CN207052436U - Stator and magnetoresistance transformer - Google Patents
Stator and magnetoresistance transformer Download PDFInfo
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- CN207052436U CN207052436U CN201720348037.2U CN201720348037U CN207052436U CN 207052436 U CN207052436 U CN 207052436U CN 201720348037 U CN201720348037 U CN 201720348037U CN 207052436 U CN207052436 U CN 207052436U
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- stator
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- output winding
- output
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Abstract
The utility model discloses a kind of magnetoresistance transformer and included applied to the stator in the magnetoresistance transformer, stator：Stator core；First output winding, is set around on the stator core；Second output winding, it is set around on the first output winding；Winding is inputted, is set around on the second output winding；First output winding, the second output winding and input are set around component layers, and are followed successively by internal layer, intermediate layer and outer layer.The utility model solves for example the problem of two-phase output winding inductance and output voltage are asymmetric, cause measurement accuracy difference.
Description
Technical field
Electromagnetic sensor technical field is the utility model is related to, more particularly to a kind of stator and reluctance type rotate transformation
Device.
Background technology
Existing magnetoresistance transformer, coil winding machine automatic winding typically is used, in order to facilitate coiling, during coiling,
Coiling input winding, cosine mutually export winding and sinusoidal mutually output winding successively on stator skeleton, that is, input winding most interior
Layer, cosine mutually export winding and export winding in outermost layer in intermediate layer, sinusoidal phase.Under conditions of the equal number of turn, coiling outermost
Enamel-covered wire line length required for layer winding can be much larger than innermost layer and intermediate layer.And the line length of DC resistance and enamel-covered wire is into just
Than that is, cosine mutually exports winding with the sinusoidal winding that mutually exports under conditions of the identical number of turn, the sinusoidal direct current for mutually exporting winding
Resistance will necessarily mutually export winding D.C. resistance much larger than cosine, cause two phase winding output voltages asymmetric, precision is poor.This
Outside, more toward outer layer, more not fine and close between enamel-covered wire, outermost layer can stick out in centre position, oval, cause sinusoidal mutually defeated
Go out winding and winding inductance asymmetry is mutually exported with cosine, precision is poor.
Utility model content
Main purpose of the present utility model is to propose a kind of stator and magnetoresistance transformer, it is intended to solves two-phase output
Winding inductance and output voltage are asymmetric, the problem of causing measurement accuracy difference.
To achieve the above object, it is described fixed applied in magnetoresistance transformer the utility model proposes a kind of stator
Attached bag includes；
Stator core；
First output winding, is set around on the stator core；
Second output winding, it is set around on the first output winding；
Winding is inputted, is set around on the second output winding；First output winding, the second output winding and the input
Set around component layers, and be followed successively by internal layer, intermediate layer and outer layer.
Preferably, the first output winding is identical with the coil turn of the described second output winding.
Preferably, the first output winding is the cosine phase winding of the stator, and the second output winding is described
The sinusoidal phase winding of stator.
Preferably, the first output winding is the sinusoidal phase winding of the stator, and the second output winding is described
The cosine phase winding of stator.
Preferably, the stator core is folded by multiple stator lasminations and formed, and the stator lasmination is silicon steel sheet.
Preferably, the stator core includes：
Core body, the core body is in annular shape；
Stator tooth, multiple stator tooths are uniformly arranged on the inner periphery of the core body, two neighboring described fixed
Stator slot is formed between sub- tooth.
Preferably, the first output winding, the second output winding and the input winding are set around each stator tooth successively
On.
The utility model also proposes a kind of magnetoresistance transformer, and the magnetoresistance transformer is including rotor and such as
Upper described stator, the rotor ring are arranged concentrically in the inner circumferential of the stator with the stator；The stator bag
Include：Stator core；First output winding, is set around on the stator core；Second output winding, it is set around first output
On winding；Winding is inputted, is set around on the second output winding；First output winding, the second output winding and the input
Set around component layers, and be followed successively by internal layer, intermediate layer and outer layer.
The utility model magnetoresistance transformer includes stator, and stator includes stator core, input winding, the first output
Winding and the second output winding, and first exports winding, the second output winding and input winding winding and stator core successively
Internal layer, intermediate layer and outer layer, with shorten coiling first export winding and second output winding required for enamel-cover line length with
Realize that the enamel-covered wire of the first output winding and the second output winding is comparatively dense, spatial symmetry is preferable, so as to ensure that two-phase is defeated
Go out the voltage symmetry of winding output, and ensure that the inductance of two-phase output winding is symmetrical, so as to improve magnetoresistance transformer
Measurement accuracy.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation that the utility model stator is applied to the embodiment of magnetoresistance transformer one；
Fig. 2 is the structural representation of the embodiment of stator one in Fig. 1；
Fig. 3 is the partial enlarged drawing at A in Fig. 2；
Fig. 4 is the electrical block diagram of magnetoresistance transformer in Fig. 1.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Stator core | 11 | Core body |
| S1S3 | First output winding | 12 | Stator tooth |
| S2S4 | Second output winding | R1R3 | Input winding |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
Referring to figs. 1 to Fig. 2, in the embodiment of the utility model one, stator includes stator core 10；First output winding
S1S3, it is set around on the stator core 10；Second output winding S2S4, it is set around on the first output winding S1S3 and inputs
Winding R1R3, it is set around on the second output winding S2S4；The first output winding S1S3, the second output winding S2S4 and
Input winding R1R3 layerings to set, and be followed successively by internal layer, intermediate layer and outer layer.
In the present embodiment, magnetoresistance transformer can be used for the rotational angle or rotational angular velocity of measurement rotating object.
In magnetoresistance transformer, the output equal windings of winding S2S4 of output winding S1S3 and second of winding R1R3 and first are inputted
In on stator core 10, during rotor relative stator rotates, air-gap permeance changes, and often turns over a rotor tooth
Away from, air-gap permeance change a cycle, when rotor rotates one week, air-gap permeance change rotor tooth several cycles.In order to ensure
Two-phase exports winding under conditions of the identical number of turn, and D.C. resistance is approximately equal to cosine and mutually exports winding D.C. resistance, so that two
Mutually output winding output voltage symmetry, and in order to ensure two-phase output winding enamel-covered wire between it is dense so that two-phase
It is symmetrical to export winding inductance, improves precision, the first output winding S1S3 of the present embodiment, is set around on the stator core 10；
Second output winding S2S4, it is set around on the first output winding S1S3 and inputs winding R1R3, be set around second output
On winding S2S4；The first output winding S1S3, the second output winding S2S4 and the R1R3 layerings of input winding are set, and successively
For internal layer, intermediate layer and outer layer.It is arranged such so that the first output winding S1S3, the second output winding S2S4 and input winding
R1R3 is set around on stator core 10, and the first output winding S1S3 and second are exported into winding S2S4 winding and stator successively
On iron core 10, formation coil configuration is uniform, the good internal layer of spatial symmetry and intermediate layer, and winding is exported to shorten coiling first
Enamel-covered wire length difference required for the output windings of S1S3 and second S2S4, in the first output winding S1S3 and the second output winding
In the case that S2S4 DC resistance and the line length of enamel-covered wire are directly proportional, ensure first output winding S1S3 and second output around
Group S2S4 enamel-covered wire is comparatively dense, and spatial symmetry is preferable, so that the first output winding S1S3 enamel-cover line length and second
When exporting winding S2S4 coil turn phase, the enamel-covered wire of two-phase output winding is approximately equal in length, and then realizes the first output
Winding S1S3 and the second output winding S2S4 two-phase output windings voltage and inductance are symmetrical, improve the precision of rotary transformer.
The utility model magnetoresistance transformer includes stator, and stator includes stator core 10, input winding R1R3, the
One output winding S1S3 and the second output winding S2S4, and the first output winding S1S3, the second output winding S2S4 and input
Internal layer, intermediate layer and the outer layer of winding R1R3 winding and stator core 10 successively, with shorten coiling first export winding S1S3 and
Enamel-cover line length required for second output winding S2S4 is to realize the output windings of the first output winding S1S3 and second S2S4's
Enamel-covered wire is comparatively dense, and spatial symmetry is preferable, so as to ensure the voltage symmetry of two-phase output winding output, and ensures that two-phase is defeated
Go out that the inductance of winding is symmetrical, so as to improve the measurement accuracy of magnetoresistance transformer.
Further, the first output winding S1S3 is the cosine phase winding of the stator, and described second exports winding
S2S4 is the sinusoidal phase winding of the stator.Or the sinusoidal phase winding that the first output winding S1S3 is the stator, institute
State the cosine phase winding that the second output winding S2S4 is the stator.
In the present embodiment, sine output winding and cosine output winding produce sinusoidal signal and cosine signal respectively, through solution
The angular position of rotation information of rotor is would know that after calculation.Will input winding R1R3, sinusoidal phase winding and the installation of cosine phase winding by
When interior to outer order is set around on stator core 10, sinusoidal phase winding or cosine phase winding are first set around internal layer, then will
Cosine phase winding or sinusoidal phase winding are set around intermediate layer, then output winding is set around into outermost layer, are arranged such, can be effective
Reduce cosine and mutually export winding and the sinusoidal difference for mutually exporting winding D.C. resistance, strengthen cosine and mutually export winding and sinusoidal phase
The symmetry of winding distributing position is exported, so as to improve the measurement accuracy of magnetoresistance transformer.
In a preferred embodiment, stator core 10 is folded by multiple stator lasminations and formed, and stator lasmination is silicon steel sheet, silicon
Steel disc is a kind of carbon containing extremely low silicon-iron soft magnetic alloy, has higher resistivity and magnetic conductivity, advantageously reduce coercivity and
Iron loss, improve the performance of VR Two Speed Resolver.
In a preferred embodiment, stator core 10 includes core body 11 and stator tooth 12, and core body 11 is in annulus
Shape, multiple stator tooths 12 are uniformly arranged on the inner periphery of core body 11, and stator slot is formed between adjacent two stator tooth 12.Just
String exports winding and the number of turn of cosine output winding is changed by sine and cosine rule, and input winding R1R3, it is sinusoidal export winding and
Cosine exports axial direction of the winding along stator core 10 and is layered setting from the inside to the outside, to optimize the distribution in magnetic field, and to determine
The terminal with compact integral structure of son understands, facilitates offline.
Further, winding R1R3, sinusoidal output winding and cosine are inputted and exports winding rotating around located at same stator
On tooth 12, to ensure that sinusoidal output winding and cosine export the spatial symmetry of winding.
In a preferred embodiment, the magnetoresistance transformer also includes rotor, and the rotor ring is located at described fixed
In the inner circumferential of son, and it is arranged concentrically with the stator.
In the present embodiment, rotor (not shown) is arranged concentrically to be had in the inner side of circular stator, the outer rim of rotor core
There is rotor tooth, the inner edge of stator core 10 has stator tooth 12, and the rotation of rotor relative stator causes the change of air-gap field, entered
And cause the change for exporting the induced potential on winding.
The utility model also proposes a kind of magnetoresistance transformer, and the magnetoresistance transformer is including rotor and as above
Described stator, the rotor ring are arranged concentrically in the inner circumferential of the stator with the stator.The specific knot of the stator
Structure is with reference to above-described embodiment, because this magnetoresistance transformer employs whole technical sides of all embodiments of said stator
Case, therefore all beneficial effects at least caused by the technical scheme with said stator embodiment, this is no longer going to repeat them.
In the present embodiment, rotor (not shown) is arranged concentrically to be had in the inner side of circular stator, the outer rim of rotor core
There is rotor tooth, the inner edge of stator core has stator tooth, and the rotation of rotor relative stator causes the change of air-gap field, and then leads
Cause the change of the induced potential on output winding.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of stator, applied in magnetoresistance transformer, it is characterised in that the stator includes：Stator core；
First output winding, is set around on the stator core；
Second output winding, it is set around on the first output winding；
Winding is inputted, is set around on the second output winding；First output winding, the second output winding and the input winding
Layering is set, and is followed successively by internal layer, intermediate layer and outer layer.
2. stator as claimed in claim 1, it is characterised in that the line of the first output winding and the second output winding
It is identical to enclose the number of turn.
3. stator as claimed in claim 1, it is characterised in that it is described first output winding for the stator cosine mutually around
Group, the second output winding are the sinusoidal phase winding of the stator.
4. stator as claimed in claim 1, it is characterised in that the first output winding for the stator it is sinusoidal mutually around
Group, the second output winding are the cosine phase winding of the stator.
5. stator as claimed in claim 1, it is characterised in that the stator core is folded by multiple stator lasminations and formed, institute
It is silicon steel sheet to state stator lasmination.
6. stator as claimed in claim 5, it is characterised in that the stator core includes：
Core body, the core body is in annular shape；
Stator tooth, multiple stator tooths are uniformly arranged on the inner periphery of the core body, the two neighboring stator tooth
Between form stator slot.
7. stator as claimed in claim 6, it is characterised in that it is described first output winding, second output winding and input around
Group is set around on each stator tooth successively.
8. a kind of magnetoresistance transformer, it is characterised in that the magnetoresistance transformer includes rotor and as right will
The stator described in 1 to 7 any one is sought, the rotor ring is arranged concentrically in the inner circumferential of the stator with the stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348037.2U CN207052436U (en) | 2017-04-01 | 2017-04-01 | Stator and magnetoresistance transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348037.2U CN207052436U (en) | 2017-04-01 | 2017-04-01 | Stator and magnetoresistance transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052436U true CN207052436U (en) | 2018-02-27 |
Family
ID=61489798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720348037.2U Active CN207052436U (en) | 2017-04-01 | 2017-04-01 | Stator and magnetoresistance transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599525A (en) * | 2018-04-25 | 2018-09-28 | 卧龙电气集团股份有限公司 | A kind of single-pole brushless rotary transformer equipment |
-
2017
- 2017-04-01 CN CN201720348037.2U patent/CN207052436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599525A (en) * | 2018-04-25 | 2018-09-28 | 卧龙电气集团股份有限公司 | A kind of single-pole brushless rotary transformer equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210512 Address after: Room 203, 2nd floor, building 8, Micro Motor Research Institute, No.2 Taoyuan West Road, Lianhu District, Xi'an City, Shaanxi Province, 710000 Patentee after: Xi'an West Micro Intelligent Technology Co.,Ltd. Address before: 518100 Zhengde Science Park, 8 Kangming Road, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CITY DEXI ELECTROMECHANICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230203 Address after: 518100 Zhengde Science Park, 8 Kangming Road, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN CITY DEXI ELECTROMECHANICAL CO.,LTD. Address before: Room 203, 2nd floor, building 8, Micro Motor Research Institute, No.2 Taoyuan West Road, Lianhu District, Xi'an City, Shaanxi Province, 710000 Patentee before: Xi'an West Micro Intelligent Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |