CN104979065A - Z-axial 512-pole magnetic ring - Google Patents
Z-axial 512-pole magnetic ring Download PDFInfo
- Publication number
- CN104979065A CN104979065A CN201510401381.9A CN201510401381A CN104979065A CN 104979065 A CN104979065 A CN 104979065A CN 201510401381 A CN201510401381 A CN 201510401381A CN 104979065 A CN104979065 A CN 104979065A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- pole
- magnetic pole
- magnetic poles
- pairs
- 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.)
- Pending
Links
Abstract
The invention discloses a Z-axial 512-pole magnet ring characterized by comprising an annular base layer and a ferrite layer cast on the base layer. 256 pairs of NS magnetic poles are orderly magnetically distributed on the inner ring of the base layer; the 256 pairs of NS magnetic poles comprises 256 N single magnetic poles and 256 S single magnetic poles; a marking magnetic pole is formed by one N single magnetic pole and/or an S single magnetic pole of the 256 pairs of NS magnetic poles, or by two N single magnetic poles and one S single magnetic pole, or by one N single magnetic pole and two S signal magnetic rings; the height of the marking magnetic pole is 1.5 to 2 times higher than the height of the rest single magnetic poles of the 256 pairs of NS magnetic poles; and the height of the marking magnetic pole equals to the height of the base layer. The super-high magnetic hole is employed to be the marking magnetic pole, so the marking magnetic pole for verification can be detected by an encoder at any time and distorting phenomenon due to signal loss in a traditional way can be avoided.
Description
Technical field
The present invention relates to a kind of magnet ring, particularly relate to a kind of 512 pole magnet rings with Z-direction, belong to the magnet ring encoder techniques in field of industrial automation control.
Background technology
Magnet ring encoder developed a kind of position transducer fast in recent years, is widely used in the system of field of industrial automation control and location, other exact positions, is especially used widely in the industry spot that environment is more severe.The magnet ring of existing magnet ring encoder, magnet ring outer ring evenly replaces equally spaced NS magnetic pole, and magnetic pole covers the whole width of magnet ring, general magnet pole widths is generally 1 millimeter, 1.2 millimeters and 5 millimeters, pole pair is generally 2 millimeters, 2.4 millimeters and 10 millimeters, and existing magnet ring is used for making magnet ring encoder, can not make circle physics Z phase out, electronics Z phase can only be gone out, understand lossing signal when applying magnetized encoder like this and can not get checking.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of 512 pole magnet rings with Z-direction, has one for identifying the Z-direction check digit of magnetic pole.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of 512 pole magnet rings with Z-direction, its innovative point is: comprise basic unit in the form of a ring, the ferrite layer of injection mo(u)lding in described basic unit, on the inner ring of this basic unit successively magnetic be placed with 256 pairs of NS magnetic poles, described 256 pairs of NS magnetic poles comprise 256 mono-magnetic poles of N and 256 mono-magnetic poles of S, described mark magnetic pole is that in 256 pairs of NS magnetic poles, the mono-magnetic pole of one of them N and/or a mono-magnetic pole of S are formed, or be that two mono-magnetic poles of N and a mono-magnetic pole of S are formed, or be that a mono-magnetic pole of N and two mono-magnetic poles of S are formed, the height of described mark magnetic pole is 1.5 ~ 2 times of all the other single magnetic pole height in 256 pairs of NS magnetic poles, and the height of described mark magnetic pole equals the height of basic unit.
Preferably, described basic unit is the stainless steel steel ring that 304 stainless steel punching presses are formed.
Preferably, the internal diameter of described stainless steel steel ring is 180 mm.
Preferably, the thickness of described ferrite layer is 1 mm.
Preferably, the height of described mark magnetic pole is 2 times of all the other single magnetic pole height in 256 pairs of NS magnetic poles.
Preferably, in described 256 pairs of NS magnetic poles, the width of each single magnetic pole is 1.2m ± 0.05mm.
Preferably, the table magnetic after described 256 pairs of NS magnetic poles magnetic is 30-50MT.
The invention has the advantages that: by by the mono-magnetic pole of one of them N in 512 single magnetic poles and/or a mono-magnetic pole of S, or two mono-magnetic poles of N and a mono-magnetic pole of S, or a mono-magnetic pole of N and two mono-magnetic poles of S are as mark magnetic pole, the height of mark magnetic pole is designed to 2 times or 1.5 times of other single magnetic pole height, using the magnetic pole of this superelevation as mark magnetic pole, thus encoder work can detect the mark magnetic pole of this verification the moment, the distortion phenomenon that the dropout avoiding traditional approach appearance causes.After another volume production, magnet ring width and easily control, and magnet ring cost of manufacture can be reduced.Compared to traditional approach, there is following advantage in the present invention: 1. solve the problem that magnet ring encoder one encloses a physics Z phase completely, can detect in such application process to magnet ring encoder lossing signal.2. technological forming is all simple and reliable with magnetic, the magnetic pole after magnetic even, volume production good stability.3. steel ring is stainless steel, and permeability is low, can not have distortion to the magnetic field that magnetic pole produces.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the front view of a kind of 512 pole magnet rings with Z-direction of the present invention.
Fig. 2 is the structural representation of the first embodiment of a kind of 512 pole magnet rings with Z-direction of the present invention.
Fig. 3 is the structural representation of the second embodiment of a kind of 512 pole magnet rings with Z-direction of the present invention.
Fig. 4 is the structural representation of the 3rd embodiment of a kind of 512 pole magnet rings with Z-direction of the present invention.
Fig. 5 is the structural representation of the 4th embodiment of a kind of 512 pole magnet rings with Z-direction of the present invention.
Fig. 6 is the structural representation of the 5th embodiment of a kind of 512 pole magnet rings with Z-direction of the present invention.
In figure: 1-basic unit, 2-ferrite layer, the mono-magnetic pole of 3-N, the mono-magnetic pole of 4-S, 5-identify magnetic pole.
Embodiment
512 pole magnet rings of band Z-direction of the present invention comprise basic unit 1 in the form of a ring, the ferrite layer 2 of injection mo(u)lding in basic unit 1, on the inner ring of this basic unit 1 successively magnetic be placed with 256 pairs of NS magnetic poles, 256 pairs of NS magnetic poles comprise 256 mono-magnetic poles of N 3 and 256 mono-magnetic poles 4 of S.Present invention employs 5 embodiments, as shown in Figure 2, mark magnetic pole is that in 256 pairs of NS magnetic poles, the mono-magnetic pole of one of them N is formed to embodiment one.As shown in Figure 3, mark magnetic pole is that in 256 pairs of NS magnetic poles, the mono-magnetic pole of one of them S is formed to embodiment two.As shown in Figure 4, mark magnetic pole is that in 256 pairs of NS magnetic poles, the mono-magnetic pole of one of them S and a mono-magnetic pole of N are formed to embodiment three.As shown in Figure 5, mark magnetic pole is that in 256 pairs of NS magnetic poles, wherein two mono-magnetic poles of N and a mono-magnetic pole of S are formed to embodiment four.As shown in Figure 6, mark magnetic pole is that in 256 pairs of NS magnetic poles, the mono-magnetic pole of one of them N and two mono-magnetic poles of S are formed to embodiment five.The height of mark magnetic pole 5 is 1.5 ~ 2 times of all the other single magnetic pole height in 256 pairs of NS magnetic poles, and the height of mark magnetic pole 5 equals the height of basic unit 1.Above-mentioned basic unit 1 is the stainless steel steel ring that 304 stainless steel punching presses are formed, and the internal diameter of this stainless steel steel ring is 180 mm.The thickness of above-mentioned ferrite layer 2 is 1 mm.
When the height of above-mentioned mark magnetic pole 5 is 2 times of all the other single magnetic pole height in 256 pairs of NS magnetic poles, effect reaches best.In 256 pairs of above-mentioned NS magnetic poles, the width of each single magnetic pole is 1.2m ± 0.05mm, and the table magnetic after 256 pairs of NS magnetic poles magnetic is 30-50MT.
Magnet ring of the present invention identifies the height that magnetic pole 5 takes basic unit 1 when magnetic, other magnetic pole all identifies the certain height of magnetic pole 5 lower than this when magnetic, material is thus formed the physical layer of upper and lower two-layer magnetic pole, the read head of such magnet ring encoder can read bilevel physical message respectively, lower floor's 512 single magnetic poles (256 pole pair) is used as A, the physical basis of B phase, 1 magnetic pole exceeded is as a physics Z phase signals of a circle, like this when applying, work as A, during B phase lossing signal, can calibrate by Z phase, perfectly solve lossing signal problem.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and non-limiting technical scheme, those of ordinary skill in the art is to be understood that, those are modified to technical scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present invention.
Claims (7)
1. 512 pole magnet rings with Z-direction, it is characterized in that: comprise basic unit in the form of a ring, the ferrite layer of injection mo(u)lding in described basic unit, on the inner ring of this basic unit successively magnetic be placed with 256 pairs of NS magnetic poles, described 256 pairs of NS magnetic poles comprise 256 mono-magnetic poles of N and 256 mono-magnetic poles of S, mark magnetic pole is provided with in described 256 pairs of NS magnetic poles, described mark magnetic pole is that in 256 pairs of NS magnetic poles, the mono-magnetic pole of one of them N and/or a mono-magnetic pole of S are formed, or be that two mono-magnetic poles of N and a mono-magnetic pole of S are formed, or be that a mono-magnetic pole of N and two mono-magnetic poles of S are formed, the height of described mark magnetic pole is 1.5 ~ 2 times of all the other single magnetic pole height in 256 pairs of NS magnetic poles, and the height of described mark magnetic pole equals the height of basic unit.
2. a kind of 512 pole magnet rings with Z-direction as claimed in claim 1, is characterized in that: described basic unit is the stainless steel steel ring that 304 stainless steel punching presses are formed.
3. a kind of 512 pole magnet rings with Z-direction as claimed in claim 2, is characterized in that: the internal diameter of described stainless steel steel ring is 180 mm.
4. a kind of 512 pole magnet rings with Z-direction as claimed in claim 1, is characterized in that: the thickness of described ferrite layer is 1 mm.
