high-charge state ion source and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2617070Y (en) * | 2003-04-11 | 2004-05-19 | 陈文龙 | Permanent-magnet direct-currenjt motor stator with improved magnet structure |
| US20070159021A1 (en) * | 2005-12-19 | 2007-07-12 | Emerson Electric Co. | Composite magnet structure for rotor |
| CN101764446B (en) * | 2008-12-24 | 2013-06-12 | 德昌电机(深圳)有限公司 | Motor stator and manufacturing method thereof |
| CN201956861U (en) * | 2011-02-18 | 2011-08-31 | 德昌电机(深圳)有限公司 | Permanent magnet DC (direct current) motor |
| CN205657510U (en) * | 2015-12-31 | 2016-10-19 | 丁培远 | High power automobile starter |
-
2015
- 2015-12-31 CN CN201511013328.8A patent/CN105429318A/en active Pending
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2016
- 2016-04-21 CN CN201610249584.5A patent/CN105703494A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366849A (en) * | 2020-10-27 | 2021-02-12 | 宁波奥普斯机械制造有限公司 | Stator structure for permanent magnet brush direct current motor |
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| CN105703494A (en) | 2016-06-22 |
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Application publication date: 20160323 |