CN204517605U - Double-stator magneto resistance formula angle level sensor - Google Patents
Double-stator magneto resistance formula angle level sensor Download PDFInfo
- Publication number
- CN204517605U CN204517605U CN201520157597.0U CN201520157597U CN204517605U CN 204517605 U CN204517605 U CN 204517605U CN 201520157597 U CN201520157597 U CN 201520157597U CN 204517605 U CN204517605 U CN 204517605U
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- level sensor
- internal
- double
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of double-stator magneto resistance formula angle level sensor, comprise internal stator and rotor, the first sinusoidal air gap is provided with between internal stator and rotor, also comprise the external stator being arranged on rotor exterior, the second sinusoidal air gap is provided with, the external rotor portion that described rotor comprises magnetism-isolating loop, is arranged at the internal rotor portion on magnetism-isolating loop inwall and is arranged on magnetism-isolating loop outer wall between external stator and rotor.Double-stator magneto resistance formula angle of the present utility model level sensor, owing to having inside and outside two cover stator and rotor combinations, be highly suitable for bimorph transducer servo drive motor system, can simplied system structure greatly, increase the useful space of motor, have that structure is simple, high reliability.By changing the number of teeth of rotor, internal stator and external stator, the angle level sensor that number of pole-pairs is 1 to 8 can be obtained, be suitable for the servo electrical machinery system of different number of pole-pairs, also there is advantage easy for installation, to be applicable to batch machining production.
Description
Technical field
The utility model relates to a kind of reluctance type angle level sensor, particularly relates to double-stator magneto resistance formula angle level sensor.
Background technology
Because Double-stator motor can make full use of the inner space of motor, compare traditional single stators and rotators motor, actual size and the weight of motor can be reduced to a great extent, not only drastically increase power density and the torque density of motor, reduce cost, and inside and outside motor has independently stator winding, both can series operation also can isolated operation, by reasonably switching the connected mode of inside and outside stator winding, motor can be made to meet the performance requirement of electric automobile low speed high torque and the little torque of high speed well.Be widely used in hybrid power system, wind generator system and high thrust, high reliability drive system field.Inherently very complicated for internal structure dual-stator brushless DC motor, whole electric system then can be made more complicated as two angle level sensors need be installed again, give design, manufacture, install and maintenance brings very large difficulty.
Summary of the invention
The utility model is intended to solve above-mentioned mentioned technical problem, provides a kind of double-stator magneto resistance formula angle level sensor being mainly used in bimorph transducer servo drive motor rotor-position and detecting.
The utility model is realized by following technical scheme:
Double-stator magneto resistance formula angle level sensor, comprise internal stator and rotor, the first sinusoidal air gap is provided with between internal stator and rotor, also comprise the external stator being arranged on rotor exterior, the second sinusoidal air gap is provided with, the external rotor portion that described rotor comprises magnetism-isolating loop, is arranged at the internal rotor portion on magnetism-isolating loop inwall and is arranged on magnetism-isolating loop outer wall between external stator and rotor.
Preferably, the both sides of described magnetism-isolating loop are provided with restriction internal rotor portion and external rotor portion groove in relative rotation, and external rotor portion and internal rotor portion are provided with the raised line with fit depressions.
Preferably, uniformly on described internal stator excircle be provided with several the first stator tooths, first stator tooth is provided with First Line ring framework, First Line ring framework is provided with the first field winding, the below of the first field winding is provided with the first cosine and exports winding or first and sinusoidally export winding, and the first cosine exports winding and the first sine and exports winding and be separated by and arrange; The inner periphery of external stator is provided with several and the first stator tooth the second stator tooth one to one, second stator tooth is provided with the second coil rack, second coil rack is provided with the second field winding, the below of the second field winding is provided with the second cosine and exports winding or second and sinusoidally export winding, and the second cosine exports winding and the second sine and exports winding and be separated by and arrange.
Preferably, the number of described first stator tooth is even number, and is more than or equal to 4.
Preferably, the Internal periphery of described rotor and outline are all in eccentric round shape, and outline increases with the offset increase of Internal periphery and reduces with the offset minimizing of Internal periphery.
Preferably, the Internal periphery of described rotor is provided with the first projection of some uniform settings, the outline of rotor is provided with the second projection of some uniform settings, first cross section that is protruding and the second projection all extends in arc-shaped and along the axis direction of rotor, second protruding correspondence first is protruding to be arranged, and the thickness of the second projection increases with the thickness increase of the first projection and reduces with the thickness minimizing of the first projection.
Preferably, also comprise the interior steel bushing of fixing internal stator and the outer steel sleeve of fixing external stator, interior steel bushing is fixedly connected with outer steel sleeve.
Preferably, described interior steel bushing and outer steel sleeve are formed in one.
Preferably, the minimum widith scope of described first sinusoidal air gap or the second sinusoidal air gap is between 0.1 ~ 1mm.
Beneficial effect is: compared with prior art, the rotor of double-stator magneto resistance formula angle of the present utility model level sensor is made up of magnetism-isolating loop, internal rotor portion and external rotor portion, internal rotor portion and external rotor portion combine the structure that greatly can simplify bimorph transducer servo drive motor system with internal stator and external stator respectively, increase the useful space of motor to improve power output; Double-stator magneto resistance formula angle of the present utility model level sensor numbers of pole-pairs desirable 1,2,3,4 etc., directly can be applicable to the motor driven systems of multiple number of pole-pairs, simplify control system; The rotor rotated due to it does not need to arrange winding, is only made up of iron core, has that structure is simple, high reliability; The winding type of internal stator and external stator is simple, and on the First Line ring framework that directly can be wound on insulation or the second coil rack, makes processing and manufacturing simple, be very applicable to batch machining.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the cutaway view of double-stator magneto resistance formula angle of the present utility model level sensor.
Embodiment
Double-stator magneto resistance formula angle level sensor as shown in Figure 1, comprises internal stator 2, rotor and external stator 8, is provided with the first sinusoidal air gap 3 between internal stator 2 and rotor, is provided with the second sinusoidal air gap 7 between external stator 8 and rotor.The external rotor portion 6 that rotor comprises magnetism-isolating loop 5, is arranged at the internal rotor portion 4 on magnetism-isolating loop 5 inwall and is arranged on magnetism-isolating loop 5 outer wall.The Main Function of magnetism-isolating loop 5 is that the magnetic field to the first field winding 17 and the second field winding 12 produce is separated, and avoids both to influence each other, to improve the accuracy of detection of double-stator magneto resistance formula angle of the present utility model level sensor.The both sides of magnetism-isolating loop 5 are provided with restriction internal rotor portion 4 and external rotor portion 6 groove in relative rotation, external rotor portion 6 and internal rotor portion 4 are provided with the raised line 22 with fit depressions, by coordinating of raised line 22 and groove, the relative position in internal rotor portion 4 and external rotor portion 6 can be fixed.Above-mentioned setting, is the equal of be provided with inside and outside two cover stator and rotor combinations, greatly simplifies the structure of bimorph transducer servo drive motor system, the useful space increasing motor to improve power output, have structure simply, high reliability.In addition, inside and outside two cover stator and rotor combinations also can use as required alone or in combination, have the advantages that applicability is wide.
Particularly, iron core is provided with in internal stator 2, uniformly on internal stator 2 excircle be provided with several the first stator tooths 15, the number of teeth of the first stator tooth 15 can be 4, also can be the even numbers such as 6,8,10,12, but the number of teeth of the first stator tooth 15 is more than or equal to 4, first stator tooth 15 is provided with First Line ring framework 16, First Line ring framework 16 is provided with the first field winding 17, the below of the first field winding 17 is provided with the first cosine and exports winding 18 or the first sinusoidal winding 19, first cosine that exports exports winding 18 and the first sine and exports winding 19 and be separated by and arrange; Uniformly on external stator 8 inner periphery be provided with several the second stator tooths 11, and the second stator tooth 11 and the first stator tooth 15 one_to_one corresponding, second stator tooth 11 is provided with the second coil rack 10, second coil rack 10 is provided with the second field winding 12, the below of the second field winding 12 is provided with the second cosine and exports winding 13 or the second sinusoidal winding 14, second cosine that exports exports winding 13 and the second sine and exports winding 14 and be separated by and arrange.
First stator tooth 15 can be rectangular teeth or round-arced tooth.When the first stator tooth 15 is rectangular teeth, First Line ring framework 16 can be monolithic construction; When the first stator tooth 15 is round-arced tooth, First Line ring framework 16 correspondingly can be arranged to split-type structural so that cover installs on the first stator tooth 15.
First sinusoidal air gap 3 and the second sinusoidal air gap 7 preferably adopt non-uniform gap, and the minimum widith scope of the sinusoidal air gap 7 of the first sinusoidal air gap 3 or the second is at 0.1 ~ 1mm.
First sinusoidal air gap 3 and the second sinusoidal air gap 7 are non-uniform gap, when number of pole-pairs is 1, the quantity of the first stator tooth 15 be more than or equal to 4 even number, correspondingly, the even number of quantity also for being more than or equal to 4 of the second stator tooth 11, the Internal periphery of rotor and outline are all in eccentric round shape, and outline increases with the offset increase of Internal periphery and reduces, to reduce the detection electrical error of null position of inside and outside two cover stator and rotor combinations with the offset minimizing of Internal periphery.And when number of pole-pairs is greater than 1, also being number of pole-pairs is 2, 3, 4, 5, 6, during 8 grade, the quantity of the first stator tooth 15 be greater than 4 even number, the Internal periphery of rotor is provided with the first projection 20 of some uniform settings, the outline of rotor is provided with the second projection 21 of some uniform settings, the cross section of the first protruding 20 and second projection 21 all extends in arc-shaped and along the axis direction of rotor, second protruding 21 corresponding first protruding 20 is arranged, and the thickness of the second projection 21 increases with the thickness increase of the first projection 20 and reduces with the thickness minimizing of the first projection 20, fixed to reduce inside and outside two covers, the detection electrical error of null position of rotor combination.
Also comprise interior steel bushing 1 and outer steel sleeve 9 in the present embodiment, interior steel bushing 1 is for fixing internal stator 2, and outer steel sleeve 9 is for fixing external stator 8, and interior steel bushing 1 is fixedly connected with outer steel sleeve 9.Interior steel bushing 1 and outer steel sleeve 9 also can be one-body molded.
Above embodiment is only not limited in order to the technical solution of the utility model to be described, all do not depart from the utility model spirit and scope any amendment or equivalently to replace, it all should be encompassed in the scope of technical solutions of the utility model.
Claims (9)
1. double-stator magneto resistance formula angle level sensor, comprise internal stator (2) and rotor, the first sinusoidal air gap (3) is provided with between internal stator (2) and rotor, it is characterized in that, also comprise the external stator (8) being arranged on rotor exterior, the second sinusoidal air gap (7) is provided with, the external rotor portion (6) that described rotor comprises magnetism-isolating loop (5), is arranged at the internal rotor portion (4) on magnetism-isolating loop (5) inwall and is arranged on magnetism-isolating loop (5) outer wall between external stator (8) and rotor.
2. double-stator magneto resistance formula angle according to claim 1 level sensor, it is characterized in that, the both sides of described magnetism-isolating loop (5) are provided with restriction internal rotor portion (4) and external rotor portion (6) groove in relative rotation, and external rotor portion (6) and internal rotor portion (4) are provided with and the raised line of fit depressions (22).
3. double-stator magneto resistance formula angle according to claim 1 level sensor, it is characterized in that, uniformly on described internal stator (2) excircle be provided with several the first stator tooths (15), first stator tooth (15) is provided with First Line ring framework (16), First Line ring framework (16) is provided with the first field winding (17), the below of the first field winding (17) is provided with the first cosine and exports winding (18) or first and sinusoidally export winding (19), and the first cosine exports winding (18) and is separated by arranges with the first sinusoidal winding (19) that exports; The inner periphery of external stator (8) is provided with several and the first stator tooth (15) the second stator tooth (11) one to one, second stator tooth (11) is provided with the second coil rack (10), second coil rack (10) is provided with the second field winding (12), the below of the second field winding (12) is provided with the second cosine and exports winding (13) or second and sinusoidally export winding (14), and the second cosine exports winding (13) and is separated by arranges with the second sinusoidal winding (14) that exports.
4. double-stator magneto resistance formula angle according to claim 3 level sensor, is characterized in that, the number of described first stator tooth (15) is even number, and is more than or equal to 4.
5. double-stator magneto resistance formula angle according to claim 1 level sensor, it is characterized in that, the Internal periphery of described rotor and outline are all in eccentric round shape, and outline increases with the offset increase of Internal periphery and reduces with the offset minimizing of Internal periphery.
6. double-stator magneto resistance formula angle according to claim 1 level sensor, it is characterized in that, the Internal periphery of described rotor is provided with first projection (20) of some uniform settings, the outline of rotor is provided with second projection (21) of some uniform settings, the cross section of the first projection (20) and the second projection (21) all extends in arc-shaped and along the axis direction of rotor, corresponding first projection (20) of second projection (21) is arranged, and the thickness of the second projection (21) increases with the thickness increase of the first projection (20) and reduces with the thickness minimizing of the first projection (20).
7. double-stator magneto resistance formula angle according to claim 1 level sensor, is characterized in that, also comprise the interior steel bushing (1) of fixing internal stator (2) and the outer steel sleeve (9) of fixing external stator (8), interior steel bushing (1) is fixedly connected with outer steel sleeve (9).
8. double-stator magneto resistance formula angle according to claim 7 level sensor, is characterized in that, described interior steel bushing (1) and outer steel sleeve (9) are formed in one.
9. double-stator magneto resistance formula angle according to claim 1 level sensor, is characterized in that, the minimum widith scope of described first sinusoidal air gap (3) or the second sinusoidal air gap (7) is between 0.1 ~ 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157597.0U CN204517605U (en) | 2015-03-19 | 2015-03-19 | Double-stator magneto resistance formula angle level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157597.0U CN204517605U (en) | 2015-03-19 | 2015-03-19 | Double-stator magneto resistance formula angle level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517605U true CN204517605U (en) | 2015-07-29 |
Family
ID=53715535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520157597.0U Active CN204517605U (en) | 2015-03-19 | 2015-03-19 | Double-stator magneto resistance formula angle level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517605U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734440A (en) * | 2015-03-19 | 2015-06-24 | 江门职业技术学院 | Double-stator magnetic resistance type angle sensor |
| CN105890514A (en) * | 2015-02-16 | 2016-08-24 | 罗伯特·博世有限公司 | Sensor device for obtaining corner angle of rotating component of vehicle |
| WO2018042226A1 (en) * | 2016-08-31 | 2018-03-08 | Munjeri Tawanda | Electric generator and electric power generation system |
| CN108886312A (en) * | 2016-04-26 | 2018-11-23 | Abb瑞士股份有限公司 | Bimorph transducer rotating electric machine |
| CN109728699A (en) * | 2019-03-20 | 2019-05-07 | 河北科技大学 | Bimorph transducer multiple degrees of freedom motor |
| RU192378U1 (en) * | 2019-05-13 | 2019-09-16 | Акционерное Общество "Завод "Фиолент" | Dual Count Induction Reducer |
| CN110311486A (en) * | 2019-07-01 | 2019-10-08 | 东南大学 | A kind of brushless dual-feed motor double-cage rotor and conducting bar connection method |
| CN110932510A (en) * | 2019-12-12 | 2020-03-27 | 齐鲁工业大学 | Double-stator magnetic flux switching wind driven generator |
-
2015
- 2015-03-19 CN CN201520157597.0U patent/CN204517605U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890514A (en) * | 2015-02-16 | 2016-08-24 | 罗伯特·博世有限公司 | Sensor device for obtaining corner angle of rotating component of vehicle |
| CN105890514B (en) * | 2015-02-16 | 2020-01-07 | 罗伯特·博世有限公司 | Sensor device for detecting a rotation angle at a rotating component in a vehicle |
| CN104734440A (en) * | 2015-03-19 | 2015-06-24 | 江门职业技术学院 | Double-stator magnetic resistance type angle sensor |
| CN108886312A (en) * | 2016-04-26 | 2018-11-23 | Abb瑞士股份有限公司 | Bimorph transducer rotating electric machine |
| US11239734B2 (en) | 2016-04-26 | 2022-02-01 | Abb Schweiz Ag | Double stator rotating electrical machine |
| WO2018042226A1 (en) * | 2016-08-31 | 2018-03-08 | Munjeri Tawanda | Electric generator and electric power generation system |
| CN109728699A (en) * | 2019-03-20 | 2019-05-07 | 河北科技大学 | Bimorph transducer multiple degrees of freedom motor |
| RU192378U1 (en) * | 2019-05-13 | 2019-09-16 | Акционерное Общество "Завод "Фиолент" | Dual Count Induction Reducer |
| CN110311486A (en) * | 2019-07-01 | 2019-10-08 | 东南大学 | A kind of brushless dual-feed motor double-cage rotor and conducting bar connection method |
| CN110932510A (en) * | 2019-12-12 | 2020-03-27 | 齐鲁工业大学 | Double-stator magnetic flux switching wind driven generator |
| CN110932510B (en) * | 2019-12-12 | 2021-01-29 | 齐鲁工业大学 | Double-stator magnetic flux switching wind driven generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204517605U (en) | Double-stator magneto resistance formula angle level sensor | |
| CN104734440A (en) | Double-stator magnetic resistance type angle sensor | |
| CN205178812U (en) | Fan and single -phase external rotor brushless motor thereof | |
| CN101552122B (en) | Dual-rotor magnetoresistance transformer | |
| US8975799B2 (en) | Broad-pole type square-wave three-phase brushless permanent magnet direct current motor and assembling method thereof | |
| CN102364842B (en) | Birotary single-pole permanent-magnet brushless direct-current motor | |
| CN201781395U (en) | Direct current brushless motor stator and rotor device with low cogging torque | |
| CN101030717A (en) | DC brushless torque motor of coaxial triple-segment and redundancy | |
| JPH04289759A (en) | Brushless motor | |
| CN101034863A (en) | Precise digital control rotation platform based on direct driving of serial dual synchronous torque motor | |
| CN204481655U (en) | Permanent magnetic step motor | |
| CN206878653U (en) | A kind of automobile-used magnetic coder structure of electric car or electric motorcycle | |
| CN102055294A (en) | Permanent-magnet multiplied-pole generator for switched reluctance motor | |
| CN201466836U (en) | Three-phase centralized winding type electric motor with redundant winding | |
| CN203039532U (en) | Double-disc axial-magnetic-field type switched reluctance motor | |
| CN202334210U (en) | Double-rotor monopole permanent magnet brushless direct current (DC) motor | |
| CN204514270U (en) | Birotor reluctance type angle level sensor | |
| CN207398992U (en) | A kind of multipole brushless motor convenient for built-in Hall sensors positioning | |
| CN209402384U (en) | 10 pole three-phase permanent magnetic brushless motor of electric vehicle and 18 slot | |
| CN203708059U (en) | Energy-saving permanent-magnet brushless direct-current motor | |
| CN201846211U (en) | Double-magnetic disk type electric motor | |
| CN202444388U (en) | Stator yoke excited direct current motor | |
| CN101610009A (en) | Single-phase external rotor type switch reluctance motor | |
| CN201025699Y (en) | Digital control turning table driven directly by dual synchronization toque electromotor | |
| CN111009391B (en) | Reluctance type rotary transformer and optimization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |