CN202384864U - Rotor used for automobile switch reluctance motors - Google Patents
Rotor used for automobile switch reluctance motors Download PDFInfo
- Publication number
- CN202384864U CN202384864U CN2011205714531U CN201120571453U CN202384864U CN 202384864 U CN202384864 U CN 202384864U CN 2011205714531 U CN2011205714531 U CN 2011205714531U CN 201120571453 U CN201120571453 U CN 201120571453U CN 202384864 U CN202384864 U CN 202384864U
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- CN
- China
- Prior art keywords
- rotor
- switch reluctance
- machine shaft
- motor
- poles
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- 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
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Abstract
The utility model discloses a rotor used for automobile switch reluctance motors, which comprises a rotor body. The rotor body is fixed on a motor shaft and composed of a plurality of rotor stamping sheets which are superimposed together. The rotor used for the automobile switch reluctance motors is characterized in that the rotor stamping sheets are silicon-steel stamping sheets, circular holes matching with the motor shaft are arranged at the centers of the rotor stamping sheets, a plurality of salient poles are arranged on the peripheries of the rotor stamping sheets evenly, and grooves are respectively formed between each two adjacent salient poles; and a left fixing plate and a right fixing plate which are used for fixing the rotor body are arranged at two ends of the motor shaft. The rotor used for the automobile switch reluctance motors has the advantages that the rotor body is not only low in iron loss, good in punching and high in superimposition coefficient, but also favorable for guaranteeing a small moment of inertia of the rotor about two thirds that of a squirrel cage motor of the same size, stress applied to the shaft is reduced greatly; and poles of the rotor and a stator are increased proportionally, so that the requirement for low rated rotating speed of the automobile motors is met effectively.
Description
Technical field
The utility model relates to a kind of vehicle switch reluctance motor and uses rotor, in particular, relates in particular to and has a kind ofly reduced rotor moment of inertia effectively and be easy to realize that the vehicle switch reluctance motor that the low rated speed of electric motor of automobile requires uses rotor.
Background technology
Switched reluctance machines is the stepless time adjustment motor of the new situations after frequency control motor, brushless DC motor as a kind of novel buncher.Switched reluctance machines is widely used in the electric automobile, and it has high-energy-density and high system imitates, and has broad application prospects.Rotor is as the critical component of switched reluctance machines, and its version directly has influence on each performance index of motor; The characteristics that the rotor of switched reluctance machines requires to have Stability Analysis of Structures, moment of inertia is little and speed adjustable range is wide.
Summary of the invention
The utility model is in order to overcome the shortcoming of above-mentioned technical problem, provides a kind of and reduced rotor moment of inertia effectively and be easy to realize that the vehicle switch reluctance motor that the low rated speed of electric motor of automobile requires uses rotor.
The vehicle switch reluctance motor of the utility model is used rotor; Comprise the rotor block that is fixed on the machine shaft; Rotor block is made up of some rotor punchings that are superimposed together, and its special feature is: said rotor punching is a silicon steel sheet, and the central authorities of rotor punching offer the circular hole that matches with machine shaft; The periphery of rotor punching evenly is provided with some salient poles, forms groove between adjacent two salient poles; The two ends of said machine shaft are provided with and are used for left fixed head and right fixed head that rotor block is fixed.Rotor punching forms rotor block to be superimposed together with the perpendicular arrangement form of machine shaft; Rotor punching adopts silicon steel sheet, has the advantage that iron loss is low, punching property good and stacking factor is high, helps improving motor performance.The salient pole number of rotor sheet just is equivalent to the number of poles of rotor, at the two ends of rotor block left fixed head and right fixed head is set respectively, realizes effectively fixing to rotor block, guaranteed whole rotor under long-time running stable.
The vehicle switch reluctance motor of the utility model is used rotor, and said rotor is fixed on the machine shaft through the rotor key along the axis direction setting of machine shaft.Rotor and machine shaft adopt key to be connected, and both have been convenient to the assembling of rotor, also help guaranteeing the fastness that connects.
The vehicle switch reluctance motor of the utility model is used rotor, and the arranged outside of said left fixed head or right fixed head has had the ring key of fixation.
The vehicle switch reluctance motor of the utility model is used rotor, and the number of poles of the number of said salient pole and the stator that matches with rotor block is respectively 16,24 or 12,18.Through number of poles proportional or one-tenth multiple ground increase rotor and stator, help satisfying the low requirement of rated speed of electric motor of automobile, and be easy to guarantee that mechanical mechanism is reasonable, winding is easy to manufacture and low cost of manufacture.
The beneficial effect of the utility model is: the rotor block of the utility model is built up as rotor punching through adopting silicon steel sheet; Not only iron loss is low, punching property is good and stacking factor is high; But also help guaranteeing that rotor has less moment of inertia; Be about 2/3 of unidimensional squirrel-cage motor, significantly reduced the stressed of axle.Through the two ends at rotor block be provided with left fixed head with fixed head is arranged, guaranteed effectively motor under long-time running stable; Through becoming to increase pro rata the number of poles of rotor and stator, satisfied the electric motor of automobile requirement low effectively to rated speed.
Description of drawings
Fig. 1 is the structural representation of the switched reluctance machines of the utility model with rotor;
Fig. 2 is the perspective view of the switched reluctance machines of the utility model with rotor.
Among the figure: 1 machine shaft, 2 salient poles, 3 left fixed heads, 4 right fixed heads, 5 ring keies, 6 rotor key, 7 grooves.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As depicted in figs. 1 and 2, provided the structural representation of the vehicle switch reluctance motor of the utility model with rotor, comprise machine shaft 1, salient pole 2, left fixed head 3, right fixed head 4, ring key 5, rotor key 6, groove 7; Machine shaft 1 is used for fixing rotor block, and rotor block is made up of the rotor punching that is superimposed with each other together, and the central authorities of rotor punching offer the circular hole that matches with machine shaft 1, and rotor punching is to be superimposed together with the perpendicular mode of the axis of machine shaft 1.The peripheral position of rotor punching evenly offers some grooves 7, forms salient pole 2 between adjacent two grooves 7, and the number of salient pole 2 is the number of poles of rotor.The material selection of rotor punching is a silicon steel sheet, and silicon steel sheet has the advantage that iron loss is low, punching property good and stacking factor is high.
The two ends of the rotor block that forms at rotor punching are provided with left fixed head 3 and right fixed head 4, have good fastness so that guarantee rotor block, at motor long-time running state lower rotor part body deformation do not take place.Left side fixed head 3 adopts not magnetic stainless steel plate with right fixed head 4, and both proof strength has had does not influence motor performance.Rotor block is fixed on the machine shaft 1 through rotor key 6, both has been convenient to the assembling of rotor, also helps guaranteeing the fastness that connects.Side at rotor block also is provided with ring key 5, so that with firm being fixed on the machine shaft 1 of rotor block.Machine shaft 1 is easy to adopt high strength alloy steel, improves rotating shaft intensity.Splined surfaces on the machine shaft adopts carburizing and quenching to handle, and has improved Qiang Du ﹑ impact toughness and the Xing of Nai Mo ﹐ and has increased the service life.
Rotor block adopts silicon steel sheet to be formed by stacking, and the aluminum mouse cage need not be set, and makes it have less moment of inertia, is about unidimensional mouse cage induction machine 2/3, has significantly reduced the stressed of axle.Be particularly suitable for high speed, ultrahigh speed operation occasion.The number of poles of rotor block and the number of poles of stator can adopt 16,24 or 12 18 respectively, just can satisfy the electric motor of automobile requirement low to rated speed, and guarantee that its reasonable mechanical structure, winding are easy to manufacture, and the motor manufacturing cost is also relatively low.Can adopt form, help realizing the accurate positioning control of motor the single-phase energising of motor; Electronic and the braking of motor is very fast change-over time, can in 1 pulse period, accomplish, and motor is generating work in the braking procedure, through being equipped with special-purpose energy feedback unit, realizes reaching purpose of energy saving to the storage battery feedback energy.
Claims (4)
1. a vehicle switch reluctance motor is used rotor; Comprise the rotor block that is fixed on the machine shaft (1); Rotor block is made up of some rotor punchings that are superimposed together, and it is characterized in that: said rotor punching is a silicon steel sheet, and the central authorities of rotor punching offer the circular hole that matches with machine shaft; The periphery of rotor punching evenly is provided with some salient poles (2), forms groove (7) between adjacent two salient poles; The two ends of said machine shaft are provided with and are used for left fixed head (3) and right fixed head (4) that rotor block is fixed.
2. vehicle switch reluctance motor according to claim 1 is used rotor, it is characterized in that: said rotor is fixed on the machine shaft through the rotor key (6) that the axis direction along machine shaft (1) is provided with.
3. vehicle switch reluctance motor according to claim 1 and 2 is used rotor, it is characterized in that: the arranged outside of said left fixed head (3) or right fixed head (4) has had the ring key (5) of fixation.
4. vehicle switch reluctance motor according to claim 1 and 2 is used rotor, it is characterized in that: the number of poles of the number of said salient pole (2) and the stator that matches with rotor block is respectively 16,24 or 12,18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205714531U CN202384864U (en) | 2011-12-31 | 2011-12-31 | Rotor used for automobile switch reluctance motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205714531U CN202384864U (en) | 2011-12-31 | 2011-12-31 | Rotor used for automobile switch reluctance motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384864U true CN202384864U (en) | 2012-08-15 |
Family
ID=46633336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205714531U Expired - Fee Related CN202384864U (en) | 2011-12-31 | 2011-12-31 | Rotor used for automobile switch reluctance motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018002149A (en) * | 2017-09-22 | 2018-01-11 | Ntn株式会社 | In-wheel motor drive device |
| CN110011505A (en) * | 2019-05-06 | 2019-07-12 | 河北科技大学 | Dual stator wind power machine |
-
2011
- 2011-12-31 CN CN2011205714531U patent/CN202384864U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018002149A (en) * | 2017-09-22 | 2018-01-11 | Ntn株式会社 | In-wheel motor drive device |
| CN110011505A (en) * | 2019-05-06 | 2019-07-12 | 河北科技大学 | Dual stator wind power machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |