WO2016029408A1 - 磁钢体组件 - Google Patents

磁钢体组件 Download PDF

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Publication number
WO2016029408A1
WO2016029408A1 PCT/CN2014/085432 CN2014085432W WO2016029408A1 WO 2016029408 A1 WO2016029408 A1 WO 2016029408A1 CN 2014085432 W CN2014085432 W CN 2014085432W WO 2016029408 A1 WO2016029408 A1 WO 2016029408A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
magnet
body assembly
fixing member
magnetizer
Prior art date
Application number
PCT/CN2014/085432
Other languages
English (en)
French (fr)
Inventor
龚蜀刚
胡世伟
陈亚萍
赵计高
李昌良
Original Assignee
深圳市智旵振动机械有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市智旵振动机械有限公司 filed Critical 深圳市智旵振动机械有限公司
Priority to CN201480081207.4A priority Critical patent/CN106663515A/zh
Priority to US15/505,584 priority patent/US20170279321A1/en
Priority to KR1020177005481A priority patent/KR20170046670A/ko
Priority to EP14900473.1A priority patent/EP3188200A4/en
Priority to JP2017530372A priority patent/JP2017527255A/ja
Priority to PCT/CN2014/085432 priority patent/WO2016029408A1/zh
Publication of WO2016029408A1 publication Critical patent/WO2016029408A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0247—Orientating, locating, transporting arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets

Definitions

  • the invention relates to the technical field of magnetic steel structures, and in particular to a magnetic steel body assembly.
  • the permanent magnet motor is excited by a permanent magnet material.
  • the permanent magnet motor can be one or two smaller than the conventional motor, the volumetric weight advantage is obvious, the motor efficiency is high, and the market potential is huge.
  • the existing magnetic steel structure generally adopts a fixed method of bonding multiple magnetic steels.
  • the magnetic steel structure fixed by this method may cause uneven magnetic field strength and dissimilarity after magnetization, when the magnetic steel structure is applied to the sensor. Will affect the reliability, sensitivity, and even the ability to transmit information.
  • the magnetic steel ring body is currently produced, it is limited by the large/small or complex multi-curved body, and is not easy to be magnetized or even magnetized.
  • the object of the present invention is to provide a magnetic steel body assembly, which aims to solve the prior art, the conventional magnetic steel body assembly adopts a plurality of magnetic steel bonding fixing manners, so that the magnetic field strength after magnetization is not uniform, and the inconvenience is charged. Magnetic, even unable to magnetize the problem.
  • the present invention is achieved by a magnetic steel body assembly including a first and second magnetized magnets, and a plurality of magnetic steels, between which the first and second magnets are disposed Fixing the fixing member of the magnetic steel, and the fixing member has a magnetic field property, and the first magnetizer, the fixing member and the second magnetizer are sequentially stacked, and the plurality of the magnets are fixed to
  • the fixing member is evenly spaced;
  • the magnetic steel is a cylinder having an N magnetic pole and an S magnetic pole, and the N magnetic pole and the S magnetic pole of the magnetic steel are oppositely arranged on a plane of the central axis of the magnetic steel cylinder. On both sides.
  • each of the magnetic steels are all close to and facing the first conductive magnet side, and the N magnetic poles of each of the magnetic steels are close to each other and are opposite to the side of the second magnetic conductor; or, each The S magnetic poles of the magnetic steel are all close to and facing the side of the second magnetizer, and the N magnetic poles of each of the magnetic steels are both close to and facing the side of the first magnetizer.
  • the magnetic steel is a cylindrical structure or a square cylinder structure.
  • the fixing member is provided with a plurality of fixing grooves for fixing the magnetic steel, and a plurality of the fixing grooves are evenly spaced apart in the fixing member, and each of the magnetic steels is correspondingly fixed to In each of the fixing grooves.
  • the first magnetizer and the second magnetizer are annular, the first magnetizer is placed in a ring of the second magnetizer, and the fixing member is placed in the first guide The magnet and the second magnetizer are stacked in an annular gap formed.
  • the fixing member is an annular structure adapted to the annular gap.
  • the first magnetizer and the second magnetizer are in an arc shape
  • the fixing member is disposed in an arc gap formed by laminating the first magnetizer and the second magnetizer.
  • the fixing member is an arc structure adapted to the arc gap.
  • the magnetic steel body assembly Compared with the prior art, the magnetic steel body assembly provided by the present invention designs the magnetic steel into a cylindrical structure, and arranges the N magnetic pole and the S magnetic pole opposite to each other on the plane of the central axis of the cylinder, and then multiple The magnetic steel is uniformly spaced in the fixing member, so that the magnetic steel is convenient for magnetization, and the magnetic field strength after magnetization is uniform, and also has high remanence, high coercive force and high magnetic energy product, thereby improving the magnetic steel body assembly. Stability and sensitivity.
  • FIG. 1 is a schematic exploded view of a ring-shaped magnetic steel body assembly according to an embodiment of the present invention
  • FIG. 2 is a perspective view of a ring-shaped magnetic steel body assembly according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view of a magnetically magnetized magnetic steel according to an embodiment of the present invention.
  • FIG. 4 is a perspective view showing a curved arc-shaped magnetic steel body assembly according to an embodiment of the present invention.
  • FIG. 5 is a schematic view showing a magnetic steel layout of an annular magnetic steel body assembly according to an embodiment of the present invention
  • Figure 6 is an enlarged schematic view of a portion A of Figure 5;
  • FIG. 7 is a schematic view showing a magnetic steel body assembly applied to a multi-phase switching reluctance motor according to an embodiment of the present invention
  • Figure 8 is a cross-sectional view showing a ring-shaped magnetic steel body assembly according to an embodiment of the present invention.
  • FIG. 9 is a schematic view showing a magnet body assembly in which different shapes of black iron are embedded in other embodiments of the present invention.
  • the magnetic steel body assembly proposed in this embodiment includes a first magnet, a second magnet 2, a fixing member 4 and a plurality of magnetic steels 3, wherein the first and second magnets 1 and 2 have magnetic permeability
  • the fixing member 4 has a magnetic field, the fixing member 4 is fixedly disposed between the first and second second magnets 1 and 2, and the first, second, and second magnets 2 are sequentially stacked.
  • a plurality of magnetic steels 3 are fixedly mounted in the fixing member 4, and a plurality of magnetic steels 3 are evenly spaced in the fixing member 4, and the central axis of each of the magnetic steels 3 and the first and second magnets 1 and 2 are The central axis is parallel; in addition, referring to FIG.
  • the magnetic steel 3 is a cylinder having N magnetic poles and S magnetic poles.
  • the plane where the central axis of the magnetic steel 3 cylinder is located is the interface between the N magnetic poles and the S magnetic poles, that is, magnetic
  • the N magnetic pole and the S magnetic pole of the steel 3 are directly distributed on both sides of the interface, and one side of the interface of the cylinder is an N magnetic pole, and the opposite side is an S magnetic pole.
  • the above magnetic steel body assembly has the following features:
  • the magnetic steel 3 is designed as a cylindrical structure, and the N magnetic pole and the S magnetic pole are directly oppositely distributed on both sides of the plane of the central axis of the magnetic steel 3, and the plane is an N magnetic pole. And an interface of the S magnetic pole, that is, N magnetic poles and S magnetic poles on both sides of the interface, respectively, and a plurality of such magnetic steels 3 are evenly spaced in the fixing member 4, so that the magnetic steel body assembly
  • the magnetic steel 3 is convenient for magnetization and has a uniform magnetic field strength after magnetization.
  • the magnetic steel body assembly also has high remanence, high coercive force and high magnetic energy product, which improves the stability and sensitivity when applied to the sensor. And the ability to pass information.
  • the S magnetic poles of the respective magnets 3 are uniformly adjacent to each other and disposed on one side of the first magnetizer 1, and at the same time, the respective magnets
  • the N magnetic poles of the steel 3 are uniformly disposed adjacent to and facing the one side of the second magnetizer 2, since the first magnetizer 1 and the second magnetizer 2 are magnetically guided, and the fixing member 4 is magnetized, so that after magnetization, The first magnet 1 becomes the S pole of the entire magnet body assembly, and the second magnet 2 becomes the N pole of the entire magnet body assembly;
  • the S magnetic poles of the respective magnets 3 are uniformly adjacent to each other and disposed on one side of the second magnetizer 2, and at the same time, the N magnetic poles of the respective magnets 3 are uniformly adjacent to and facing the side of the first magnetizer 1 Arrangement, since the first magnet 1 and the second magnet 2 are magnetically guided, and the fixing member 4 is magnetized, so that after magnetization, the second magnet 2 becomes the S magnetic pole of the entire magnet body assembly, first The magnetizer 1 becomes the N pole of the entire magnet body assembly.
  • the first magnetic conductor 1 and the second magnetic conductor 2 as the two magnetic poles of the entire magnetic steel body assembly ensure the uniformity and sensitivity of the magnetic field strength with a circular geometry, and can be in any circular geometric shape. It is well used in automatic adjustment control devices.
  • the magnetic steel 3 is a cylindrical structure.
  • the magnetic steel 3 may also be a cylindrical structure of other shapes, such as a square cylinder or the like.
  • the fixing member 4 is provided with a plurality of fixing grooves 41 for accommodating the magnetic steel 3.
  • the number of the fixing grooves 41 is the same as the number of the magnetic steels 3 described above.
  • a plurality of fixing grooves 41 are arranged along the longitudinal direction of the fixing member 4, and the respective fixing grooves 41 are evenly spaced from each other, and the respective magnetic steels 3 are fixed in the corresponding fixing grooves 41, which corresponds to the plurality of fixing members 4
  • the magnets 3 are evenly stringed together to form two pole faces.
  • the first magnet 1 and the second magnet 2 are annular structures, and the diameter of the first magnet 1 is smaller than the diameter of the second magnet 2, and the first guide
  • the magnet 1 is disposed in the ring of the second magnetizer 2, of course, the two are stacked and in the same plane, and the fixing member 4 is fixedly disposed in the annular gap formed between the first magnetizer 1 and the second magnetizer 2
  • the first magnet 1 and the second magnet 2 may have other shapes, and are not limited to such a ring structure.
  • the fixing member 4 is an annular structure adapted to an annular gap formed between the first magnetizer 1 and the second magnet 2, and the two sidewalls of the fixing member 4 are The inner walls of the first and second magnets 2 and 2 are respectively formed into a single body.
  • the fixing member 4 may have other shapes according to actual conditions and needs.
  • the corresponding magnetic body is placed on the tooling mold 5 for fabricating the magnetic steel body assembly.
  • the second magnetic steel 51 of the steel 3 filled with the magnetic field strength is placed in front of the beer magnetic steel, so that each magnetic steel 3 is placed stably, and the magnetic field formed by each of the magnetic steels 3 and the plurality of magnetic steels 3 is ensured.
  • the center line of the circle of the steel ring is perpendicular.
  • the interface is the surface formed by the boundary between the N magnetic pole and the S magnetic pole of the magnetic steel 3, ensuring that the interface line is the tangent of the circle of the magnetic steel ring, so that when magnetic induction is applied
  • the second magnetic steel 51 acts on the magnetic steel 3 without the magnetic field
  • the strong magnetic lines of force generated by the magnetic steel rings formed by all the second magnetic steels 51 point to the center of the circle of the circular circle, thereby charging the magnetic steel body assembly.
  • the magnetic field is more uniform and concentric.
  • the layout of the magnetic steel 3 is set, which solves the problem that the current magnetic steel ring body is limited by large/small or complicated multi-curved body, and is not convenient for magnetization or magnetization.
  • this embodiment The magnet body assembly in the embodiment is very feasible in the starting and speed adjustment of the multi-phase switched reluctance motor.
  • the first magnet 1 and the second magnet 2 are curved curved structures, and the first magnet 1 is disposed on one side of the second magnet 2, and the two are stacked. And in the same plane, the fixing member 4 is fixedly disposed in the arc gap formed between the first magnetizer 1 and the second magnetizer 2.
  • the first The magnetizer 1 and the second magnetizer 2 described above may also have other shapes and are not limited to the curved structure.
  • the fixing member 4 is a curved curved structure adapted to an arc gap formed between the first magnet 1 and the second magnet 2, and both sides of the fixing member 4
  • the wall is integrally formed with the inner walls of the first and second magnets 1 and 2, respectively.
  • the fixing member 4 may have other shapes.
  • the magnetic steel 3 is made of a neodymium iron boron permanent magnet material, and the first magnetic conductive body 1 and the second magnetic conductive body 2 are made of black iron.
  • the magnetic steel body assembly proposed by the present invention uses a plurality of radially magnetized cylindrical magnets 3 to uniformly arrange the magnetic steels 3 according to a curve to form a magnetic ring or combine into an arbitrary curved shape.
  • the arc-shaped magnetic steel structure, the arc-shaped magnetic steel structure forms two polarities of the curve, and the inner and outer magnetic conductive metal are closely adhered to the curve, that is, the first first magnet 1 and the second magnet 2 are closely attached to each other
  • the inner and outer layers of the curve formed by the magnet steel 3 introduce the magnetic pole into other spaces, and the change of the magnetic pole direction can easily and arbitrarily change the magnetic field strength of the south (S) or north (N).
  • any circle-based The shape is a special case of the present invention.
  • the use of such a unique polarity method is convenient and economical, and can be widely applied to various sensor, instrument, electronic, electromechanical, medical, teaching, automotive, aviation, military and other technical fields, such as motor speed regulation, horn Magnetic steel production and so on
  • the combined and formed integrated magnetic steel body assembly divides the inner and outer two-polar magnetic fields, removes the first first magnet 1 and the second magnet 2, and then inserts different shapes at the two pole positions.
  • the black iron can easily change or adjust the magnetic field strength of the south (S) magnetic pole or the north (N) magnetic pole, making the multiple discrete radial magnetizing magnetic steel integrated fixed structure more efficient and cost-effective. low.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Synchronous Machinery (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

一种磁钢体组件，包括导磁的第一导磁体（1）、第二导磁体（2）和多个磁钢（3），第一导磁体（1）和所述第二导磁体（2）之间设置有用于固定磁钢（3）的绝磁的固定件（4），第一导磁体（1）、固定件（4）和第二导磁体（2）依序层叠设置，多个磁钢（3）呈均匀间隔分布地固定于固定件（4）中；磁钢（3）为具有N磁极和S磁极的柱体，且磁钢（3）的N磁极和S磁极相对布置于磁钢（3）柱体中轴线所在平面的两侧。该磁钢体组件使得磁钢充磁方便，且充磁后的磁场强度均匀；该磁钢体组件还具有高剩磁、高矫顽力和高磁能积，提高了其稳定性和灵敏度。

Description

磁钢体组件 技术领域
本发明涉及磁钢结构的技术领域，尤其涉及一种磁钢体组件。
 背景技术
我国稀土资源丰富，永磁材料的性价比不断提高，尤其是钕铁硼永磁材料的快速发展，为永磁电机、喇叭磁钢的市场化提供了支撑。例如，永磁电机采用永磁材料励磁，在具有同等性能的条件下永磁电机可比常规电机小一至两个机座号，体积重量优势明显，电机效率高，其市场潜力巨大。现有磁钢结构一般采用多块磁钢粘结的固定方式，采用该方式固定的磁钢结构在充磁后，可能导致磁场强度不均匀、不同心，当该磁钢结构应用于传感器中时，会影响传感器的可靠性、灵敏度，甚至无法传递信息。另外，目前制作磁钢环体时，会受大/小或复杂多曲面体的局限而不便于充磁，甚至无法充磁。
 技术问题
本发明的目的在于提供一种磁钢体组件，旨在解决现有技术中，传统磁钢体组件采用多块磁钢粘结的固定方式，使得充磁后磁场强度不均匀，且其不便充磁，甚至无法充磁的问题。
 技术解决方案
本发明是这样实现的，磁钢体组件，包括导磁的第一导磁体和第二导磁体，以及多个磁钢，所述第一导磁体和所述第二导磁体之间设置有用于固定所述磁钢的固定件，且所述固定件具有绝磁性能，所述第一导磁体、所述固定件和所述第二导磁体依序层叠设置，多个所述磁钢固定于所述固定件中呈均匀间隔分布；所述磁钢为具有N磁极和S磁极的柱体，且所述磁钢的N磁极和S磁极相对布置于所述磁钢柱体的中轴线所在平面的两侧。
进一步地，各个所述磁钢的S磁极均靠近并正对于所述第一导磁体一侧，各个所述磁钢的N磁极均靠近并正对于所述第二导磁体一侧；或者，各个所述磁钢的S磁极均靠近并正对于所述第二导磁体一侧，各个所述磁钢的N磁极均靠近并正对于所述第一导磁体一侧。
进一步地，所述磁钢为圆柱体结构，或者为方柱体结构。
更进一步地，所述固定件上开设有多个用于固定所述磁钢的固定槽，且多个所述固定槽于所述固定件中呈均匀间隔分布，各个所述磁钢对应固定于各个所述固定槽中。
优选地，所述第一导磁体和所述第二导磁体呈圆环状，所述第一导磁体置于所述第二导磁体的环内，所述固定件置于所述第一导磁体和所述第二导磁体层叠形成的环形间隙内。
进一步地，所述固定件为适配于所述环形间隙的环状结构。
优选地，所述第一导磁体和所述第二导磁体呈弧形状，所述固定件设置于所述第一导磁体和所述第二导磁体层叠形成的弧形间隙内。
进一步地，所述固定件为适配于所述弧形间隙的弧形结构。
 有益效果
与现有技术相比，本发明提供的磁钢体组件，将磁钢设计为柱体结构，并将其N磁极和S磁极相对布置于柱体中轴线所在平面的两侧，再将多个磁钢均匀间隔地固定在固定件中，这样使得磁钢充磁方便，且充磁后的磁场强度均匀，还具有高剩磁、高矫顽力和高磁能积，提高了该磁钢体组件的稳定性和灵敏度。
 附图说明
图1为本发明实施例中环状的磁钢体组件的爆炸示意图；
图2为本发明实施例中环状的磁钢体组件的立体示意图；
图3为本发明实施例中径向充磁的磁钢结构示意图；
图4为本发明实施例中曲面弧形状的磁钢体组件的立体示意图；
图5为本发明实施例中环状磁钢体组件的磁钢布局置位的示意图；
图6为图5中A部分的放大示意图；
图7为本发明实施例中磁钢体组件应用于多相级开关磁阻电机示意图；
图8为本发明实施例中环状的磁钢体组件的剖面示意图；
图9为本发明其他实施例中镶嵌不同形状玄铁的磁钢体组件示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
以下结合具体实施例对本发明的实现进行详细的描述。
如图1~9所示，为本发明提供的较佳实施例。
本实施例提出的磁钢体组件，包括第一导磁体1、第二导磁体2、固定件4以及多个磁钢3，其中，第一导磁体1和第二导磁体2具有导磁性能，固定件4具有绝磁性能，固定件4固定设置在第一导磁体1和第二导磁体2之间，且第一导磁体1、固定件4和第二导磁体2依序层叠设置，多个磁钢3均固定安装在固定件4中，且多个磁钢3在该固定件4中呈均匀间隔分布，各个磁钢3的中轴线与第一导磁体1和第二导磁体2的中轴线平行；另外，参照图3，磁钢3为具有N磁极和S磁极的柱体，这里，磁钢3柱体的中轴线所在的平面为N磁极和S磁极的分界面，即磁钢3的N磁极和S磁极正对分布在该分界面的两侧，柱体的分界面的一侧为N磁极，对面侧为S磁极。
采用上述的磁钢体组件，具有如下特点：
本实施例提出的磁钢体组件，将上述磁钢3设计为柱体结构，并将其N磁极和S磁极正对分布在该磁钢3中轴线所在平面的两侧，该平面为N磁极和S磁极的分界面，即该分界面的两侧分别为N磁极和S磁极，并将多个这样的磁钢3均匀间隔地固定在上述固定件4中，使得该磁钢体组件中的磁钢3充磁方便，且充磁后的磁场强度均匀，该磁钢体组件还具有高剩磁、高矫顽力和高磁能积，提高了其应用于传感器中时的稳定性和灵敏度，以及传递信息的能力。
本实施例中，当多个上述磁钢3固定在上述固定件4中时，上述各个磁钢3的S磁极统一靠近并正对上述第一导磁体1的一侧布置，同时，上述各个磁钢3的N磁极统一靠近并正对上述第二导磁体2的一侧布置，由于第一导磁体1和第二导磁体2导磁，且固定件4绝磁，这样，在充磁后，第一导磁体1变为整个磁钢体组件的S磁极，第二导磁体2变为整个磁钢体组件的N磁极；
或者，上述各个磁钢3的S磁极统一靠近并正对上述第二导磁体2的一侧布置，同时，上述各个磁钢3的N磁极统一靠近并正对上述第一导磁体1的一侧布置，由于第一导磁体1和第二导磁体2导磁，且固定件4绝磁，这样，在充磁后，使得第二导磁体2变为整个磁钢体组件的S磁极，第一导磁体1变为整个磁钢体组件的N磁极。
上述第一导磁体1和上述第二导磁体2作为整个磁钢体组件的两个磁极，保证了具有圆几何形状的磁场强度的均匀性、敏感性，它可在任意有圆的几何形状的自动化调节控制装置中得到很好应用。
本实施例中，上述磁钢3为圆柱体结构，当然，根据实际情况和需求，在其他实施例中，上述磁钢3也可以为其他形状的柱体结构，比如方柱体等等。
进一步地，本实施例中，上述固定件4上开设有多个用于容置上述磁钢3的固定槽41，此处，固定槽41的数量与上述磁钢3的数量相同。这里，多个固定槽41沿固定件4的长度方向排布，且各个固定槽41之间相互均匀间隔，各个磁钢3固定在对应的固定槽41中，相当于，固定件4将多个磁钢3均匀地串在一起而形成了两个磁极面。
参照图1、2，作为一种实施方式：上述第一导磁体1和上述第二导磁体2为圆环状结构，第一导磁体1的直径小于第二导磁体2的直径，第一导磁体1设置在第二导磁体2的圆环内，当然，两者保持层叠且在同一平面内，上述固定件4固定设置在第一导磁体1和第二导磁体2之间形成的环形间隙内，当然，根据实际情况和需求，在其他实施例中，上述第一导磁体1和上述第二导磁体2也可以为其他形状的结构，并不限于此种环状结构。
进一步地，该实施例中，上述固定件4为适配于上述第一导磁体1和上述第二导磁体2之间所形成的环形间隙的环状结构，且固定件4的两侧壁与第一导磁体1和第二导磁体2的内壁分别贴紧而形成一体，当然，根据实际情况和需求，在其他实施例中，上述固定件4也可以为其他形状的结构。
本实施例中，为了保证上述磁钢3固定在上述固定件4的同心度和磁场强度的均匀性，参照图5、6，在制作磁钢体组件的工装模具5上摆放对应于上述磁钢3的充有磁场强度的第二磁钢51，在啤磁钢前，使每个磁钢3摆放平稳，确保每个磁钢3的分界面都能与多个磁钢3形成的磁钢环圆的中心线相垂直，此处，分界面为磁钢3的N磁极和S磁极的分界线所形成的面，确保分界面线就是磁钢环圆的切线，这样，当带有磁感应的第二磁钢51作用于无磁场的磁钢3时，所有第二磁钢51形成的磁钢环所产生的最强磁力线都指向该环圆的圆中心，从而使磁钢体组件经过充磁后的处理磁场更加均匀、同心。采用此种方式对磁钢3布局置位，解决了目前制作磁钢环体受大/小或复杂多曲面体的局限而不便于充磁或无法充磁的问题，另外，参照图7，本实施例中的磁钢体组件在多相级开关磁阻电机的启动和速度的调节中是非常可行的。
参照图4，作为另一种实施方式：上述第一导磁体1和上述第二导磁体2为曲面弧形结构，第一导磁体1设置在第二导磁体2的一侧，两者层叠设置且位于同一平面内，上述固定件4固定设置在第一导磁体1和第二导磁体2之间形成的弧形间隙内，当然，根据实际情况和需求，在其他实施例中，上述第一导磁体1和上述第二导磁体2也可以为其他形状的结构，并不限于弧形结构。
进一步地，该实施例中，上述固定件4为适配于上述第一导磁体1和上述第二导磁体2之间所形成的弧形间隙的曲面弧形结构，且固定件4的两侧壁与第一导磁体1和第二导磁体2的内壁分别贴紧而形成一体，当然，根据实际情况和需求，在其他实施例中，上述固定件4也可以为其他形状的结构。
本实施例中的磁钢体组件，上述磁钢3采用的是钕铁硼永磁材料，第一导磁体1和第二导磁体2采用的是玄铁。
本发明提出的磁钢体组件，利用多个径向充磁的柱体状磁钢3，把这些磁钢3，按照曲线均匀地固定排布组合，而形成磁环或组合成任意曲线形状的弧面磁钢结构，该弧面磁钢结构形成了曲线的两个极性，再利用内外导磁金属紧贴曲线，即利用上述第一导磁体1和第二导磁体2紧贴在多个磁钢3形成的曲线的内外层，将磁极引入其它空间，而磁极方向的改变就能轻松、任意地改变南（S）或北（N）的磁场强度，此处，以圆为基础的任何形状是本发明的特例。利用这样独特的极性方式，既方便又经济实惠，能够广泛应用于各种传感器、仪表、电子、机电、医疗、教学、汽车、航空、军事等各行业技术领域，比如电机的调速、喇叭磁钢制作等等。
在其他实施例中，参照图9，上述组合成型的一体化磁钢体组件分内心和外部两极性磁场，去掉上述第一导磁体1和上述第二导磁体2，然后在两极位置镶嵌不同形状的玄铁就能任意轻松地改变或者调节南（S）磁极或北（N）磁极的磁场强度，使这种多个离散型径向充磁磁钢一体化固定结构的效率更高，成本更低。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (8)

  1. 磁钢体组件，包括导磁的第一导磁体和第二导磁体，以及多个磁钢，其特征在于，所述第一导磁体和所述第二导磁体之间设置有用于固定所述磁钢的固定件，且所述固定件具有绝磁性能，所述第一导磁体、所述固定件和所述第二导磁体依序层叠设置，多个所述磁钢固定于所述固定件中呈均匀间隔分布；所述磁钢为具有N磁极和S磁极的柱体，且所述磁钢的N磁极和S磁极相对布置于所述磁钢柱体的中轴线所在平面的两侧。
  2. 如权利要求1所述的磁钢体组件，其特征在于，各个所述磁钢的S磁极均靠近并正对于所述第一导磁体一侧，各个所述磁钢的N磁极均靠近并正对于所述第二导磁体一侧；或者，各个所述磁钢的S磁极均靠近并正对于所述第二导磁体一侧，各个所述磁钢的N磁极均靠近并正对于所述第一导磁体一侧。
  3. 如权利要求2所述的磁钢体组件，其特征在于，所述磁钢为圆柱体结构，或者为方柱体结构。
  4. 如权利要求3所述的磁钢体组件，其特征在于，所述固定件上开设有多个用于固定所述磁钢的固定槽，且多个所述固定槽于所述固定件中呈均匀间隔分布，各个所述磁钢对应固定于各个所述固定槽中。
  5. 如权利要求1~4任一项所述的磁钢体组件，其特征在于，所述第一导磁体和所述第二导磁体呈圆环状，所述第一导磁体置于所述第二导磁体的环内，所述固定件置于所述第一导磁体和所述第二导磁体层叠形成的环形间隙内。
  6. 如权利要求5所述的磁钢体组件，其特征在于，所述固定件为适配于所述环形间隙的环状结构。
  7. 如权利要求1~4任一项所述的磁钢体组件，其特征在于，所述第一导磁体和所述第二导磁体呈弧形状，所述固定件设置于所述第一导磁体和所述第二导磁体层叠形成的弧形间隙内。
  8. 如权利要求7所述的磁钢体组件，其特征在于，所述固定件为适配于所述弧形间隙的弧形结构。
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