CN106197482A - Finite angle encoder magnetic steel structure and there is the encoder of this magnetic steel structure - Google Patents
Finite angle encoder magnetic steel structure and there is the encoder of this magnetic steel structure Download PDFInfo
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- CN106197482A CN106197482A CN201610533956.7A CN201610533956A CN106197482A CN 106197482 A CN106197482 A CN 106197482A CN 201610533956 A CN201610533956 A CN 201610533956A CN 106197482 A CN106197482 A CN 106197482A
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- magnet steel
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- single pair
- encoder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
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- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The present invention proposes finite angle encoder magnetic steel structure and has the encoder of this magnetic steel structure.Described encoder includes single pair of pole magnet steel and the multipair pole magnet steel being oppositely arranged in the same space plane, and described single pair of pole magnet steel includes n sheet magnet steel, and n is more than or equal to 3, and described multipair pole magnet steel is N to pole magnet steel, and including n' sheet magnet steel, n' is more than or equal to 2N+1；Magnet steel gripper shoe, described single pair of pole magnet steel and multipair pole magnet steel are symmetricly set in surface；Bearing, described bearing outer ring matches with described magnet steel gripper shoe endoporus；Bearing inner race matches with board support plate；Circuit board is fixed on the another side of described circuit supporting plate, and described circuit board surface has single pair of pole Hall element and multipair pole Hall element.Finite angle encoder magnetic steel structure described in the application of the invention and have the encoder of this magnetic steel structure and can effectively reduce the physical dimension of combined encoding device, improves the light-weight design of product while reducing cost of goods manufactured.
Description
Technical field
The invention belongs to encoder manufacturing technology field, be specifically related to a kind of finite angle encoder magnetic steel structure and have
The encoder of this magnetic steel structure.
Background technology
The angular displacement sensor that the high-precision servo platform of industrial control field is widely used at present has rotary transformer, photoelectricity to compile
Code device and magnetism encoder.
Wherein, magnetism encoder is mainly made up of permanent magnet and magneto sensor.Magneto sensor can by Hall effect or
The space magnetic field change that magnetoresistance sensing is caused by permanent magnet rotary motion, and this changes of magnetic field can be converted into voltage letter
Number change, and the purpose to rotary part Angular Displacement Detecting can be reached by follow-up signal processing system.Compare rotation to become
Depressor and photoelectric encoder, magnetism encoder has simple in construction, high temperature resistant, oil rub resistance, shock resistance and volume is little, low cost etc.
Advantage, the application places in miniaturization and severe environmental conditions has unique advantage.
Magnetism encoder is mainly made up of magnetic signal recurring structure and signal processing circuit two parts, and wherein magnetic signal occurs
Source is referred to as magnet steel.The difference of the number of magnetic poles according to magnet steel, can be divided into single pair of pole magnet steel and multipair pole magnet steel, thus compile according to magnetoelectricity
The difference of code device magnetic signal occurring source can be divided into single pair of pole magnetoelectric encoder and single multipair pole combined magnetic photoelectric coder.Combination type
Magnetism encoder i.e. increases a multipair pole field signal source on the basis of traditional single pair of pole magnetoelectric encoder, realizes
The coding of single pair of pole magnet steel is segmented, reaches to put forward high-resolution purpose.
The existing combined magnetic photoelectric coder multipair pole commonly used whole ring type structure of magnet steel.And single pair of pole magnet steel uses
Radial magnetizing, multipair pole magnet steel uses axial charging and single pair of pole magnet steel and multipair pole magnet steel to be separately mounted to two, space phase
The most parallel installed surface is to reach the effect of magnetic field isolation.The most traditional magnet steel mounting structure axial space is bigger.Single pair of pole
Magnet steel uses the mode of radial magnetizing to need to add one at the radial direction of magnet steel and encloses magnetic guiding loop, and therefore radial dimension is bigger.Combine
Upper described traditional combined encoding device application in miniaturization occasion is restricted, and in limited angular range
Motion, uses whole ring type structure to cause the waste of magnet steel and the increase of product cost to be unfavorable for realizing the lightweight of product simultaneously
Design.
Summary of the invention
The present invention proposes a kind of finite angle encoder magnetic steel structure and has the encoder of this magnetic steel structure, by making
With finite angle encoder magnetic steel structure of the present invention and there is the encoder of this magnetic steel structure can effectively reduce group
The physical dimension of box-like encoder, makes product structure compacter, improves the light of product while reducing cost of goods manufactured
Quantitative design.
The present invention proposes a kind of finite angle encoder magnetic steel structure, relative including including in the same space plane
The single pair of pole magnet steel arranged and multipair pole magnet steel, described single pair of pole magnet steel includes n sheet magnet steel, and n is more than or equal to 3, described multipair pole
Magnet steel is N to pole magnet steel, and including n' sheet magnet steel, n' is more than or equal to 2N+1.
Finite angle encoder magnetic steel structure as above, wherein, shared by every magnet steel of described single pair of pole magnet steel
Mechanical angle is α, and described mechanical angle α is equal to 90 ° divided by n.
Finite angle encoder magnetic steel structure as above, wherein, shared by every magnet steel of described multipair pole magnet steel
Mechanical angle is β, and described mechanical angle β is equal to 90 ° divided by n'.
Finite angle encoder magnetic steel structure as above, wherein, described single pair of pole magnet steel and described multipair pole magnet steel
Along the circumferential direction radially it is separated by 180 ° to be symmetrical arranged.
Finite angle encoder magnetic steel structure as above, wherein, described single pair of pole magnet steel and described multipair pole magnet steel
Employing end face magnetizes.
The invention allows for including the encoder of the arbitrary described finite angle encoder magnetic steel structure, its
In, including:
The single pair of pole magnet steel being oppositely arranged in the same space plane and multipair pole magnet steel, described single pair of pole magnet steel includes n sheet
Magnet steel, n is more than or equal to 3, and described multipair pole magnet steel is N to pole magnet steel, and including n' sheet magnet steel, n' is more than or equal to 2N+1；
Magnet steel gripper shoe, described magnet steel gripper shoe is loop configuration, and described single pair of pole magnet steel and multipair pole magnet steel are circumferentially
Radially being separated by 180 ° is symmetricly set in described magnet steel gripper shoe annular surface in direction；
Bearing, described bearing outer ring matches with described magnet steel gripper shoe endoporus；
Board support plate, the one side center of described board support plate has a round boss towards described axle
Holding, described board support plate is connected with described brearing bore by described round boss；
Circuit board, described circuit board is fixedly connected on the another side of described board support plate, described circuit board towards
Surface, described magnet steel direction has single pair of pole Hall element and a multipair pole Hall element, described single pair of pole Hall element and
Multipair pole Hall element is oppositely arranged with described single pair of pole magnet steel and multipair pole magnet steel respectively.
Encoder as above, wherein, described single pair of pole Hall element includes two Hall elements, described single pair of
Two Hall element electrical angles in the Hall element of pole differ 90 °.
Encoder as above, wherein, described multipair pole Hall element includes two Hall elements, described multipair
Two Hall element electrical angles in the Hall element of pole differ 90 °.
Encoder as above, wherein, described single pair of pole Hall element and multipair pole Hall element distance magnet steel
The distance on surface is more than 0.5mm, less than 1mm.
Encoder as above, wherein, described encoder farther includes stop screw, and described stop screw is fixed on
Described magnet steel gripper shoe is towards the side of described magnet steel, for mechanical position limitation effect.
Finite angle encoder magnetic steel structure described in the application of the invention, by single pair of pole magnet steel and multipair pole magnet steel pair
Claim to be arranged in the same space plane, reduce the radial dimension of combined magnetic photoelectric coder.
By using end face to magnetize described single pair of pole magnet steel and described multipair pole magnet steel, reduce the axial chi of encoder
Very little.
Encoder described in the application of the invention, it is possible to accurately measure the corner change in limited angle.
By by Hall element Surface Mount on circuit boards, reduce axial dimension and the radial ruler of encoder further
Very little.
Accompanying drawing explanation
Describe the present invention below in conjunction with the accompanying drawings in detail.By the detailed description made in conjunction with the following drawings, the present invention's is upper
State or otherwise content will be apparent from and is easier to understand.In accompanying drawing:
Fig. 1 is the structural representation of finite angle encoder magnetic steel structure of the present invention；
Fig. 2 is the structural representation of the encoder with finite angle encoder magnetic steel structure of the present invention；
The knot schematic diagram of Fig. 3 position circuit board of the present invention；
The structural representation of Fig. 4 position board support of the present invention plate；
Fig. 5 is the structural representation of one embodiment of the invention.
In accompanying drawing, each labelling is expressed as follows:
101: single pair of pole magnet steel, 102: multipair pole magnet steel；
20: magnet steel gripper shoe；
30: bearing；
40: board support plate；
50: circuit board, 501: single pair of pole Hall element, 502: multipair pole Hall element；
60: stop screw；
70: servo control mechanism.
Detailed description of the invention
Describe the detailed description of the invention of the present invention below in conjunction with the accompanying drawings in detail.
Detailed description of the invention/the embodiment recorded at this is the specific detailed description of the invention of the present invention, is used for illustrating this
The design of invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.
In addition to the embodiment recorded at this, those skilled in the art can also be based on disclosed in the application claims and description
Content uses other technical scheme obvious, and these technical schemes include using taking the post as the embodiment recorded at this
The technical scheme of what obvious substitutions and modifications, all within protection scope of the present invention.
Fig. 1 is the structural representation of finite angle encoder magnetic steel structure of the present invention.As it is shown in figure 1, finite angle
Encoder magnetic steel structure includes single pair of pole magnet steel 101 and multipair pole magnet steel 102, the described list being oppositely arranged in the same space plane
Pole magnet steel is included n sheet magnet steel, n be more than or equal to 3, described multipair pole magnet steel be N to pole magnet steel, including n' sheet magnet steel, n' is more than
Equal to 2N+1.
Single pair of pole magnet steel 101 and multipair pole magnet steel 102 are oppositely arranged in the same space plane, its footpath the least
To size range.Single pair of pole magnet steel 101 includes n sheet magnet steel, and in order to ensure single pair of pole magnet steel 101, in rotation process, single pair of pole is suddenly
The signal that your element collects ensures that within the magnetic field cycle of a Guan Bi, then magnet steel 101 number n in single pair of pole are more than or equal to 3.Many
Being N to pole magnet steel 102 to pole magnet steel, including n' sheet magnet steel, in order to ensure multipair pole magnet steel 102, in rotation process, multipair pole is suddenly
The signal that your element collects is within the magnetic field cycle of N number of Guan Bi, and the most multipair pole magnetic links number n' is more than or equal to 2N+1.
Further, single pair of pole magnet steel 101 is made up of n sheet magnet steel, and the mechanical angle shared by every magnet steel is α.Multipair
Pole magnet steel 102 be N to pole, be made up of n' sheet magnet steel, the mechanical angle shared by every magnet steel is β.Assume that servo control mechanism 70 swings
Limited angle be θ.For preventing single pair of pole and multipair pole field signal from interfering, it is designed as limited at mechanical space upper magnetic steel
Angle.Mechanical angle α shared by every magnet steel of single pair of pole magnet steel 101 is equal to 90 °/n, shared by every magnet steel of multipair pole magnet steel 102
Mechanical angle β equal to 90 °/n'.
Further, described single pair of pole magnet steel 101 and described multipair pole magnet steel 102 be along the circumferential direction radially separated by 180 ° right
Claim to arrange.
Described single pair of pole magnet steel 101 and described multipair pole magnet steel 102 are along the circumferential direction radially separated by 180 ° and are symmetrical arranged, can
With more conservative control Distribution of Magnetic Field, prevent single pair of pole and multipair pole field signal from interfering.
Finite angle encoder magnetic steel structure described in the application of the invention, by single pair of pole magnet steel and multipair pole magnet steel pair
Claim to be arranged in the same space plane, effectively reduce the radial dimension of combined magnetic photoelectric coder.
Further, described single pair of pole magnet steel 101 and described multipair pole magnet steel 102 all use end face to magnetize.
By using end face to magnetize described single pair of pole magnet steel 101 and described multipair pole magnet steel 102, reduce encoder
Axial dimension.
Fig. 2 is the structural representation of the encoder with finite angle encoder magnetic steel structure of the present invention.Such as Fig. 2 institute
Show that there is the encoder of finite angle encoder magnetic steel structure, including the single pair of pole magnet steel being oppositely arranged in the same space plane
101 and multipair pole magnet steel 102.Described single pair of pole magnet steel 101 includes n sheet magnet steel, and n is more than or equal to 3, described multipair pole magnet steel 102
For N to pole magnet steel, including n' sheet magnet steel, n' is more than or equal to 2N+1.
Further, single pair of pole magnet steel 101 is made up of n sheet magnet steel, and the mechanical angle shared by every magnet steel is α.Multipair
Pole magnet steel 102 be N to pole, be made up of n' sheet magnet steel, the mechanical angle shared by every magnet steel is β.Assume what servo control mechanism swung
Limited angle is θ.For preventing single pair of pole and multipair pole field signal from interfering, it is designed as limited at mechanical space upper magnetic steel
Angle.Mechanical angle α shared by every magnet steel of single pair of pole magnet steel 101 is equal to 90 °/n, shared by every magnet steel of multipair pole magnet steel 102
Mechanical angle β equal to 90 °/n'.
Encoder described in the application of the invention, it is possible to accurately measure the corner change in limited angle.Meanwhile, improve
The light-weight design of product.
Further, described single pair of pole magnet steel 101 and described multipair pole magnet steel 102 be along the circumferential direction radially separated by 180 ° right
Claim to arrange.
Described single pair of pole magnet steel 101 and described multipair pole magnet steel 102 are along the circumferential direction radially separated by 180 ° and are symmetrical arranged, can
With more conservative control Distribution of Magnetic Field, prevent single pair of pole and multipair pole field signal from interfering.
Magnet steel gripper shoe 20, described magnet steel gripper shoe 20 is loop configuration.Described single pair of pole magnet steel 101 and multipair pole magnet steel
102 are along the circumferential direction radially separated by 180 ° of annular surfaces being symmetricly set in magnet steel gripper shoe 20.
Magnet steel gripper shoe 20 is loop configuration, and its center is provided with hollow circular hole.Magnet steel gripper shoe 20 annular surface sets
There is multiple through hole.
Fig. 5 is the structural representation of one embodiment of the invention.As it is shown in figure 5, magnet steel gripper shoe 20 is passed by screw
Its surface through hole is connected with servo control mechanism 70 rotating part.Thus utilize servo control mechanism 70 to drive magnet steel gripper shoe 20 to revolve
Turn, and then drive magnet steel to carry out the rotary motion of limited angle, form magnetic field.
Further, described single pair of pole magnet steel 101 and multipair pole magnet steel 102 are by high intensity magnetic steel structure glue TY5326G
It is bonded in magnet steel gripper shoe 20 surface.
Bearing 30, matches with described magnet steel gripper shoe 20 endoporus in described bearing 30 outer ring.
The structural representation of Fig. 4 position board support of the present invention plate 40.As shown in Figure 4, described board support plate
The one side center of 40 has a round boss towards described bearing 30.Described board support plate 40 is by described circle
Boss is connected with described bearing 30 inner hole.
Further, board support plate 40 surface has multiple through-hole structure.Board support plate 40 is worn by screw
The framework crossing through hole and servo control mechanism 70 is fixed together.Bearing 30 plays a supportive role, bearing 30 inner ring and board support plate
40 connect by the way of slight interference coordinates.The outer ring of bearing 30 and magnet steel gripper shoe 20 inner hole.Therefore servo control mechanism is worked as
During 70 rotation, circuit board 50 and magnet steel can occur relative motion by bearing 30.And then, the Hall element of distribution on circuit board 50
The space magnetic field change caused by magnet steel rotary motion can be sensed, and this changes of magnetic field can be converted into the change of voltage signal
Change, and the purpose to rotary part Angular Displacement Detecting can be reached by follow-up signal processing system.
The structural representation of Fig. 3 position circuit board of the present invention 50.As it is shown on figure 3, described circuit board 50 is fixedly connected on
The opposite side of described board support plate 40.Described circuit board 50 has single pair of pole hall sensing towards surface, described magnet steel direction
Device 501 and multipair pole Hall element 502.Described single pair of pole Hall element 501 and multipair pole Hall element 502 respectively with
Described single pair of pole magnet steel 101 and multipair pole magnet steel 102 are oppositely arranged.
Further, circuit board 50 surface is provided with the through hole corresponding with board support plate 40 surface lead to the hole site.Electricity
Road plate 50 is connected by this through hole employing screw is fixing with board support plate 40.
Circuit board 50 uses surface-mount type Hall element compare employing plug-in unit Hall element and reduce volume further
The axial dimension of code device and radial dimension.
Hall element at the circuit board 50 surface Surface Mount of single pair of pole magnet steel 101 correspondence is referred to as single pair of pole Hall element
501.Hall element at the circuit board 50 surface Surface Mount of multipair pole magnet steel 102 correspondence is referred to as multipair pole Hall element 502.Many
Pole hall signal is carried out angle sorting to single pair of pole hall signal, thus improves the resolution of encoder.
Further, described single pair of pole Hall element 501 includes two Hall elements, described single pair of pole hall sensing
Two Hall element electrical angles in device 501 differ 90 °.
Further, described multipair pole Hall element 502 includes two Hall elements, described multipair pole hall sensing
Two Hall element electrical angles in device 502 differ 90 °.
According to the principle of arc tangent algorithm, the hall signal that two, single pair of pole Hall element collects needs orthogonal i.e. single pair of
The electrical angle of two Hall elements in pole needs to differ 90 °, and the electrical angle to two Hall elements in pole needs to differ 90 ° as much.
According to the space angle shared by every magnet steel of single pair of pole magnet steel 101, two in single pair of pole Hall element 501 can be calculated
Mechanical angle between Hall element.According to the space angle shared by every magnet steel of multipair pole magnet steel 102, can calculate many
To the mechanical angle between two Hall elements in pole Hall element 502.
Further, described single pair of pole Hall element 501 and multipair pole Hall element 502 are apart from corresponding magnet steel table
The distance in face is more than 0.5mm, less than 1mm.
Show that distance single, Hall surface distance magnet steel surface, multipair pole is more than 0.5mm according to substantial amounts of emulation data, little
In 1mm, the requirement of the intensity of Hall element magnetic field sensor signal can be met.
Further, described encoder farther includes stop screw 60.Described stop screw 60 is fixed on described magnet steel
Gripper shoe 20 is towards the side of described magnet steel, for mechanical position limitation.
Servo control mechanism 70 drives magnet steel gripper shoe 20 to rotate.Turn when the corner of servo control mechanism 70 exceedes original setting
During angle, stop screw 60 can collide the outer surface at board support plate 40 with the rotation of magnet steel gripper shoe 20.Due to circuit board
Gripper shoe 40 is fixedly connected on the framework of servo control mechanism 70, will not rotate with the rotation of servo control mechanism.Thus, cause servo
The phenomenon of mechanism's stall.Therefore, stop screw 60 plays the effect of mechanical position limitation.
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate the present invention, and unrestricted
The scope of the present invention.It will be understood by those within the art that, under the premise without departing from the spirit and scope of the present invention
The amendment carrying out the present invention or equivalent, all should contain within the scope of the present invention.Additionally, institute unless the context
Outside finger, the word occurred in the singular includes plural form, and vice versa.It addition, unless stated otherwise, then any embodiment
All or part of can use in conjunction with all or part of of any other embodiments.
Claims (10)
1. finite angle encoder magnetic steel structure, it is characterised in that include the single pair of pole magnetic being oppositely arranged in the same space plane
Steel and multipair pole magnet steel, described single pair of pole magnet steel includes n sheet magnet steel, and n is more than or equal to 3, and described multipair pole magnet steel is that N is to pole magnetic
Steel, including n' sheet magnet steel, n' is more than or equal to 2N+1.
Finite angle encoder magnetic steel structure the most according to claim 1, it is characterised in that described single pair of pole magnet steel every
Mechanical angle shared by sheet magnet steel is α, and described mechanical angle α is equal to 90 ° divided by n.
Finite angle encoder magnetic steel structure the most according to claim 1, it is characterised in that described multipair pole magnet steel every
Mechanical angle shared by sheet magnet steel is β, and described mechanical angle β is equal to 90 ° divided by n'.
Finite angle encoder magnetic steel structure the most according to claim 1, it is characterised in that described single pair of pole magnet steel and institute
State multipair pole magnet steel to be along the circumferential direction radially separated by 180 ° and be symmetrical arranged.
Finite angle encoder magnetic steel structure the most according to claim 1, it is characterised in that described single pair of pole magnet steel and institute
Stating multipair pole magnet steel uses end face to magnetize.
6. include the encoder of finite angle encoder magnetic steel structure described in claim 1-5, it is characterised in that including:
The single pair of pole magnet steel being oppositely arranged in the same space plane and multipair pole magnet steel, described single pair of pole magnet steel includes n sheet magnet steel,
N is more than or equal to 3, and described multipair pole magnet steel is N to pole magnet steel, and including n' sheet magnet steel, n' is more than or equal to 2N+1；
Magnet steel gripper shoe, described magnet steel gripper shoe is loop configuration, and described single pair of pole magnet steel and multipair pole magnet steel are along the circumferential direction
Radially being separated by 180 ° is symmetricly set in described magnet steel gripper shoe annular surface；
Bearing, described bearing outer ring matches with described magnet steel gripper shoe endoporus；
Board support plate, the one side center of described board support plate has a round boss towards described bearing,
Described board support plate is connected with described brearing bore by described round boss；
Circuit board, described circuit board is fixedly connected on the another side of described board support plate, and described circuit board is towards described
Surface, magnet steel direction has single pair of pole Hall element and a multipair pole Hall element, described single pair of pole Hall element and multipair
Pole Hall element is oppositely arranged with described single pair of pole magnet steel and multipair pole magnet steel respectively.
Encoder the most according to claim 6, it is characterised in that described single pair of pole Hall element includes that two Halls pass
Sensor, two Hall element electrical angles in the Hall element of described single pair of pole differ 90 °.
Encoder the most according to claim 6, it is characterised in that described multipair pole Hall element includes that two Halls pass
Sensor, two Hall element electrical angles in the Hall element of described multipair pole differ 90 °.
Encoder the most according to claim 6, it is characterised in that described single pair of pole Hall element and multipair pole Hall pass
The distance on sensor distance magnet steel surface is more than 0.5mm, less than 1mm.
Encoder the most according to claim 6, it is characterised in that described encoder farther includes stop screw, described
Stop screw is fixed on the described magnet steel gripper shoe side towards described magnet steel, for mechanical position limitation effect.
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| CN201610533956.7A CN106197482B (en) | 2016-07-07 | 2016-07-07 | Finite angle encoder magnetic steel structure and the encoder with the magnetic steel structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521839A (en) * | 2020-06-11 | 2020-08-11 | 哈尔滨理工大学 | Magnetoelectric encoder based on multi-pair-pole magnetic steel and auxiliary stator winding speed measurement |
| CN111721329A (en) * | 2020-07-07 | 2020-09-29 | 哈尔滨理工大学 | three-Hall magnetoelectric encoder and arc-tangent-free calculation angle calculation method |
| CN111854807A (en) * | 2020-05-15 | 2020-10-30 | 哈尔滨理工大学 | Domain angle magnetoelectric encoder and signal logic extension fine-dividing method thereof |
| CN114659543A (en) * | 2022-05-20 | 2022-06-24 | 唐山工业职业技术学院 | High-precision multi-pair-electrode magnetoelectric encoder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335151Y (en) * | 1998-06-09 | 1999-08-25 | 赵宏武 | High resolution magnetic rotary encoder with high sensitivity probe |
| CN101493342A (en) * | 2008-01-22 | 2009-07-29 | 上海精浦机电有限公司 | Electromagnetical multi-circle absolute value encoder |
| CN101846531A (en) * | 2010-05-28 | 2010-09-29 | 江苏斯沃特电气有限公司 | Multipole combined-type magnetic encoder |
| CN102472607A (en) * | 2009-06-30 | 2012-05-23 | Ntn株式会社 | Rotation angle detecting device for car driving motor, and bearing equipped with the rotation angle detecting device |
| JP2013185826A (en) * | 2012-03-05 | 2013-09-19 | Asahi Kasei Electronics Co Ltd | Magnetic encoder |
| CN204495364U (en) * | 2014-02-05 | 2015-07-22 | 发那科株式会社 | Magnetic detector |
| CN105122011A (en) * | 2013-04-09 | 2015-12-02 | Ntn株式会社 | Magnetic encoder and production method therefor |
-
2016
- 2016-07-07 CN CN201610533956.7A patent/CN106197482B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335151Y (en) * | 1998-06-09 | 1999-08-25 | 赵宏武 | High resolution magnetic rotary encoder with high sensitivity probe |
| CN101493342A (en) * | 2008-01-22 | 2009-07-29 | 上海精浦机电有限公司 | Electromagnetical multi-circle absolute value encoder |
| CN102472607A (en) * | 2009-06-30 | 2012-05-23 | Ntn株式会社 | Rotation angle detecting device for car driving motor, and bearing equipped with the rotation angle detecting device |
| CN101846531A (en) * | 2010-05-28 | 2010-09-29 | 江苏斯沃特电气有限公司 | Multipole combined-type magnetic encoder |
| JP2013185826A (en) * | 2012-03-05 | 2013-09-19 | Asahi Kasei Electronics Co Ltd | Magnetic encoder |
| CN105122011A (en) * | 2013-04-09 | 2015-12-02 | Ntn株式会社 | Magnetic encoder and production method therefor |
| CN204495364U (en) * | 2014-02-05 | 2015-07-22 | 发那科株式会社 | Magnetic detector |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854807A (en) * | 2020-05-15 | 2020-10-30 | 哈尔滨理工大学 | Domain angle magnetoelectric encoder and signal logic extension fine-dividing method thereof |
| CN111521839A (en) * | 2020-06-11 | 2020-08-11 | 哈尔滨理工大学 | Magnetoelectric encoder based on multi-pair-pole magnetic steel and auxiliary stator winding speed measurement |
| CN111521839B (en) * | 2020-06-11 | 2022-10-28 | 哈尔滨理工大学 | Magnetoelectric encoder based on multi-pair-pole magnetic steel and auxiliary stator winding speed measurement |
| CN111721329A (en) * | 2020-07-07 | 2020-09-29 | 哈尔滨理工大学 | three-Hall magnetoelectric encoder and arc-tangent-free calculation angle calculation method |
| CN111721329B (en) * | 2020-07-07 | 2021-11-23 | 哈尔滨理工大学 | three-Hall magnetoelectric encoder and arc-tangent-free calculation angle calculation method |
| CN114659543A (en) * | 2022-05-20 | 2022-06-24 | 唐山工业职业技术学院 | High-precision multi-pair-electrode magnetoelectric encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106197482B (en) | 2018-06-26 |
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Address after: 100080 room 5310, 5311, 5 West building, 1, Haidian District, Beijing. Patentee after: Aerospace Xin Chuang automatic control equipment development Co., Ltd. Address before: 100039 Beijing Haidian District 16 Yuquanlu Road 1 District Beijing Hailing Hotel 213 room. Patentee before: Aerospace Xin Chong automatic control equipment development Limited by Share Ltd |
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