WO2014161254A1 - 一种旋转磁传动的结构 - Google Patents

一种旋转磁传动的结构 Download PDF

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Publication number
WO2014161254A1
WO2014161254A1 PCT/CN2013/080353 CN2013080353W WO2014161254A1 WO 2014161254 A1 WO2014161254 A1 WO 2014161254A1 CN 2013080353 W CN2013080353 W CN 2013080353W WO 2014161254 A1 WO2014161254 A1 WO 2014161254A1
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Prior art keywords
magnetic
transmission
radial
magnetic field
rotary
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PCT/CN2013/080353
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English (en)
French (fr)
Inventor
王仲明
Original Assignee
Wang Zhongming
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Application filed by Wang Zhongming filed Critical Wang Zhongming
Priority to US14/778,645 priority Critical patent/US10367392B2/en
Publication of WO2014161254A1 publication Critical patent/WO2014161254A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact

Definitions

  • the invention relates to a structure of a rotary magnetic transmission, in particular to a structure of a rotary magnetic transmission in which a large torque and a low speed stable transmission are performed at a distance from a double parallel axis.
  • a structure of a rotary magnetic transmission in which a large torque and a low speed stable transmission are performed at a distance from a double parallel axis.
  • the magnetic transmission structure is described in the name "MAGNETIC TRANSMISSION FOR AN ADJUSTABLE CURTAIN DISPOSED IN A DOUBLE PANE WIND0W". From the actual use effect, since the magnetic directions of the two single cylindrical magnetic members are all radial, two transmissions from zero to the maximum torque will occur when the rotary transmission is one revolution, resulting in a large runout during transmission. This phenomenon is particularly noticeable in low-speed and high-torque transmissions, which limits its application range. Later, in order to avoid this defect, the Chinese patent application 201020275394.
  • the radial magnetic field directions of the two coaxial magnetic members are all expanded at an angle of more than 60 degrees and less than 90 degrees, and the first magnetic members of the A-axis and the B-axis
  • the radial magnetic field direction of the second magnetic member of the two shafts is opposite to the radial magnetic field of the first magnetic member of the coaxial.
  • the transmission mode of the two magnetic members on the two axes with different radial magnetic field expansion angles that is, on two parallel A-axis and B-axis transmission shafts, wherein two axial magnetic fields are fixed on the A-axis.
  • the magnetic member, the radial magnetic field of the two magnetic members is between 60 degrees and 75 degrees perpendicular to the axis, and the B-axis is fixed corresponding to the two magnetic members, and the radial magnetic field of the two magnetic members is expanded at an angle of Between 75 degrees and 90 degrees, the angular direction of the radial magnetic field of the two magnetic members of the B-axis is opposite to the direction of the radial magnetic field of the two magnetic members of the A-axis. Therefore, the influence of the radial magnetic field peak value on the rotary transmission can be better reduced, and the transmission can be made smooth when the rotary transmission is not in contact.
  • the two magnetic members on the two axes have the same radial magnetic field expansion angle, that is, on two parallel A-axis and B-axis transmission shafts, wherein two magnetic members are fixed on the A-axis, and the radial direction thereof The direction of the magnetic field of the magnetic field is clockwise expanded by an angle greater than 60 degrees and less than 90 degrees.
  • Two corresponding magnetic members are fixed on the B-axis, and the radial magnetic
  • the direction of the magnetic field of the field is counterclockwise and the angle of the magnetic field of the radial magnetic field on the A-axis is the same, so that the influence of the radial magnetic field peak on the rotating transmission can be better, and the transmission is smoothed when the rotating transmission is not in contact. .
  • the invention has the beneficial effects that the structure can not only realize the smooth rotation transmission, but also achieve the purpose of large torque stable transmission in a narrow and narrow space by adding a plurality of parallel connections.
  • a distance is separated between each of the magnetic members;
  • the spacer added between each of the magnetic members is a non-magnetic material; wherein: the magnetic member can be mounted on the inner sleeve of the inner polygon;
  • the magnetic parts can be mounted on the polygonal shaft.
  • Figure 1 is a diagram showing the basic structure of the present invention.
  • a first magnetic member having a radial magnetic field on the B-axis, a second magnetic member having a radial magnetic field on the B-axis, and an arrow on the magnetic member is a magnetic field direction of the radial magnetic field.
  • a first magnetic member 2 having a radial magnetic field is fixed on the transmission shaft A1, and a second magnetic member 3 having a radial magnetic field is fixed at a distance, wherein the second magnetic member
  • the direction of the radial magnetic field of 3 is 60 degrees counterclockwise with the direction of the radial magnetic field of the first magnetic member 2.
  • a first magnetic member 2 having a radial magnetic field is fixed on the transmission shaft A1, and a second magnetic member 3 having a radial magnetic field is fixed at a distance, wherein the radial magnetic field of the second magnetic member 3
  • the direction of the radial magnetic field directed to the first magnetic member 2 is unfolded 60 degrees counterclockwise.
  • a first magnetic member 5 having a radial magnetic field is fixedly disposed on the transmission shaft B4, and a second magnetic member 6 having a radial magnetic field is fixed at a distance, wherein the diameter of the second magnetic member 6
  • the direction of the magnetic field is 90 degrees clockwise from the direction of the radial magnetic field of the first magnetic member 5.
  • the two transmission shafts A and B maintain a certain distance in parallel. Regardless of the rotation of the A-axis or the B-axis, under the action of the magnetic force, the other shaft can be smoothly rotated synchronously to achieve the purpose of the rotary transmission.
  • such a rotating magnetic transmission structure can provide a good rotating torque by a certain distance, and thus has a good application prospect in some cases where direct transmission cannot be directly performed, for example, in controlling various curtains in the insulating glass, It can be applied in the chemical and other fields of the corresponding contactless rotary drive control.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

一种传动平稳的旋转磁传动结构，在A、B两条平行轴（1，4）的每根轴上固设两个具有径向磁场的磁性件（2，3，5，6），两个同轴的磁性件（2，3，5，6）的径向磁场方向都是以大于60度、小于90度的夹角展开，以A轴（1）与B轴（4）的第一块磁性件（2，5）为基准，两轴中的第二块磁性件（3，6）的径向磁场方向与同轴的第一块磁性件（2，3）的径向磁场方向的夹角的展开方向相反。这种结构可以使双轴（1，4）之间的磁性件（2，3，5，6）磁场两极的峰值影响明显降低，在不接触的旋转传动时使传动平稳。在实际使用中，这类旋转磁传动结构隔开一定距离能提供较好旋转扭矩，因而在一些不能直接传动的场合下具有较好的应用前景，例如在对中空玻璃内各种窗帘的控制，在化工和其它一些领域相应无接触旋转传动控制方面均能得到应用。

Description

一种旋转磁传动的结构
技术领域
本发明涉及一种旋转磁传动的结构，特别是间隔一定距离双平行轴进行较大扭矩低 速稳定传动的一种旋转磁传动的结构。 背景技术 目前， 在很多领域使用都使用磁传动来进行不接触传动。 在这些磁传动的结构中， 其中有一种为旋转磁场类， 即通过两个柱形磁性件隔开一定距离平行旋转磁传动， 在中 国专利 001184423，名称为：《中空或双层玻璃内可调窗帘的磁性传动系统的制作方法》， 美国专利号 US6, 837, 295。名称为《MAGNETIC TRANSMISSION FOR AN ADJUSTABLE CURTAIN DISPOSED IN A DOUBLE PANE WIND0W》 都介绍了这类磁传动结构。 从实际使用效果来看， 由于两个单个柱形磁性件的磁场方向均为径向，旋转传动一周时会出现两个周期从零到 最大扭矩的传动， 导致传动时会有出现较大的跳动， 这种现象在低速大扭矩传动时尤为 明显， 限制了其应用范围。后来，为了避免这一缺陷，在中国专利申请 201020275394. 9， 名称为《一类旋转磁传动结构》提出了由多个具有径向磁场组成的磁传动组， 并且每个 磁铁的磁场方向与同轴相邻磁铁的磁场方向展开 45度到 60度。此结构经实用证明， 在 传动中还是存在一些不稳定的抖动现象。 发明内容 为克服现有这种平行旋转磁传动结构在传动产生的不稳定现象， 本发明提出另一 种传动平稳的旋转磁传动结构， 即在 A、 B两条平行轴上， 每根轴上固设两个具有径向 磁场的磁性件， 这两个同轴的磁性件的径向磁场方向都是以大于 60度、 小于 90度的 夹角展开， 以 A轴与 B轴的第一块磁性件为基准， 两轴中的第二块磁性件的径向磁场 方向与同轴的第一块磁性件的径向磁场夹角展开方向相反。 这种结构可以使双轴之间 的磁性件磁场两极的峰值影响明显降低， 在不接触的旋转传动时使传动平稳。
本发明解决其技术问题所采用的技术方案包括以下两种基本结构：
1、两轴上的两磁性件径向磁场展开角度不相同的传动方式， 即在两根平行排列的 A轴和 B轴传动轴上， 其中 A轴上固设有两个具有径向磁场的磁性件， 这两磁性件的径 向磁场在垂直于轴线展开夹角在 60度到 75度之间， B轴固设相对应两个磁性件， 这两 磁性件的径向磁场展开夹角在 75度到 90度之间， B轴两磁性件径向磁场展开的夹角方 向与 A轴两磁性件径向磁场展开的夹角方向正好相反。 从而能较好的降低径向磁场峰 值对旋转传动的影响， 在不接触的旋转传动时使传动平稳。
2、 两轴上的两磁性件径向磁场展开角度相同的传动方式， 即在两根平行排列的 A 轴和 B轴传动轴上， 其中 A轴上固设有两个磁性件， 其径向磁场的磁场方向顺时针展 开大于 60度小于 90角度的之间某个角度， B轴上固设有两个相应的磁性件， 其径向磁 场的磁场方向逆时针展开与 A轴上径向磁场的磁场展开方向的夹角角度相同， 从而能 较好的降低径向磁场峰值对旋转传动的影响， 在不接触的旋转传动时使传动平稳。 本发明的有益效果是， 这种结构不仅能实现平稳旋转传动， 同时通过增加多组并 联的方式， 实现在窄小狭长的空间内进行较大扭矩稳定传动的目的。 其中： 由于传动轴上固定的每个磁性件的径向磁场磁力方向与相邻的磁性件的磁 力方向均不相同， 为了减少磁力的相互干扰， 在每个磁性件之间隔开一定距离； 其中： 在每个磁性件之间添加的间隔物为非磁性物； 其中： 磁性件可以安装在内多边形的轴套筒上；
其中： 磁性件可以安装在多边形转轴上。
附图说明 下面结合附图对本发明进一步说明。 图 1是本发明的一种基本结构图。 图 1中, 1、 A传动轴， 2、 A轴上具有径向磁场的第一个磁性件， 3、 A轴上具有径向 磁场的第二个磁性件， 4、 B传动轴， 5、 B轴上具有径向磁场的第一个磁性件， 6、 B轴 上具有径向磁场的第二个磁性件，磁性件上的箭头为径向磁场的磁场方向。
具体实施方式 在图 1中， 传动轴 A1上固设有具有径向磁场的第一个磁性件 2， 隔开一定距离上 固设有具有径向磁场的第二个磁性件 3，其中第二个磁性件 3的径向磁场的指向与第一 个磁性件 2的径向磁场的指向逆时针展开 60度。 传动轴 A1上固设有具有径向磁场的 第一个磁性件 2， 隔开一定距离上固设有具有径向磁场的第二个磁性件 3， 其中第二个 磁性件 3的径向磁场的指向与第一个磁性件 2的径向磁场的指向逆时针展开 60度。 传 动轴 B4上相应的固设有具有径向磁场的第一个磁性件 5， 隔开一定距离上固设有具有 径向磁场的第二个磁性件 6， 其中第二个磁性件 6的径向磁场的指向与第一个磁性件 5 的径向磁场的指向顺时针展开 90度。
工作时， A、 B两传动轴平行保持一定距离， 不管驱动 A轴或 B轴旋转， 在磁力的 作用下， 均可带动另一轴平稳同步旋转， 达到旋转传动的目的。
在实际使用中， 这类旋转磁传动结构隔开一定距离能提供较好旋转扭矩， 因而在 一些不能直接传动的场合下具有较好的应用前景， 例如在对中空玻璃内各种窗帘的控 制， 在化工和其它一些领域相应无接触旋转传动控制方面均能得到应用。

Claims

权 利 要 求 书
1. 一种旋转磁传动的结构， 在 、 B两条平行轴上， 每根轴上固设两个具有径向磁场 的磁性件， 其特征在于： 两个同轴的磁性件的径向磁场方向都是以大于 60度、 小 于 90度的夹角展开， 以两轴的第一块磁性件为基准， 两轴中的第二块磁性件的径 向磁场方向与同轴的第一块磁性件的径向磁场夹角展开方向相反。
2. 根据权利要求 1所述一种旋转磁传动的结构， 其特征在于： 两轴上的两磁性件径 向磁场展开角度不相同。
3. 根据权利要求 1所述一种旋转磁传动的结构， 其特征在于： 两轴上的两磁性件径 向磁场展开角度相同。
4. 根据权利要求 1所述一种旋转磁传动的结构， 其特征在于： 在每个磁性件之间隔 开一定距离。
5. 根据权利要求 1所述一种旋转磁传动的结构， 其特征在于： 磁性件可以安装在内 多边形的轴套筒上。
6. 根据权利要求 1所述一种旋转磁传动的结构， 其特征在于： 磁性件可以安装在多 边形转轴上。
PCT/CN2013/080353 2013-04-01 2013-07-29 一种旋转磁传动的结构 WO2014161254A1 (zh)

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US10367392B2 (en) 2019-07-30
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