5. a kind of 512 pole magnet rings with Z-direction as claimed in claim 1, is characterized in that: the height of described mark magnetic pole is 2 times of all the other single magnetic pole height in 256 pairs of NS magnetic poles.
6. a kind of 512 pole magnet rings with Z-direction as claimed in claim 1, is characterized in that: in described 256 pairs of NS magnetic poles, the width of each single magnetic pole is 1.2m ± 0.05mm.
7. a kind of 512 pole magnet rings with Z-direction as claimed in claim 1, is characterized in that: the table magnetic after described 256 pairs of NS magnetic poles magnetic is 30-50MT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401381.9A CN104979065A (en) | 2015-07-10 | 2015-07-10 | Z-axial 512-pole magnetic ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401381.9A CN104979065A (en) | 2015-07-10 | 2015-07-10 | Z-axial 512-pole magnetic ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104979065A true CN104979065A (en) | 2015-10-14 |
Family
ID=54275497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510401381.9A Pending CN104979065A (en) | 2015-07-10 | 2015-07-10 | Z-axial 512-pole magnetic ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104979065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007086A (en) * | 2023-09-28 | 2023-11-07 | 山西省机电设计研究院有限公司 | High-precision magnetoelectric encoder and method for detecting absolute angle of magnetoelectric encoder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5625353A (en) * | 1992-12-29 | 1997-04-29 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Device for transmitting signals from position detector and method of such signal transmission |
| DE19758037A1 (en) * | 1996-12-27 | 1998-07-02 | Electricfil | Coder for position and measuring sensor for automobile ignition system |
| CN1598493A (en) * | 2004-08-13 | 2005-03-23 | 北京科技大学 | Method for mfg. magnetic drum of high resolution magnetic-encoded device |
| CN1934421A (en) * | 2004-01-22 | 2007-03-21 | 日本精工株式会社 | Magnetic encoder and bearing |
-
2015
- 2015-07-10 CN CN201510401381.9A patent/CN104979065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5625353A (en) * | 1992-12-29 | 1997-04-29 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Device for transmitting signals from position detector and method of such signal transmission |
| DE19758037A1 (en) * | 1996-12-27 | 1998-07-02 | Electricfil | Coder for position and measuring sensor for automobile ignition system |
| CN1934421A (en) * | 2004-01-22 | 2007-03-21 | 日本精工株式会社 | Magnetic encoder and bearing |
| CN1598493A (en) * | 2004-08-13 | 2005-03-23 | 北京科技大学 | Method for mfg. magnetic drum of high resolution magnetic-encoded device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007086A (en) * | 2023-09-28 | 2023-11-07 | 山西省机电设计研究院有限公司 | High-precision magnetoelectric encoder and method for detecting absolute angle of magnetoelectric encoder |
| CN117007086B (en) * | 2023-09-28 | 2023-12-08 | 山西省机电设计研究院有限公司 | High-precision magnetoelectric encoder and method for detecting absolute angle of magnetoelectric encoder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2988100B1 (en) | Electronic water meter | |
| CN105408725A (en) | Magnetic encoder device and rotation detection device | |
| WO2017160496A8 (en) | Assembly using a magnetic field sensor for detecting a rotation and a linear movement of an object | |
| CN106452002A (en) | Concentric permanent magnetic gear magnetism regulation ring device and production method thereof | |
| CN104979065A (en) | Z-axial 512-pole magnetic ring | |
| CN104979067A (en) | Z-axial 128-pole magnet ring | |
| CN204991332U (en) | Take Z to N formula 320 utmost point magnetic rings | |
| CN204792283U (en) | Take Z to NS formula 320 utmost point magnetic rings | |
| CN204991330U (en) | Take Z to N formula 128 utmost point magnetic rings | |
| CN104979066A (en) | 320-pole magnet ring with Z direction | |
| CN205037907U (en) | Take Z to NS formula 128 utmost point magnetic rings | |
| CN204991329U (en) | Take Z to NS formula 512 utmost point magnetic rings | |
| CN204788429U (en) | Take Z to NSN formula 512 utmost point magnetic rings | |
| CN204991333U (en) | Take Z to SNS formula 512 utmost point magnetic rings | |
| CN204991331U (en) | Take Z to SNS formula 128 utmost point magnetic rings | |
| CN201795747U (en) | Wheel disc part detection tool | |
| WO2018143141A1 (en) | Magnetic encoder, and method and device for producing same | |
| CN203690098U (en) | Radial magnetization direction marking device for non-magnetized cylinder/ring magnetic steel | |
| CN207443205U (en) | A kind of multi-layer flexible circuit board of anti-stacked fault position | |
| CN106716070A (en) | Position detecting device and structure for using the position detecting device | |
| CN102889835A (en) | Device for detecting positions of uniformly distributed round holes on same circumference | |
| CN103148762A (en) | Electromagnetic clutch detection tool | |
| CN205881610U (en) | Dock magnetic ring | |
| CN107966404B (en) | Method for rapidly detecting combination of blank and glaze | |
| CN204046926U (en) | The high-accuracy target practice hole FPC of a kind of band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |