CN109698594A - The linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor - Google Patents
The linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor Download PDFInfo
- Publication number
- CN109698594A CN109698594A CN201910108778.7A CN201910108778A CN109698594A CN 109698594 A CN109698594 A CN 109698594A CN 201910108778 A CN201910108778 A CN 201910108778A CN 109698594 A CN109698594 A CN 109698594A
- Authority
- CN
- China
- Prior art keywords
- rotor
- magnetic
- pole
- magnetic circuit
- wave
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K24/00—Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers
Abstract
The invention discloses a kind of linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor, the rotary transformer includes that stator, rotor, first coil A-X and the second coil B-Y, the rotor are made of non-magnetic backing material；There are several pairs of permeability magnetic material straight line half-wave wavestrips as pole magnetic circuit along its circumferencial direction is evenly distributed on the surfaces externally and internally of the non-magnetic backing material.Rotor half-sinusoid axial magnetic circuit magnetoresistance transformer of the invention is a kind of multipole magnetoresistance transformer of rotor magnetic conduction wavestrip indention shape, compared with all-wave sinusoid-shaped rotor magnetic conduction wavestrip magnetoresistance transformer, rotor is using half of straight waveguide tape as a pair of of pole magnetic circuit, rotor space can be saved for the rotation of multipair pole reluctance type becomes in this way, can be disposed in the confined space more to pole rotor magnetic pole.
Description
Technical field
The invention belongs to rotary transformer technology field, it is related to a kind of using rotor straight line half-wave magnetic conducting band magnetic structure
Axial magnetic circuit magnetoresistance transformer.
Background technique
The rotor structure of existing axial magnetic circuit reluctance type rotation transformer is all-wave sinusoidal structured, leads to rotor volume
It is excessive, it influences entirely to revolve the shared geometric space of change.
Summary of the invention
In order to solve the linear all-wave axial magnetic circuit magnetoresistance transformer complex structure and other problems of existing axial magnetic circuit, this
Invention provides a kind of linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor.The transformer can save same pole
The rotary transformer space of logarithm.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor, including stator, rotor, first coil A-
X and the second coil B-Y, in which:
The rotor is made of non-magnetic backing material；
On the surfaces externally and internally of the non-magnetic backing material along its circumferencial direction it is evenly distributed have several pairs be used as pole magnetic circuits
Permeability magnetic material straight line half-wave wavestrip.
Compared with the prior art, the present invention has the advantage that
1, rotor half-sinusoid axial magnetic circuit magnetoresistance transformer of the invention is a kind of rotor magnetic conduction wavestrip in saw
The multipole magnetoresistance transformer of odontoid, compared with all-wave sinusoid-shaped rotor magnetic conduction wavestrip magnetoresistance transformer, rotor
Using half of straight waveguide tape as a pair of of pole magnetic circuit, rotor sky can be saved for the rotation of multipair pole reluctance type becomes in this way
Between, it can dispose in the confined space more to pole rotor magnetic pole.
2, rotary transformer of the invention has the characteristics that following two: one, field winding, signal winding orthogonal setting can
To control the stationary component of rest potential as far as possible；Two, the suitable linear magnetic conduction construction of rotor can guarantee air-gap flux just
String variation, and then guarantee two-phase orthogonal signal winding induced potential just, varies with cosine requirement.
3, when field winding of the invention passes to constant pressure alternating current, sine windings and cosine winding export electromotive force width respectively
Value makees the voltage of once sinusoidal and varies with cosine with angle of rotor.Simultaneously because of the particularity of its structure, so that constant potential component
Reduce.The brings error such as setting-up eccentricity can be eliminated to the maximum extent simultaneously.
4, rotary transformer of the invention can increase substantially craftsmanship using line rotor wavestrip, add convenient for batch
Work, it is more easy to process than sinusoid-shaped rotor.
Detailed description of the invention
Fig. 1 is rotor plan view；
Fig. 2 is rotor structure expanded view；
Fig. 3 is stator shaft orientation sectional view；
Fig. 4 is stator excitation winding；
Fig. 5 is stator-rotor iron core size correlation.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawing, and however, it is not limited to this, all to this
Inventive technique scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered
Within the protection scope of the present invention.
The present invention provides a kind of rotor half-sinusoid axial magnetic circuit VR Two Speed Resolvers, as shown in Figure 1, institute
Stating rotary transformer includes stator 1, rotor 2, first coil A-X, the second coil B-Y, in which:
Air gap, the processing of air gap uniform, fine are equipped between the outer surface of the rotor 2 and the inner surface of stator 1.
The smooth outer surface of the rotor 2, as shown in Fig. 2, it is by permeability magnetic material straight line half-wave wavestrip 2-2 and non-magnetic branch
Timbering material 2-1 (can be aluminium alloy etc.) is constituted；The rotor is made of non-magnetic backing material 2-1；The non-magnetic support
There are four pairs of permeability magnetic material straight line half-wave wavestrips as pole magnetic circuit along its circumferencial direction is evenly distributed on the surfaces externally and internally of material 2-1
2-2, the starting point of each pair of pole of half-wave magnetic conducting band and end point are point-blank.Unlike becoming from previous this kind of structure rotation, this hair
It is bright that sawtooth waveform is formed using straight line.
The stator 1 is assembled by three pieces of iron cores, and axial view is as shown in Figure 3.Rotor overall plan view such as Fig. 1 institute
Show.H1 points are three sections: first segment H2, second segment H3 and third section H4 on the iron core axial direction；The first segment H2 and
The structure of two sections of H3 is identical, and the inner surface of first segment H2 and second segment H3 are provided with multiple through slot 1-2, and adjacent two along axial direction
Double wedge 1-1 is equipped between a through slot 1-2, the double wedge 1-1 is evenly distributed along inner surface circumferencial direction, and number is 4N, the choosing of N
Selecting can be arbitrary, and specific choice scheme is determined according to winding technique.Be wrapped respectively on H2 and H3 orthogonal signalling around
The coil of group A phase and B phase, it may be assumed that first coil A-X and the second coil B-Y.2N first coil A-X constitutes a pair of of pole structure, N
N number of first coil A-X forward direction series connection under extremely；S extremely under N number of coil forward direction series connection.H4 is the iron core that ring-shaped silicon steel sheet is built up,
Annular field winding F1 and F2 are placed in its gap with H2, H3, as shown in Figure 4.Annular field winding and orthogonal signalling winding
Orthohormbic structure is constituted, the stationary component that can weaken as far as possible bigly in potential waveform is done so.In the present invention, stator can also be by just
Signal winding is handed over to constitute, field winding is annular concentratred winding, and orthogonal signalling winding is high-precision sine windings, so as to maximum journey
Spend harmonic carcellation.
Shown in Fig. 5, stator core is made of upper, middle and lower segment, dOn、dIn、dUnderFor three iron leg core thickness, R is rotor half
Diameter, β are the oblique ring maximum subtended angle of rotor magnetic conduction, lrFor rotor wavestrip thickness, lsFor lower tooth silicon steel sheet thickness on stator.
In the structure of magnetoresistance transformer it can be seen that the coupling area of rotor and one tooth of stator be rotor simultaneously
With the sum of the coupling area of the upper and lower tooth of stator.Assuming that at a time the coupling area of rotor and tooth on stator is SOn, with stator
The coupling area of lower tooth is SUnder, then it is S=S with the total coupling area of one tooth of statorOn+SUnder.Ramp type reluctance type rotation becomes
Depressor is a pair of of pole, and Machine cycle is equal to the electric period, and rotor often turns over a Machine cycle, coupling area S cyclically-varying
Once.Therefore, it is suitably set coordinate system, it will be able to which when guaranteeing a Machine cycle of rotor rotation, coupling area S will be according to
Cosine rule cyclically-varying is primary.
Coupling area between stator and rotor can be expressed as following formula, close with angle of rotor at stringent cosine function
System:
In formula: S- stator-rotor iron core coupling area, K- coupling area maximum value, θ-rotor turn over angle, ZSStator tooth
Number.
Air-gap permeance varying type under each stator tooth is easy to get by analysis above are as follows:
In formula: ΛiAir-gap permeance, S- coupling area, δ-gas length, C- unit permeance.
Magnetizing flux under each stator tooth are as follows:
In formula: φiMagnetizing flux under stator tooth, C2Magnetizing flux amplitude under stator tooth.
Since stator field winding is an equal circles concentratred winding being embedded in stator or more, when the excitation electricity of input
When pressure does not change, excitation magnetomotive force will not change.According to the connection type that the circles such as sine and cosine winding use are concentrated, can calculate
The magnetic linkage of sine and cosine winding difference linkage out are as follows:
In formula: ψsSine windings magnetic linkage, ψcCosine winding magnetic linkage, N2-Field winding the number of turns.
Formula (3) is brought into formula (4) to obtain by certain abbreviation:
Then the output potential of orthogonal signalling winding can indicate are as follows:
In formula: esSinusoidal induced potential, ecCosine induced potential, emThe instantaneous maximum value of induced potential.
The amplitude of orthogonal signalling winding can indicate are as follows:
In formula: ESSinusoidal induced potential amplitude, ECCosine induced potential amplitude.
Claims (2)
1. a kind of linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor, including stator, rotor, first coil A-X
With the second coil B-Y, it is characterised in that the rotor is made of non-magnetic backing material；The non-magnetic backing material it is inside and outside
There are several pairs of permeability magnetic material straight line half-wave wavestrips as pole magnetic circuit along its circumferencial direction is evenly distributed on surface.
2. the linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor according to claim 1, it is characterised in that
The starting point of each pair of pole of the permeability magnetic material straight line half-wave wavestrip and end point are point-blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108778.7A CN109698594B (en) | 2019-02-03 | 2019-02-03 | Rotor linear half-wave axial magnetic circuit reluctance type multi-pole rotary transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108778.7A CN109698594B (en) | 2019-02-03 | 2019-02-03 | Rotor linear half-wave axial magnetic circuit reluctance type multi-pole rotary transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109698594A true CN109698594A (en) | 2019-04-30 |
| CN109698594B CN109698594B (en) | 2020-11-24 |
Family
ID=66233312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910108778.7A Active CN109698594B (en) | 2019-02-03 | 2019-02-03 | Rotor linear half-wave axial magnetic circuit reluctance type multi-pole rotary transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109698594B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289571A (en) * | 2020-10-19 | 2021-01-29 | 哈尔滨工业大学 | Rotor linear half-wave axial magnetic circuit reluctance type rotary transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028351A1 (en) * | 2002-04-16 | 2005-02-10 | Delphi Technologies, Inc. | Sinterbonded electric machine components |
| JP2009027904A (en) * | 2007-06-19 | 2009-02-05 | Hitachi Ltd | Rotating electrical machine |
| CN101425372A (en) * | 2008-08-08 | 2009-05-06 | 哈尔滨工业大学 | Slope magnetic conduction construction rotor and magneto resistance type monopole rotary transformer using the rotor |
| CN102034596A (en) * | 2010-11-17 | 2011-04-27 | 哈尔滨工业大学 | Axial magnetic path multi-pole pair reluctance type rotary transformer |
| CN204615602U (en) * | 2015-04-29 | 2015-09-02 | 江苏大学 | Electric automobile drives with fault tolerant type four phase switch reluctance motor |
| CN109149800A (en) * | 2018-08-31 | 2019-01-04 | 南京埃克锐特机电科技有限公司 | A kind of pole 9n/10n on-off reluctance motor with sectional rotor |
-
2019
- 2019-02-03 CN CN201910108778.7A patent/CN109698594B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028351A1 (en) * | 2002-04-16 | 2005-02-10 | Delphi Technologies, Inc. | Sinterbonded electric machine components |
| JP2009027904A (en) * | 2007-06-19 | 2009-02-05 | Hitachi Ltd | Rotating electrical machine |
| CN101425372A (en) * | 2008-08-08 | 2009-05-06 | 哈尔滨工业大学 | Slope magnetic conduction construction rotor and magneto resistance type monopole rotary transformer using the rotor |
| CN102034596A (en) * | 2010-11-17 | 2011-04-27 | 哈尔滨工业大学 | Axial magnetic path multi-pole pair reluctance type rotary transformer |
| CN204615602U (en) * | 2015-04-29 | 2015-09-02 | 江苏大学 | Electric automobile drives with fault tolerant type four phase switch reluctance motor |
| CN109149800A (en) * | 2018-08-31 | 2019-01-04 | 南京埃克锐特机电科技有限公司 | A kind of pole 9n/10n on-off reluctance motor with sectional rotor |
Non-Patent Citations (1)
| Title |
|---|
| 尚静 等: "轴向磁场单对极旋转变压器变磁阻原理分析", 《哈尔滨工业大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289571A (en) * | 2020-10-19 | 2021-01-29 | 哈尔滨工业大学 | Rotor linear half-wave axial magnetic circuit reluctance type rotary transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109698594B (en) | 2020-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102034596B (en) | Axial magnetic path multi-pole pair reluctance type rotary transformer | |
| CN102723185B (en) | Double-channel axial magnetic circuit reluctance type rotary transformer | |
| CN108369112B (en) | Rotation angle detection device and rotating electrical machine | |
| CN102664095B (en) | Double-stator double-channel axial magnetic circuit reluctance type rotary transformer | |
| WO2014044043A1 (en) | Brushless linear rotary transformer | |
| CN103413666A (en) | Common excitation coarse-fine coupling radial magnetic resistance type rotary transformer | |
| KR101964371B1 (en) | Resolver and manufacturing manufacturing method thereof | |
| CN103376053A (en) | Resolver | |
| CN109698594A (en) | The linear half-wave axial magnetic circuit VR Two Speed Resolver of rotor | |
| CN102664097B (en) | Double-channel axial magnetic circuit outer rotor reluctance type rotary transformer | |
| CN109617354A (en) | Rotor half-sinusoid axial magnetic circuit VR Two Speed Resolver | |
| CN110767429B (en) | Reluctance type rotary transformer capable of high-speed operation | |
| CN104200975A (en) | Radial magnetic-circuit rotary transformer with single-layer signal windings and signal winding reeling method | |
| JPH08178610A (en) | Variable reluctance type angle detector | |
| CN104200972B (en) | The coarse-fine coupling radial magnetic circuit rotary transformer of harmonic wave eliminating and signal winding method for winding | |
| US2466690A (en) | Variable inductor | |
| JP2004333481A (en) | Resolver device and angle position detection device | |
| CN210896953U (en) | Annular transformer type brushless rotary transformer sensor | |
| CN104200976A (en) | Harmonic-wave eliminating type axial magnetic circuit monopolar rotary transformer and winding method of signal windings | |
| EP3205985A1 (en) | Stator used in resolvers, and resolver including same | |
| CN104200971B (en) | The coarse-fine coupling radial magnetic circuit rotary transformer of compression and signal winding method for winding | |
| WO1982001252A1 (en) | D.c.generator type non-contact speed sensing device | |
| CN117153545A (en) | Double-channel radial reluctance type rotary transformer with double-ripple rotor and mechanical equipment | |
| CN104200969A (en) | Single-layer signal winding axial magnetic path multi-polar resolver and coil winding method | |
| CN104200970A (en) | Compression type coarse and fine coupling axial magnetic circuit rotary transformer and signal winding wire-wrapping method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |