CN103501064A - Rotor magnetic hysteresis loop and magnetic hysteresis gyro motor rotor with rotor magnetic hysteresis loop - Google Patents
Rotor magnetic hysteresis loop and magnetic hysteresis gyro motor rotor with rotor magnetic hysteresis loop Download PDFInfo
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- CN103501064A CN103501064A CN201310448310.5A CN201310448310A CN103501064A CN 103501064 A CN103501064 A CN 103501064A CN 201310448310 A CN201310448310 A CN 201310448310A CN 103501064 A CN103501064 A CN 103501064A
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Abstract
The invention provides a rotor magnetic hysteresis loop in a spiral structure. The rotor magnetic hysteresis loop is formed by a magnetic hysteresis wire with the diameter phi being 0.8mm through flat pressing and spiral loop winding. The invention also provides a magnetic hysteresis gyro motor rotor, which comprises the rotor magnetic hysteresis loop, wherein the rotor magnetic hysteresis loop is sheathed on a motor rotor bushing and is positioned by a baffle ring. The rotor magnetic hysteresis loop has the characteristics that the processing is convenient, the cost is low, the assembly is convenient, and the installation efficiency is high. The lamination of several magnetic hysteresis sheets in the prior art is changed into the installation of one magnetic hysteresis spring, the abnormal phenomena of lamination type cracking and the like in the prior art can be avoided through the contraction performance of the spring structure. The wire material magnetic hysteresis spring is adopted, the obvious advantages are realized through being compared with the belt material magnetic hysteresis loop, the magnetic performance of magnetic materials in the rolling direction is superior to the performance in the transverse direction, the motor synchronization time is a half of the time of the lamination type, and the flexible gyroscope can be favorably and fast stabilized.
Description
Technical field
The present invention relates to a kind of novel B-H loop and hysteresis gyro motor rotor thereof, belong to technical field of motors.
Background technology
Hysteresis gyro motor is as the core parts of Gyroscope of Single Degree of Freedom, and its precision and high reliability close and lie in the even precision of whole system of gyroscope.Wherein, the rotor B-H loop is part important in dynamically tuned gyro, DTG, and the material of B-H loop and structural requirement are all very strict, and the length of the lock in time of hysteresis gyro motor is relevant to rotor B-H loop structure.In prior art, the rotor B-H loop is to be overrided to form by some B-H loops, then by a back-up ring, realizes fixing.The processing of rotor B-H loop is with expensive magnetic hysteresis alloy material (2000 yuan/kilogram), take at magnetic hysteresis alloy cold-strip punching Cheng Huan, not only there is the problem that difficulty of processing is large, and the utilance of sheet material very low (being only 5% left and right), the waste of precious resources also caused.
Summary of the invention
For the problems referred to above of prior art existence, the purpose of this invention is to provide a kind of rotor B-H loop of new structure, solve the prior art difficulty of processing large, cause the problem of the wasting of resources, to improve the utilance of hysteresis material.
The present invention also provides a kind of hysteresis gyro motor rotor that contains above-mentioned rotor B-H loop, the lock in time with the improvement hysteresis gyro motor, is conducive to the flexure gyroscope fast and stable.
To achieve these goals, the present invention adopts following technical scheme:
A kind of rotor B-H loop is characterized in that described B-H loop is structure in the shape of a spiral, adopts the magnetic hysteresis silk that diameter is Ф 0.8mm, through rolling, coiling helical annular and heat treatment, forms.
Described magnetic hysteresis silk rolling thickness is 0.5 ~ 0.6mm.
The processing method of above-mentioned rotor B-H loop comprises following processing step:
1) the magnetic hysteresis silk of Ф 0.8 mm being rolled into to thickness is 0.5 ~ 0.6mm magnetic hysteresis bar;
2) press the rotor liner size and make the coiling mandrel;
3) by the magnetic hysteresis filament winding on mandrel, heat-treat after fixing; Heat treated condition is: vacuum tempering, and the temperature of vacuum tempering is 500 ℃ ~ 620 ℃;
4) by the cutting of dimensional requirement line.
The present invention also provides a kind of hysteresis gyro motor rotor, comprises described rotor B-H loop, and described rotor B-H loop is sheathed on the rotor lining, by back-up ring, is located.
Further, described rotor lining one end periphery is provided with scrobicular ring, and described rotor B-H loop is positioned at scrobicular ring, and described rotor B-H loop one end pushes against the scrobicular ring afterbody, and the other end is pushed against by back-up ring.
Compared to existing technology, the present invention has following beneficial effect:
1, easy to process, cost is low.The rotor B-H loop the present invention relates to is structure in the shape of a spiral, adopts the magnetic hysteresis silk that diameter is Ф 0.8mm, through rolling, form around helical ring and heat treatment; Therefore, there are characteristics easy to process, that cost is low, and do not have the valuable resource of waste.The present invention changes traditional structure fully, has not only greatly improved the utilance of stagnant alloy material, by changing utilance by the magnetic hysteresis alloy material, is 5% to reach 100%; And magnetic property is more superior.
2, have easy to assemblyly, installation effectiveness is high.Because the rotor B-H loop is circular spring shape structure, can compress and extend, the magnetic hysteresis that the position that only needs to regulate back-up ring in installation process can be met demand is layer (axial length is satisfied the demand) effectively, become a magnetic hysteresis spring of installation from laminating in the past a plurality of magnetic hysteresis sheets, the shrinkage of spring structure has avoided laminating in the past the anomalies such as type cracking.
3, be conducive to the flexure gyroscope fast and stable.Silk material magnetic hysteresis spring has obvious superiority than band B-H loop, and magnetic material is better than its lateral performance along the magnetic property of rolling direction, and motor lock in time is to laminate 1/2 of type, is conducive to the flexure gyroscope fast and stable.
The accompanying drawing explanation
Fig. 1 is the cutaway view of rotor B-H loop of the present invention.
Fig. 2 is the structural representation of hysteresis gyro motor rotor of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of rotor B-H loop, it is structure in the shape of a spiral, adopts the magnetic hysteresis silk that diameter is Ф 0.8 mm, and process rolling (flattening) also forms around helical annular.The thickness of described flattening is that 0.58mm is advisable.
The processing technology of described rotor B-H loop is:
1, the magnetic hysteresis silk of Ф 0.8 mm being rolled into to thickness is 0.58 mm magnetic hysteresis bar;
2, press the rotor liner size and make the coiling mandrel;
3, by the magnetic hysteresis filament winding on mandrel, fixing, heat-treat (heat treatment); Heat treated condition is: vacuum tempering, and the temperature of vacuum tempering is 600 ℃ of left and right; For example 500 ℃ ~ 620 ℃, maximum temperature is 620 ℃;
4, by the cutting of dimensional requirement line, consider and produce reality, the every B-H loop length turned to is needed several times, so want the line cutting.B-H loop is just as spring, so need to fix by frock, the B-H loop both ends of the surface depth of parallelism that could allow line cut out is good, and better laminating is installed.Different gyrostatic B-H loop size differences, obtain different rotor B-H loops.
Referring to Fig. 2, a kind of hysteresis gyro motor rotor, comprise above-mentioned rotor B-H loop 2.Be provided with scrobicular ring in rotor lining 1 one end peripheries, described rotor B-H loop 2 is positioned at scrobicular ring, and described rotor B-H loop 2 one ends push against the scrobicular ring afterbody, and the other end is pushed against by back-up ring 3.
Mounting means of the present invention is as follows: the rotor B-H loop processed is enclosed within scrobicular ring, then back-up ring 3 is set in to the head of scrobicular ring, according to the needs to the effective layer of magnetic hysteresis axial length, regulate the position of back-up ring, because the rotor B-H loop is circular spring shape structure, can compress and extend, the magnetic hysteresis that the position that only needs to regulate back-up ring in installation process can be met demand is layer (axial length is satisfied the demand) effectively.
The present invention will become a magnetic hysteresis spring of installation from laminating in the past a plurality of magnetic hysteresis sheets, and the shrinkage of spring structure has avoided laminating in the past the anomalies such as type cracking.And the present invention adopts a material magnetic hysteresis spring to have obvious superiority than band B-H loop, magnetic material is better than its lateral performance along the magnetic property of rolling direction, and motor lock in time is to laminate 1/2 of type, is conducive to the flexure gyroscope fast and stable.The present invention is effectively layer gyro machine rotor of a kind of novel spirality magnetic hysteresis alloy, and main purpose is in order to shorten motor lock in time.Such gyro machine rotor has simple in structure, reliable, is applicable to adopt the various dynamically tuned gyro, DTG of hysteresis machine.The maximum characteristics of the present invention are the effective layer of novel spiral type magnetic hysteresis alloy, silk material magnetic hysteresis spring has obvious superiority than band B-H loop, magnetic material is better than its lateral performance along the magnetic property of rolling direction, and motor lock in time is to laminate 1/2 of type, is conducive to the flexure gyroscope fast and stable.It is pioneering that this technology belongs to.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical scheme of invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. a rotor B-H loop, is characterized in that, described B-H loop is structure in the shape of a spiral; Adopt the magnetic hysteresis silk that diameter is Ф 0.8mm, form through rolling, coiling helical annular and heat treatment.
2. rotor B-H loop according to claim 1, is characterized in that, described magnetic hysteresis silk rolling thickness is 0.5 ~ 0.6mm.
3. the processing method of a rotor B-H loop comprises following processing step:
1) the magnetic hysteresis silk of Ф 0.8 mm being rolled into to thickness is 0.5 ~ 0.6mm magnetic hysteresis bar;
2) press the rotor liner size and make the coiling mandrel;
3) by the magnetic hysteresis filament winding on mandrel, heat-treat after fixing; Heat treated condition is: vacuum tempering, and the temperature of vacuum tempering is 500 ℃ ~ 620 ℃;
4) by the cutting of dimensional requirement line.
4. a hysteresis gyro motor rotor, is characterized in that, comprises rotor B-H loop as claimed in claim 1 (2), and it is upper that described rotor B-H loop (2) is sheathed on rotor lining (1), by back-up ring (3), located.
5. hysteresis gyro motor rotor according to claim 1, it is characterized in that, described rotor lining (1) one end periphery is provided with scrobicular ring, described rotor B-H loop (2) is positioned at scrobicular ring, described rotor B-H loop (2) one ends push against the scrobicular ring afterbody, and the other end is pushed against by back-up ring (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310448310.5A CN103501064A (en) | 2013-09-27 | 2013-09-27 | Rotor magnetic hysteresis loop and magnetic hysteresis gyro motor rotor with rotor magnetic hysteresis loop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310448310.5A CN103501064A (en) | 2013-09-27 | 2013-09-27 | Rotor magnetic hysteresis loop and magnetic hysteresis gyro motor rotor with rotor magnetic hysteresis loop |
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| CN103501064A true CN103501064A (en) | 2014-01-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947404A (en) * | 2017-12-26 | 2018-04-20 | 陕西航天时代导航设备有限公司 | A kind of hysteresis synchronous motor rotor and preparation method thereof |
| US10177627B2 (en) | 2015-08-06 | 2019-01-08 | Massachusetts Institute Of Technology | Homopolar, flux-biased hysteresis bearingless motor |
| US10833570B2 (en) | 2017-12-22 | 2020-11-10 | Massachusetts Institute Of Technology | Homopolar bearingless slice motors |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810085A (en) * | 1955-01-31 | 1957-10-15 | Gen Electric | Hysteresis motors |
| CN1715698A (en) * | 2004-06-29 | 2006-01-04 | 山内株式会社 | Torque limitor |
| CN101230412A (en) * | 2008-01-21 | 2008-07-30 | 中国航天时代电子公司七一○七厂 | Magnetic hysteresis alloy stress heat-treatment method and special assembly thereof |
| JP2010133463A (en) * | 2008-12-03 | 2010-06-17 | Nec Tokin Corp | Hysteresis plate |
-
2013
- 2013-09-27 CN CN201310448310.5A patent/CN103501064A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810085A (en) * | 1955-01-31 | 1957-10-15 | Gen Electric | Hysteresis motors |
| CN1715698A (en) * | 2004-06-29 | 2006-01-04 | 山内株式会社 | Torque limitor |
| CN101230412A (en) * | 2008-01-21 | 2008-07-30 | 中国航天时代电子公司七一○七厂 | Magnetic hysteresis alloy stress heat-treatment method and special assembly thereof |
| JP2010133463A (en) * | 2008-12-03 | 2010-06-17 | Nec Tokin Corp | Hysteresis plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10177627B2 (en) | 2015-08-06 | 2019-01-08 | Massachusetts Institute Of Technology | Homopolar, flux-biased hysteresis bearingless motor |
| US10833570B2 (en) | 2017-12-22 | 2020-11-10 | Massachusetts Institute Of Technology | Homopolar bearingless slice motors |
| CN107947404A (en) * | 2017-12-26 | 2018-04-20 | 陕西航天时代导航设备有限公司 | A kind of hysteresis synchronous motor rotor and preparation method thereof |
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Application publication date: 20140108 |