Outer rotor generator with ox horn type iron core
阅读说明:本技术 具有牛角式铁芯的外转子发电机 (Outer rotor generator with ox horn type iron core ) 是由 黄思伦 于 2018-07-20 设计创作,主要内容包括:具有牛角式铁芯的外转子发电机,包括一沿轴向延伸的枢轴;复数个平行配置的盘式外转子,分别包括一基体及偶数个永久磁铁,基体中心垂直固设于枢轴,且相邻的永久磁铁以同极性相对方式均匀排列,盘式外转子的永久磁铁的相异磁极则彼此相对;栏杆式定子,包括复数个长条状铁芯,分别平行上述轴向均匀排列分布于一个以枢轴为心的圆管,并以两极分别对应前述永久磁铁,铁芯数目大于永久磁铁一倍且低于二倍。(The outer rotor generator with ox horn-type iron core includes axially extending pivot shafts, several parallel disc-type outer rotors including matrix and even permanent magnets, the matrix center is fixed perpendicularly to the pivot shafts, adjacent permanent magnets are arranged homogeneously in the same polarity mode, the different magnetic poles of the permanent magnets in the disc-type outer rotors are opposite to each other, and the rail-type stator includes several long iron cores distributed homogeneously in round tubes around the pivot shafts in parallel with the axial direction and with two poles corresponding to the permanent magnets separately, and the number of iron cores is times greater than that of the permanent magnets and less than twice.)
1, kind of outer rotor generator with ox horn iron core, its characterized in that includes:
at least pivots extending axially along ;
at least two disk outer rotors arranged in parallel, wherein each of the disk outer rotors respectively comprises basal bodies and an even number of permanent magnets, the basal bodies are respectively and fixedly arranged on the pivots in a vertical mode by the symmetrical centers of the basal bodies, the permanent magnets are respectively arranged on the basal bodies in a mode that two magnetic poles are arranged on the basal bodies, the shortest distance point between each of the permanent magnets and the pivot is located on circles with the pivots as circle centers, every two adjacent permanent magnets are connected in series in a mode that the same polarities are in opposite connection and are evenly arranged relative to the pivot, and the same magnetic poles of the permanent magnets of the at least two adjacent disk outer rotors are arranged in opposite mode;
at least groups of stator bars, comprising plural ox horn cores, each of the said cores respectively comprises bodies arranged parallel to each other along the said axial direction, and at least two branch parts approximately orthogonal to the said bodies;
wherein all the bodies are uniformly distributed at round tubes with the pivot as the center, the branch parts of each the iron core are correspondingly adjacent to the iron core through slits, each body of the group of the railing type stators respectively approach the permanent magnets corresponding to the two disk type outer rotors with two poles, the number of the iron cores is more than times and less than twice of the number of the permanent magnets, at least of the branch parts of each the iron core are respectively wound with generating coil windings, and
groups of electric energy recovery circuit for receiving the electric energy generated by the coil winding.
2. The external rotor generator with ox horn core as claimed in claim 1, wherein each of the above-mentioned iron core is made of multiple silicon steel sheets.
3. The external rotor generator with ox horn core of claim 1, wherein the rail stator further comprises non-magnetic conducting stator bases holding the cores.
4. The external rotor generator with a ox horn core of claim 1, wherein the length of the body is not more than 3.5 cm and the overall thickness is not more than 6 cm.
5. The external rotor generator of claim 1, further comprising:
auxiliary disk outer rotors parallel to the disk outer rotors and having the same structure as the disk outer rotors and arranged coaxially, the auxiliary disk outer rotors being disposed outside the two disk outer rotors;
sets an auxiliary rail stator between of the two disk type outer rotors and the auxiliary disk type outer rotor, the auxiliary rail stator and the rail stator are identical in structure and arranged in a common pivot, and the auxiliary rail stator is magnetized by the enabling controller.
6. The external rotor generator with a ox horn core of claim 1 wherein the shortest distance between the body and the adjacent permanent magnet is less than the thickness of the base.
Technical Field
outer disk type generators, especially outer rotor disk type generators with ox horn type iron core.
Background
As shown in fig. 1, a common
conventional disk generator 8, as shown in fig. 2, discloses the structure of the disk outer rotor 81, but does not answer the above mentioned heat and energy dissipation problem properly, besides, the number of the permanent magnets and the coil 83 is not well matched, which also causes the magnetic circuit not to act uniformly, and in each action cycle, it may cause the rotation non-uniform condition with suddenly large output force, especially the closed loop of magnetic force lines, where a large amount of air passes through as the medium, the density of magnetic force lines is dispersed, and the efficiency of generating electric energy is not good.
The problem to be solved by the present invention is how to reduce the gap between the magnetic pole of the permanent magnet and the iron core, and form a proper magnetic circuit to concentrate the magnetic flux in the expected path to avoid the divergence, so as to form an efficient interaction between the generating coil set and the permanent magnet, thereby improving the energy conversion efficiency of the generator.
Disclosure of Invention
The objective of the present invention is to provide external rotor generators with ox horn iron core, which can ensure the effective reduction of air gap and smooth magnetic path by the number ratio of stator iron core and rotor permanent magnet, so as to achieve the effects of reducing heat generation and energy consumption.
Another of the present invention is to provide external rotor generators with oxhorn cores, which utilize the narrow gap between the oxhorn cores to reduce the magnetic resistance, keep the magnetic path smooth, and improve the power generation efficiency.
Another object of the present invention is to provide an outer rotor generator with a ox horn core, in which the stator with a generating coil winding is not covered by the disk outer rotor structure, so that heat dissipation is easy and the lifetime of the generator assembly is extended smoothly.
The present invention also provides objective of providing external rotor generators with oxhorn-type iron cores, wherein sets of railing-type stators are disposed between every two disk-type external rotors disposed in parallel, so that the external disk-type rotors can be extended coaxially to the two outer sides of the external disk-type rotors according to the requirement, thereby achieving the purpose of flexibly meeting the requirements of output torque and installation space without changing the specification design of the generator unit.
The outer rotor generator with ox horn type iron core includes at least pivots extending axially in , at least two disc type outer rotors configured parallel to each other, each including bases and even numbers of permanent magnets, the bases are fixed vertically to the pivots with their symmetrical centers, the permanent magnets are set on the bases with two poles set on the bases, each 2 the permanent magnets and the pivot are located on circles with the pivot as the center, each two adjacent permanent magnets are connected in series with the same polarity and are arranged uniformly relative to the pivots, the same poles of the permanent magnets of the at least two adjacent outer rotors are set opposite to each other, at least sets of rail type stators include a plurality of ox horn type iron cores, each includes bodies arranged parallel to each other along the axial direction, and at least two branch portions approximately orthogonal to the body, wherein all the bodies are distributed uniformly in 897 and 587 sets of permanent magnets are distributed in the circle center, each branch portion of the power generating iron core corresponds to a branch portion of the power generating coil set, each branch portion of the power generating iron core set is larger than the coil set of the power generating iron core, each 3648 is connected to a branch portion of the power generating coil set, each branch portion corresponding to a branch portion of the power generating iron core, each branch portion is larger than the power generating coil of the power generating coil set, and each branch portion of the power generating iron core set, the power generating coil set 3648 branch portion is larger than the power generating coil portion corresponding to the power generating coil portion, the power generating coil portion of the power generating coil.
The outer rotor generator with ox horn iron core includes at least two disc outer rotors parallel to each other and at least sets of railing type stators, the ingenious arrangement between the outer rotors and the stators and the serial connection of at least pivots reduce the distance of air gap in aspect, so that the magnetic flux mainly passes through the iron core and the permanent magnet to form a loop, the magnetic resistance is greatly reduced, in addition, the slits with magnetic resistance between the ox horn iron core and the adjacent ox horn iron core are also limited to be extremely small, so that the magnetic flux path can be kept smooth when the generator is used, the magnetic resistance is reduced, the generating efficiency is improved, the magnetic loop is formed by matching the number of the permanent magnets and the iron core, the conversion efficiency of the operation kinetic energy of the rotor into electric energy is improved, the heat dissipation of the outer disc type structure is easy, the service life of the generator assembly is prolonged, the specification design of the auxiliary disc outer rotor and the auxiliary railing type stators is expanded, the invention can flexibly adjust the output torque force and the requirement of the installation space without changing the specification design of the generator monomer, particularly, the permanent magnets are arranged in a mode of the same polarity as each two adjacent outer rotors and the auxiliary disc type stators are arranged relatively and the permanent magnets are arranged, the permanent magnets are correspondingly arranged, the number of the permanent magnets is more than twice of the permanent magnets is reduced, and the permanent magnets is more than that the permanent magnets are arranged, the permanent magnets are correspondingly arranged, the permanent magnets, and the permanent magnets are correspondingly arranged, the permanent magnets, and the permanent magnets are correspondingly.
Drawings
Fig. 1 is a schematic structural side view of a conventional generator with an outer rotor, illustrating a relative position relationship between a stator and the rotor.
Fig. 2 is a schematic diagram of a disc generator according to the prior art, illustrating its main components and their relative relationships.
Fig. 3 is a perspective view of an outer rotor generator with a bull-nose core according to a preferred embodiment of the present invention, illustrating the relative relationship of the base and permanent magnet structure of the rotor and the non-magnetic stator base of the stator.
Fig. 4 is a partial perspective view of the embodiment of fig. 3 illustrating the core-coil of the stator relative to the permanent magnets of the rotor.
Fig. 5 is a top view of the core-coil combination of fig. 4 in combination with a permanent magnet.
Fig. 6 is a perspective view of the single core-coil combination of fig. 5.
Fig. 7 is a schematic side view of the magnetic field lines distribution of the permanent magnet of the embodiment of fig. 3.
Fig. 8 is a schematic view of the generator of fig. 3 applied to a manual generator.
Fig. 9 is a partially perspective assembly view of the second preferred embodiment of the external rotor generator with the bull-nose type core according to the present invention.
Fig. 10 is a partial perspective view of the embodiment of fig. 9 illustrating the relative relationship of the core-coil combination.
Fig. 11 is a top view of the embodiment of fig. 9 illustrating the relative relationship of the permanent magnets and the core-coil combination of the rotor.
Fig. 12 is a perspective view of a single core-coil combination of the embodiment of fig. 9.
Detailed Description
The foregoing and other technical and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings; further, in the embodiments, the same elements will be denoted by the same reference numerals.
In a preferred embodiment of the external rotor generator with ox horn core, please refer to and refer to fig. 3 to 6, an external disk generator 1 has pivots 12 extending along axial direction, which is defined as the up-down direction along the drawing for the convenience of description, and two disk type
The
The outer disk generator 1 further comprises groups of the
The
In particular, as the thickness of the whole generator in this embodiment is not more than 6 cm, actually, the thickness is only about 5 cm, the thickness of the disc type
When the magnetic poles of the
On the other hand, the magnetic lines of force generated by the corresponding permanent magnets in the lower disk
In this example, the
In this embodiment, the ratio of the number of the
In this embodiment, to further reduce the air gap distance and concentrate the magnetic flux of the
In order to simplify the structure and reduce the manufacturing cost, as shown in fig. 11, the gap between the permanent magnet 143 'and the adjacent permanent magnet 143' is narrowed, and at the same time, the distance between the permanent magnet 143 'and the core body 166' arranged along the virtual circular tube 123 'is reduced, so that the magnetic resistance between the rotor and the stator 16' is reduced, magnetism collecting magnets 145 'are respectively installed at the positions where the magnetic poles of the two opposite polarities near the permanent magnet 143' face the stator 16 ', and further, the permanent magnets 143' only need to be uniformly arranged in pairs, not limited to 6, and the number of cores in the stator 16 'only needs to be an integer between times and twice the number of the permanent magnets 143', and the key is that the total phase difference of the clocked driving signals is an integral multiple of 360 degrees, and the phase difference between each two adjacent coils is the same and is changed with the rotation speed.
In particular, in order to make the horn cores 161 'of the stator 16' more balanced in the left and right directions, the horn cores 161 'in this embodiment extend two branches 165' from the body 166 'toward the left and right sides, respectively, so that the adjacent cores 161' are close to each other by the corresponding branches 165 ', and in this embodiment, power generation coil windings 167' are provided at each branch 165 'of , and when the power generation output of the generator constituted by only two disc outer rotors 14' and group of the stator 16 'is insufficient, in this embodiment, groups of auxiliary stator and auxiliary disc outer rotor are added under the disc outer rotor 14' in fig. 9 along the coaxial direction of the pivot, thereby increasing the overall torque output.
The number of the iron core-coils and the structural design of the branch parts can provide a complete magnetic line of force access for the permanent magnet, so that the magnetic resistance is greatly reduced, the rotation movement of the permanent magnet can periodically weaken the hysteresis phenomenon of the iron core in the process of being excited by an alternating current signal, and the heat generation and energy loss caused by the hysteresis phenomenon are reduced, so that the generator disclosed by the invention has low heat generation and high energy conversion efficiency in the operation process, and the aim of the invention exceeding the prior art is fulfilled.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
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