CN101694956A - Permanent magnet motor rotor with improved structure - Google Patents
Permanent magnet motor rotor with improved structure Download PDFInfo
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- CN101694956A CN101694956A CN200910234128A CN200910234128A CN101694956A CN 101694956 A CN101694956 A CN 101694956A CN 200910234128 A CN200910234128 A CN 200910234128A CN 200910234128 A CN200910234128 A CN 200910234128A CN 101694956 A CN101694956 A CN 101694956A
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- magnet steel
- fixed mount
- rotor body
- rotor
- permanent magnet
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Abstract
A permanent magnet motor rotor with an improved structure comprises a rotor body, a magnetic steel fixing frame and a plurality of magnetic steels. The magnetic steel fixing frame is arranged inside an inner cavity of the rotor body, magnetic steel positioning chambers are distributed on the magnetic steel fixing frame, magnetic steel clips are respectively formed on edges of each magnetic steel positioning chamber, and the magnetic steels are respectively placed into the magnetic steel positioning chambers of the magnetic steel fixing frame and are clipped by the magnetic steel clips. The permanent magnet motor rotor is characterized in that the magnetic steel fixing frame is fixed on the rotor body through a locking mechanism. The permanent magnet motor rotor has the advantages that the rotor can guarantee normal and efficient operation of a motor, can reduce processing precision of the magnetic steel fixing frame, is convenient in manufacturing and reduces production cost, and further, because the magnetic steel positioning chambers are quadrilateral, the magnetic steel positioning chambers can not only fix straight magnetic steels but fix oblique magnetic steels.
Description
Technical field
The present invention relates to a kind of rotor, particularly a kind of permanent magnet machine rotor is the improvement to existing rotor structure for permanent magnet motor.
Background technology
China utility model patent Granted publication CN201008106Y discloses a kind of " structure improved permanent magnet machine rotor ", it comprises rotor body, be located at the plural number piece magnet steel in the inner chamber of rotor body, characteristics are: have additional a magnet steel fixed mount in the inner chamber of described rotor body, cloth is useful on a plurality of magnet steel positioning chambers that magnet steel is installed between on this magnet steel fixed mount, is formed with the magnet steel folder that is used for the clamping magnet steel on the edge, chamber of each magnet steel positioning chamber respectively.This permanent magnet machine rotor that has additional the magnet steel fixed mount, the advantage that has is: because magnet steel blocks clipping the jail with the bonding back of the surface of internal cavity of rotor body by the elasticity magnet steel on the magnet steel fixed mount, thereby magnet steel is fixed, obscission can not take place; Because the magnet steel fixed mount links into an integrated entity magnet steel on every side, so can save every magnetic stripe and stainless steel press strip, make magnet steel need not to be made into the special shape of band chamfering, also need not to increase length, more need not on cylindrical rotor body, to punch again, thereby can conveniently process, reduce manufacturing cost.But, also there is following shortcoming in actual use in said structure: at first, the heat that produces in running up along with heat that produces in the galvanomagnetic effect conversion process of energy and motor, adhesive still inevitably can be subjected to thermal failure, though at this moment magnet steel can not come off, but the integral body that magnet steel and magnet steel fixed mount are formed can be shifted with respect to the internal chamber wall of rotor body, and it is inconsistent that rotation between rotor body and magnet steel, the magnet steel fixed mount is existed, and causes motor normally effectively not work; Secondly, because the magnet steel fixed mount is the loop configuration of one, its excircle dimension size can't be adjusted, the inner cavity size ratio of precision of rotor body is higher, for the inner cavity size that makes magnet steel fixed mount excircle dimension and rotor body matches, just require the magnet steel fixed mount to do to such an extent that precision wants high, so increased the difficulty of processing.
Summary of the invention
The objective of the invention is to provide a kind of can making to realize rotation synchronously between magnet steel and the rotor body,, can reduce the permanent magnet machine rotor of the improvement structure of difficulty of processing simultaneously to guarantee the motor operate as normal.
The objective of the invention is to reach like this, a kind of permanent magnet machine rotor that improves structure, comprise rotor body 1, magnet steel fixed mount 3 and plural number piece magnet steel 2, described magnet steel fixed mount 3 is located in the inner chamber 11 of rotor body 1, between on the magnet steel fixed mount 3, be furnished with magnet steel positioning chamber 31, the chamber of each magnet steel positioning chamber 31 is along the last magnet steel folder 32 that is formed with respectively, described plural number piece magnet steel 2 places respectively in the magnet steel positioning chamber 31 of magnet steel fixed mount 3 and by magnet steel and presss from both sides 32 clampings, and be characterized in: described magnet steel fixed mount 3 is fixed on the described rotor body 1 by retaining mechanism.
In a specific embodiment of the present invention, described retaining mechanism comprises screw 5, one side of described magnet steel fixed mount 3 is formed with and is used for the flange 33 that cooperates with the outward flange of rotor body 1, offer through hole 331 on the flange 33, described screw 5 is spirally connected with rotor body 1 in through hole 331 backs of passing on the flange 33.
In another specific embodiment of the present invention, described retaining mechanism comprises screw 5 and stator 4, offer through hole 42 on the body of described stator 4, one side of stator 4 is formed with bending 41, the centre of adjacent two magnet steel folder 32 is inserted in described bending 41, described stator 4 places on the outward flange of rotor body 1, and described screw 5 is spirally connected with rotor body 1 in through hole 42 backs of passing on the stator 4.
In another specific embodiment of the present invention, described magnet steel fixed mount 3 is the full circle rings that are spliced into by plural arc section.
In another specific embodiment of the present invention, the arc section of described each magnet steel fixed mount 3 is that punch die is shaped.
In also specific embodiment of the present invention, moulding integratedly when described magnet steel positioning chamber 31, magnet steel folder 32 are shaped with magnet steel fixed mount 3 arc section punch dies.
In of the present invention and then specific embodiment, described magnet steel positioning chamber 31, magnet steel folder 32, moulding integratedly when flange 33 is shaped with magnet steel fixed mount 3 arc section punch dies.
More of the present invention and in specific embodiment, described magnet steel positioning chamber 31 be shaped as quadrangle.
The present invention is because after adopting said structure, the beneficial effect that has: at first, because the magnet steel fixed mount is fixed on the rotor body by retaining mechanism, the time make integral body that magnet steel and magnet steel fixed mount form not be shifted in operation with respect to the internal chamber wall of rotor body, both can realize synchronous rotation, thereby guarantee that motor can normally effectively work; Secondly, the magnet steel fixed mount adopts the full circle ring that is spliced by a plurality of arc sections of split, like this, realize adjustment by regulating gap between adjacent two arc sections to the whole excircle dimension of magnet steel fixed mount, thereby can reduce the machining accuracy of magnet steel fixed mount, the convenient making reduces production costs; Once more, owing to the quadrangle that is shaped as of magnet steel positioning chamber,, also can fix oblique magnet steel so this structure both can be fixed straight magnet steel.
Description of drawings
Fig. 1 is one embodiment of the invention structure diagram.
Fig. 2 is the partial section of magnet steel among Fig. 1, magnet steel fixed mount and retaining mechanism.
Fig. 3 is the structure diagram of one of them arc section of magnet steel fixed mount among the embodiment 1.
Fig. 4 is the another embodiment of the present invention structure diagram.
Fig. 5 is the partial section of magnet steel among Fig. 4, magnet steel fixed mount and retaining mechanism.
Fig. 6 is an example structure figure of stator among Fig. 4.
Fig. 7 is another example structure figure of stator among Fig. 4.
Among the figure: 1. rotor body, 11. inner chambers, 111. inner chamber seams; 2. magnet steel; 3. magnet steel fixed mount, 31. magnet steel positioning chambers, 32. magnet steel folder, 33. flange, 331. through holes; 4. stator, 41. bendings, 42. through holes; 5. screw.
Embodiment
By the description of applicant, will help to understand the present invention more, and good effect of the present invention is embodied more, but embodiment should not be considered as the restriction to some extent to technical solution of the present invention embodiment.
See also Fig. 1 and in conjunction with Fig. 2, Fig. 3, permanent magnet machine rotor of the present invention mainly comprises rotor body 1, magnet steel fixed mount 3, plural number piece magnet steel 2 and is used for constituting the locking device of fixedlying connected with between magnet steel fixed mount 3 and the rotor body 1.Described magnet steel fixed mount 3 is the full circle rings that are spliced into by arc section shown in Figure 3 by plural, each arc section all adopts by being with punch dies shapings such as flexible non-magnet material such as stainless steel or phosphor bronze sheet material, moulding integratedly when the through hole 331 on the magnet steel positioning chamber 31 on it, magnet steel folder 32, flange 33 and the flange 33 is shaped with magnet steel fixed mount 3 arc section punch dies.In the process of splicing, can adjust the size of whole magnet steel fixed mount 3 excircle dimensions by regulating gap between adjacent two arc sections, so that inner chamber 11 sizes of magnet steel fixed mount 3 excircle dimensions and rotor body 1 match, and on the inner chamber 11 of rotor body 1, be formed with the inner chamber seam 111 that is used for cooperating and all plays the role of positioning with magnet steel fixed mount 3.The shape of the shape of magnet steel positioning chamber 31 of the present invention and described magnet steel 2 matches, present embodiment is a quadrangle, magnet steel positioning chamber 31 is vertical distribution on magnet steel fixed mount 3, and magnet steel presss from both sides 32 chambeies that are formed at each magnet steel positioning chamber 31 vertical both sides respectively along last, and the outside opening in its top is formed with spigot surface, the bottom being convenient to magnet steel 2 and slipping into and then is convenient to block magnet steel 2 to inner opening.Described locking device comprises screw 5, and the quantity of screw 5 should be identical with the quantity of through hole 331 on the flange 33 of magnet steel fixed mount 3.
Present embodiment is installed and used like this: at first, the magnet steel fixed mount 3 of ring-type is placed the inner chamber 11 of rotor body 1, and adjust gap between each arc section, inner chamber 11 sizes of magnet steel fixed mount 3 excircle dimensions and rotor body 1 are matched, an end end face that makes magnet steel fixed mount 3 enter inner chamber 11 inboards simultaneously is located on the inner chamber seam 111 and with magnet steel fixed mount 3 location, the flange 33 that magnet steel fixed mount 3 one sides form then matches with the outward flange of rotor body 1, be spirally connected with the screw that is located on magnet steel fixed mount 3 outward flanges in advance in through hole 331 backs of passing on the flange 33 with screw 5 then, thereby magnet steel fixed mount 3 is fixed on the rotor body 1, then plural number piece magnet steel 2 is embedded respectively in a plurality of magnet steel positioning chambers 31 of magnet steel fixed mount 3.Specifically: magnet steel 2 is pressed from both sides the bottom of the spigot surface place embedding magnet steel folder 32 on 32 tops by magnet steel, and utilize the elasticity of magnet steel folder 32 that magnet steel 2 is firmly blocked in magnet steel positioning chamber 31, simultaneously, in order to prevent that magnet steel 2 is in 3 axial the moving of magnet steel fixed mount, can set up reed respectively in the both lateral sides in the magnet steel positioning chamber 31, magnet steel 2 around in the inner chamber 11 can be linked into an integrated entity by magnet steel fixed mount 3 like this, will adopt the bonding mode of adhesive to fix and place between inner chamber 11 surfaces of the magnet steel 2 of magnet steel positioning chamber 31 and rotor body 1.The heat that produces in running up along with heat that produces in the galvanomagnetic effect conversion process of energy and motor, even adhesive is subjected to thermal failure, because magnet steel fixed mount 3 is fixed by screw 5 with rotor body 1, whole rotation can not take place with respect to rotor body 1 in the inner chamber 11 surperficial magnet steel 2 of rotor body 1 and magnet steel fixed mount 3, has reached the fixed purpose of magnet steel.
See also Fig. 4 and in conjunction with Fig. 5, Fig. 6 and Fig. 7, in this embodiment, magnet steel fixed mount 3 does not have flange 33, but retaining mechanism has been set up stator 4, this stator 4 has plural piece, be arranged on the outward flange of magnet steel fixed mount 3 interruption-likely, offer through hole 42 on the body of each stator 4, and a side of each stator 4 be formed with respectively be used for magnet steel fixed mount 3 on 32 bendings that cooperate 41 of magnet steel folder, bending 41 can be located at the sidepiece (as shown in Figure 6) of stator 4 one sides, also can be located at the centre (as shown in Figure 7) of stator 4 one sides, all the other are with the description to embodiment 1.
Present embodiment is installed and used like this: at first, the magnet steel fixed mount 3 of ring-type is placed the inner chamber 11 of rotor body 1, and adjust gap between each arc section, inner chamber 11 sizes of magnet steel fixed mount 3 excircle dimensions and rotor body 1 are matched, and an end end face that makes magnet steel fixed mount 3 enter inner chamber 11 inboards is located on the inner chamber seam 111 and with magnet steel fixed mount 3 location, then the bending 41 on the plural number piece stator 4 is inserted the centre of adjacent two magnet steel folder 32 respectively, through hole 42 backs of passing respectively on stator 4 bodies with screw 5 are spirally connected with the screw that is located on magnet steel fixed mount 3 outward flanges in advance again, then plural number piece magnet steel 2 are embedded respectively in a plurality of magnet steel positioning chambers 31 of magnet steel fixed mount 3.Specifically: magnet steel 2 is pressed from both sides the bottom of the spigot surface place embedding magnet steel folder 32 on 32 tops by magnet steel, and utilize the elasticity of magnet steel folder 32 that magnet steel 2 is firmly blocked in magnet steel positioning chamber 31, simultaneously, in order to prevent that magnet steel 2 is in 3 axial the moving of magnet steel fixed mount, can in the both lateral sides in the magnet steel positioning chamber 31, set up reed respectively, magnet steel 2 around in the inner chamber 11 can be linked into an integrated entity by magnet steel fixed mount 3 like this, will adopt the bonding mode of adhesive to fix and place between inner chamber 11 surfaces of the magnet steel 2 of magnet steel positioning chamber 31 and rotor body 1.The heat that produces in running up along with heat that produces in the galvanomagnetic effect conversion process of energy and motor, even adhesive is subjected to thermal failure, because the existence of stator bending 41, blocked the integral body rotation of rotor body 1 surface of internal cavity magnet steel 2 and magnet steel fixed mount 3, reached the fixed purpose of magnet steel equally with respect to rotor body 1.
Claims (8)
1. permanent magnet machine rotor that improves structure, comprise rotor body (1), magnet steel fixed mount (3) and plural number piece magnet steel (2), described magnet steel fixed mount (3) is located in the inner chamber (11) of rotor body (1), between going up, magnet steel fixed mount (3) is furnished with magnet steel positioning chamber (31), the chamber of each magnet steel positioning chamber (31) is along the last magnet steel folder (32) that is formed with respectively, described plural number piece magnet steel (2) places in the magnet steel positioning chamber (31) of magnet steel fixed mount (3) respectively and by magnet steel folder (32) clamping, it is characterized in that described magnet steel fixed mount (3) is fixed on the described rotor body (1) by retaining mechanism.
2. the permanent magnet machine rotor of improvement structure according to claim 1, it is characterized in that described retaining mechanism comprises screw (5), one side of described magnet steel fixed mount (3) is formed with and is used for the flange (33) that cooperates with the outward flange of rotor body (1), offer through hole (331) on the flange (33), described screw (5) is spirally connected with rotor body (1) in through hole (331) back of passing on the flange (33).
3. the permanent magnet machine rotor of improvement structure according to claim 1, it is characterized in that described retaining mechanism comprises screw (5) and stator (4), offer through hole (42) on the body of described stator (4), one side of stator (4) is formed with bending (41), the centre of adjacent two magnet steel folders (32) is inserted in described bending (41), described stator (4) places on the outward flange of rotor body (1), and described screw (5) is spirally connected with rotor body (1) in through hole (42) back of passing on the stator (4).
4. the permanent magnet machine rotor of improvement structure according to claim 1 is characterized in that described magnet steel fixed mount (3) is the full circle ring that is spliced into by plural arc section.
5. the permanent magnet machine rotor of improvement structure according to claim 4, the arc section that it is characterized in that described each magnet steel fixed mount (3) are that punch die is shaped.
6. the permanent magnet machine rotor of improvement structure according to claim 5 is characterized in that described magnet steel positioning chamber (31), moulding integratedly when magnet steel folder (32) is shaped with magnet steel fixed mount (3) arc section punch die.
7. the permanent magnet machine rotor of improvement structure according to claim 5 is characterized in that described magnet steel positioning chamber (31), magnet steel folder (32), moulding integratedly when flange (33) is shaped with magnet steel fixed mount (3) arc section punch die.
8. the permanent magnet machine rotor of improvement structure according to claim 1 is characterized in that the quadrangle that is shaped as of described magnet steel positioning chamber (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910234128A CN101694956A (en) | 2009-10-13 | 2009-10-13 | Permanent magnet motor rotor with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910234128A CN101694956A (en) | 2009-10-13 | 2009-10-13 | Permanent magnet motor rotor with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101694956A true CN101694956A (en) | 2010-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910234128A Pending CN101694956A (en) | 2009-10-13 | 2009-10-13 | Permanent magnet motor rotor with improved structure |
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| CN (1) | CN101694956A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142759A (en) * | 2010-11-22 | 2011-08-03 | 常州市裕成富通电机有限公司 | Motor for electric vehicle |
| CN102593989A (en) * | 2012-03-27 | 2012-07-18 | 中国科学院电工研究所 | Rotor structure for permanent-magnet synchronous direct drive motor |
| CN103701234A (en) * | 2013-12-30 | 2014-04-02 | 天津滨海广仁机械制造有限公司 | Fixing device for permanent magnets used in permanent magnet motor |
| CN106537730A (en) * | 2014-05-27 | 2017-03-22 | Tm4股份有限公司 | Inserted permanent magnet rotor for external rotor electric machine |
| CN114779123A (en) * | 2022-06-22 | 2022-07-22 | 沈阳工业大学 | High tension transmission line leakage detector |
-
2009
- 2009-10-13 CN CN200910234128A patent/CN101694956A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142759A (en) * | 2010-11-22 | 2011-08-03 | 常州市裕成富通电机有限公司 | Motor for electric vehicle |
| CN102142759B (en) * | 2010-11-22 | 2012-11-28 | 常州市裕成富通电机有限公司 | Motor for electric vehicle |
| CN102593989A (en) * | 2012-03-27 | 2012-07-18 | 中国科学院电工研究所 | Rotor structure for permanent-magnet synchronous direct drive motor |
| CN103701234A (en) * | 2013-12-30 | 2014-04-02 | 天津滨海广仁机械制造有限公司 | Fixing device for permanent magnets used in permanent magnet motor |
| CN106537730A (en) * | 2014-05-27 | 2017-03-22 | Tm4股份有限公司 | Inserted permanent magnet rotor for external rotor electric machine |
| CN114779123A (en) * | 2022-06-22 | 2022-07-22 | 沈阳工业大学 | High tension transmission line leakage detector |
| CN114779123B (en) * | 2022-06-22 | 2022-09-02 | 沈阳工业大学 | High tension transmission line leakage detector |
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Open date: 20100414 |