CN203573808U - Small-size rotary transformer with matching of 13 stator slots and 16 rotor slots - Google Patents
Small-size rotary transformer with matching of 13 stator slots and 16 rotor slots Download PDFInfo
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- CN203573808U CN203573808U CN201320683235.6U CN201320683235U CN203573808U CN 203573808 U CN203573808 U CN 203573808U CN 201320683235 U CN201320683235 U CN 201320683235U CN 203573808 U CN203573808 U CN 203573808U
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- 238000004804 winding Methods 0.000 claims abstract description 87
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000011295 pitch Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 7
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
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Abstract
The utility model provides a small-size rotary transformer with matching of 13 stator slots and 16 rotor slots. The transformer mainly comprises a stator and a rotor, wherein the stator is formed by evenly-distributed 13-slot iron cores and sinusoidal-distribution mutually-orthogonal stator windings in an embedded mode, and the rotor is composed of evenly-distributed rotor iron cores and embedded windings with the same pitch and turn number. According to the transformer, the fundamental wave winding coefficient is high, the harmonic winding coefficient is low, the winding type is reasonable, and machine winding processing is facilitated. Rotor windings with the number of 2<n> (1, 2, 4 and 8) pole pairs can be easily achieved, the rotor windings with the number of 3, 5 and 7 pole pairs can be conveniently formed, the pitch of the rotor windings is not changed, the number of turns of elements is not changed, miniaturization is facilitated, and universalization and serialization are achieved.
Description
Technical field
The utility model relates to the angular position sensor technical field of electromagnetic induction principle, particularly, relates to the small size resolver that a kind of stator coordinates with rotor 13/16.
Background technology
In principle, resolver can be included into motor one class, is all to belong to electromagnetic induction principle.But resolver is not as motor and power, torque link together, but as sensory package, output electric signal (accurate relevant with corner two-phase orthogonal just, cosine voltage signal) carry out sensing or take measurement of an angle.Therefore the accuracy of signal is extremely important.In order to improve precision, it is all to realize by several like this aspects conventionally: 1. Precision Machining; 2. select rational stator and rotor groove number to coordinate; 3. adopt special winding form, when guaranteeing fundamental wave winding coefficient, the winding coefficient of Eliminate highter harmonic as far as possible; 4. amplify and improve groove number, to improving air-gap field waveform, reduce harmonic component.
In common design, for realizing the raising of number of pole-pairs, all adopt to amplify and increase teeth groove number and realize.But under the requirement of miniaturization, only rely on that to amplify, increase teeth groove number be not all right.If want, realize multipolarization, difficulty is a lot.In addition, for being suitable for computer technology, it is 2 Nth power (1,2,4,8 that number of pole-pairs is generally needed as ...).Therefore, teeth groove number and winding configuration are selected and are coordinated extremely important.It is improper to select, and can make air-gap field wave distortion very large, and useless harmful harmonic component increases, and electrical error strengthens, precision step-down.Correct selection teeth groove number and winding configuration, not only can make size decreases, and air-gap field fundamental flux is enough large and other subharmonic of injurious effects electrical error is enough little, guarantees precision.In addition, traditional form rolling off the production line with artificial hand can not meet the demands.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide the small size resolver that a kind of stator coordinates with rotor 13/16, so that resolver reaches miniaturization, digitlization and manufacturing automation.
According to an aspect of the present utility model, the small size resolver that provides a kind of stator to coordinate with rotor 13/16, comprise stator and rotor, on described stator, stator slot is set, on described rotor, rotor is set, it is characterized in that, described number of stator slots is 13, evenly be arranged in the inside circumference of stator, described rotor is 16, is evenly arranged in the outer circumference of described rotor.
Preferably, the pitch of the stator winding on described stator is 1, and described epitrochanterian rotor winding is folded formula equal pitch distributed winding.
Preferably, the number of pole-pairs of described rotor winding is 1, and the pitch of described rotor winding is 5.
Preferably, the number of pole-pairs of described rotor winding is 2, and the pitch of described rotor winding is 3.
Preferably, the number of pole-pairs of described rotor winding is 4, and the pitch of described rotor winding is 2.
Preferably, the number of pole-pairs of described rotor winding is 8, and the pitch of described rotor winding is 1.
Compared with prior art, the utlity model has following beneficial effect:
1. fundamental wave winding coefficient is high, harmonic winding factor is low;
2. easily realize the rotor winding of 2 Nth power (1,2,4,8) number of pole-pairs;
Rotor winding while being 3. convenient to form 3,5,7 pairs of utmost points;
4. stator winding pitch is constant, is convenient to machine around processing.
5. rotor winding pitch is constant, and each element equal turn numbers, is convenient to machine around processing.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is the developed winding diagram of rotor winding while being 1 pair of utmost point;
Fig. 2 is the developed winding diagram of rotor winding while being 2 pairs of utmost points;
Fig. 3 is the developed winding diagram of rotor winding while being 4 pairs of utmost points;
Fig. 4 is the developed winding diagram of rotor winding while being 8 pairs of utmost points;
Fig. 5 is the developed winding diagram of rotor winding while being 3 pairs of utmost points;
Fig. 6 is the developed winding diagram of rotor winding while being 5 pairs of utmost points;
Fig. 7 is the developed winding diagram of rotor winding while being 7 pairs of utmost points;
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection range of the present utility model.
The small size resolver that stator of the present utility model coordinates with rotor 13/16 is little support formula, it comprises stator and rotor, stator slot is set on stator, rotor is set on rotor, number of stator slots is 13, evenly be arranged in the inside circumference of stator, rotor is 16, is evenly arranged in the outer circumference of rotor.
Under all numbers of pole-pairs, it is 1 winding configuration that stator winding all adopts pitch, and all winding assemblies are all on some fixing teeth, assembly each other not across, non-intersect.Such pitch and winding configuration, very convenient in machine coiling.The parts number of every phase winding equals groove number (13 elements of every phase), and each element number of turn distributes according to certain rules.The principle that the each element number of turn of winding distributes is: 1. the number of turn of two phase windings in groove distributes and distribute by sinusoidal and cosine rule; 2. 3. each element number of turn difference of two phase winding Orthogonal Symmetrics (differing each other 90 ° of electrical degrees), requires the number of turn of positive and negative counteracting as much as possible little.
Referring to accompanying drawing 1 to 7, rotor winding adopts folded formula equal pitch distributed winding; Different numbers of pole-pairs, has different pitches.Except 8 pairs extremely, during 1,2,4 and 3,5,7 pair of utmost point, all establish orthogonal winding, with better eliminate because of technological factor produce error.
When 1 pair of utmost point, the convenient and harmonic carcellation ability two from the viewpoint of machine coiling, it is 16 o'clock at groove number that winding pitch is taken as 5(, pole span is 8, pitch maximum can be taken as 8 in theory).Orthogonal two phase windings of rotor configuration.
When 2 pairs of utmost points, when winding pitch is taken as 3(2 to the utmost point, pole span is 4, and maximum winding pitch can be taken as 4), orthogonal two phase windings of rotor configuration.Such configuration takes into account the ability that can obtain high winding coefficient and harmonic carcellation.
When 4 pairs of utmost points, when winding pitch is taken as 2(4 to the utmost point, pole span is 2, and it is the same that winding pitch is taken as pole span), orthogonal two phase windings of rotor configuration.Such configuration takes into account the ability that can obtain high winding coefficient and harmonic carcellation.
When 8 pairs of utmost points, it is also 1 that winding pitch is taken as 1(pole span).Rotor is single-phase winding.Winding is simple, convenient; Winding coefficient is large.
1,, when 2,4 pairs of utmost points and 3,5,7 pairs of utmost points, rotor winding is orthogonal two phase windings.One as excitation winding, another phase short circuit.It during 8 pairs of utmost points, is single-phase winding.
Following table provides the basic parameter of rotor winding.
| Number of pole-pairs | 1 | 2 | 4 | 8 | 3 | 5 | 7 |
| Pitch | 5 | 3 | 2 | 1 | 3 | 2 | 1 |
| Fundamental wave winding coefficient | 0.906 | 0.902 | 1.0 | 1.0 | 0.889 | 0.837 | 0.889 |
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (6)
1. the small size resolver that stator coordinates with rotor 13/16, comprise stator and rotor, on described stator, stator slot is set, on described rotor, rotor is set, it is characterized in that, described number of stator slots is 13, is evenly arranged in the inside circumference of stator, described rotor is 16, is evenly arranged in the outer circumference of described rotor.
2. the small size resolver that stator according to claim 1 coordinates with rotor 13/16, is characterized in that, the pitch of the stator winding on described stator is 1, and described epitrochanterian rotor winding is folded formula equal pitch distributed winding.
3. the small size resolver that stator according to claim 2 coordinates with rotor 13/16, is characterized in that, the number of pole-pairs of described rotor winding is 1, and the pitch of described rotor winding is 5.
4. the small size resolver that stator according to claim 2 coordinates with rotor 13/16, is characterized in that, the number of pole-pairs of described rotor winding is 2, and the pitch of described rotor winding is 3.
5. the small size resolver that stator according to claim 2 coordinates with rotor 13/16, is characterized in that, the number of pole-pairs of described rotor winding is 4, and the pitch of described rotor winding is 2.
6. the small size resolver that stator according to claim 2 coordinates with rotor 13/16, is characterized in that, the number of pole-pairs of described rotor winding is 8, and the pitch of described rotor winding is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683235.6U CN203573808U (en) | 2013-10-30 | 2013-10-30 | Small-size rotary transformer with matching of 13 stator slots and 16 rotor slots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683235.6U CN203573808U (en) | 2013-10-30 | 2013-10-30 | Small-size rotary transformer with matching of 13 stator slots and 16 rotor slots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573808U true CN203573808U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683235.6U Expired - Lifetime CN203573808U (en) | 2013-10-30 | 2013-10-30 | Small-size rotary transformer with matching of 13 stator slots and 16 rotor slots |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762065A (en) * | 2013-10-30 | 2014-04-30 | 上海赢双电机有限公司 | Small-size rotary transformer for optimizing tooth socket fit and winding |
-
2013
- 2013-10-30 CN CN201320683235.6U patent/CN203573808U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762065A (en) * | 2013-10-30 | 2014-04-30 | 上海赢双电机有限公司 | Small-size rotary transformer for optimizing tooth socket fit and winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201100 Building 1, 2 and 3, No. 1230, Beiwu Road, Minhang District, Shanghai Patentee after: Shanghai Yingshuang Motor Technology Co.,Ltd. Address before: 200240 Room 6100, 6th Floor, Comprehensive Business Building, No. 951, Jianchuan Road, Minhang District, Shanghai Patentee before: SHANGHAI WIN DOUBLE ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |