CN107332425B - A permanent magnet reciprocating push-pull direct drive device and a motor using the direct drive device - Google Patents
A permanent magnet reciprocating push-pull direct drive device and a motor using the direct drive device Download PDFInfo
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 80
- 238000004804 winding Methods 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 20
- 239000003302 ferromagnetic material Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
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- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
本发明公开了一种永磁式往复推拉直驱装置，包括动子、隔离层、绕组、侧导磁板和两个“E”形定子。还公开了一种使用该永磁式往复推拉直驱装置的电机。本发明的有益效果是：具有体积小、结构简单、清洁安全的优点,不需要传动机构，采用电励磁的方式实现直接驱动，通过控制绕组中电流的流向来实现对运动方向的控制；通过控制绕组中电流的大小来实现对输出力矩大小的控制；无机械磨损、变形、油变质、漏油等情况，维护费用小，安全可靠。
The invention discloses a permanent magnet reciprocating push-pull direct drive device, which comprises a mover, an isolation layer, a winding, a side magnetic guide plate and two "E" shaped stators. Also disclosed is a motor using the permanent magnet reciprocating push-pull direct drive device. The beneficial effects of the present invention are: it has the advantages of small size, simple structure, clean and safe, no transmission mechanism is needed, direct drive is realized by means of electric excitation, and the control of the direction of motion is realized by controlling the flow direction of the current in the winding; The magnitude of the current in the winding is used to control the magnitude of the output torque; there is no mechanical wear, deformation, oil deterioration, oil leakage, etc., the maintenance cost is small, and it is safe and reliable.
Description
技术领域technical field
本发明涉及一种永磁式往复推拉直驱装置及使用该直驱装置的电机，属于驱动电机技术领域，尤其涉及驱动电机中的直线电机驱动装置领域。The invention relates to a permanent magnet reciprocating push-pull direct drive device and a motor using the direct drive device, belonging to the technical field of drive motors, in particular to the field of linear motor drive devices in drive motors.
背景技术Background technique
为了满足日益增长的物质需求，工业生产效率也需要得到进一步的提升。随着科学技术的发展，生产过程越来越趋向于机械化、自动化、智能化，在这一过程中，往复推拉电机的应用范围也变得越来越宽泛。传统的往复推拉电机通常为气动型，通过充拔空气来改变气压差，从而驱动活塞，再利用传动机构实现动子的往复运动。长期工作会出现润滑油变质、漏油、机械磨损等情况，给电机、生产过程带来不利影响。In order to meet the increasing material demand, the efficiency of industrial production also needs to be further improved. With the development of science and technology, the production process tends to be more and more mechanized, automated, and intelligent. In this process, the application range of reciprocating push-pull motors is becoming wider and wider. The traditional reciprocating push-pull motor is usually a pneumatic type, which changes the air pressure difference by filling and pulling out air, thereby driving the piston, and then using the transmission mechanism to realize the reciprocating motion of the mover. Long-term work will cause lubricating oil to deteriorate, oil leakage, mechanical wear, etc., which will adversely affect the motor and production process.
针对以上问题，需要一种新型的往复推拉驱动装置及使用该驱动装置的电机。In view of the above problems, a new type of reciprocating push-pull driving device and a motor using the driving device are needed.
发明内容Contents of the invention
为了克服上述缺陷，本发明提供了一种体积小、结构简单、清洁安全的永磁式往复推拉直驱电机装置。In order to overcome the above defects, the present invention provides a permanent magnet reciprocating push-pull direct drive motor device with small volume, simple structure, clean and safe.
本发明还提供了一种使用永磁式往复推拉直驱电机装置的电机。The invention also provides a motor using a permanent magnet reciprocating push-pull direct drive motor device.
为了实现上述目的，本发明的技术方案是：一种永磁式往复推拉直驱装置，包括动子、隔离层、绕组、侧导磁板和两个“E”型定子；其中所述两个“E”型定子开口相对，且相平行；所述动子设置于所述两个“E”型定子之间，所述动子由两个相平行的水平导磁板及导磁柱组成，两水平导磁板之间由柱状导磁柱连接，水平导磁板与对应侧定子相平行；所述导磁柱上套设有绕组，绕组与导磁柱之间设置有隔离层，所述导磁柱与隔离层内圈之间设置有气隙；所述侧导磁板设置于动子的相对两侧，所述侧导磁板与所述动子平行水平导磁板之间有气隙。In order to achieve the above object, the technical solution of the present invention is: a permanent magnet reciprocating push-pull direct drive device, including a mover, an isolation layer, a winding, a side magnetic plate and two "E" type stators; The openings of the "E"-shaped stators are opposite and parallel; the mover is arranged between the two "E"-shaped stators, and the mover is composed of two parallel horizontal magnetic plates and magnetic columns. The two horizontal magnetic conducting plates are connected by columnar magnetic conducting columns, and the horizontal magnetic conducting plates are parallel to the corresponding side stators; the magnetic conducting posts are covered with windings, and an isolation layer is arranged between the windings and the magnetic conducting columns. There is an air gap between the magnetic column and the inner ring of the isolation layer; the side magnetic conductive plates are arranged on opposite sides of the mover, and there is an air gap between the side magnetic conductive plates and the parallel horizontal magnetic conductive plates of the mover. Gap.
优选的，所述“E”型定子由铁磁性材料底座和设置于底座中心的磁铁组成，所述底座两端凸起；所述两个“E”型定子的磁铁相对的面极性相同。Preferably, the "E"-shaped stator is composed of a ferromagnetic material base and a magnet arranged at the center of the base, and the two ends of the base protrude; the opposite faces of the magnets of the two "E"-shaped stators have the same polarity.
作为上述技术方案的改进，还包括非铁磁性材料外壳，所述隔离层固定于外壳上。As an improvement of the above technical solution, a non-ferromagnetic material casing is also included, and the isolation layer is fixed on the casing.
优选的，所述两个“E”型定子的凹槽处至少分别设置一个临界限位结构。Preferably, at least one critical limit structure is respectively provided in the grooves of the two "E" shaped stators.
优选的，所述两个侧导磁板设置于所述外壳上，且所述侧导磁板与其对应侧的两个定子的凸起之间均有气隙。Preferably, the two side magnetic conducting plates are arranged on the housing, and there are air gaps between the side magnetic conducting plates and the protrusions of the two stators on the corresponding sides.
一种永磁式往复推拉直驱电机，包括上述的永磁式往复推拉直驱装置和输出轴；所述永磁式往复推拉直驱装置可以驱动所述输出轴往复运动。A permanent magnet reciprocating push-pull direct drive motor includes the above-mentioned permanent magnet reciprocating push-pull direct drive device and an output shaft; the permanent magnet reciprocating push-pull direct drive device can drive the output shaft to reciprocate.
作为上述技术方案的改进，永磁式往复推拉直驱装置包括：动子、隔离层、绕组、侧导磁板和两个“E”型定子；所述两个“E”型定子开口相对，且相平行；所述动子设置于所述两个“E”型定子之间，所述动子由两个相平行的水平导磁板及导磁柱组成，两水平导磁板之间由柱状导磁柱连接，水平导磁板与对应侧定子相平行；所述导磁柱上套设有绕组，绕组与导磁柱之间设置有隔离层；所述侧导磁板设置于动子的相对两侧，所述侧导磁板与所述动子平行水平导磁板之间有气隙；所述两个“E”型定子至少其中一个定子中心设置有通孔；所述输出轴通过通孔与动子连接。As an improvement of the above technical solution, the permanent magnet reciprocating push-pull direct drive device includes: a mover, an isolation layer, a winding, a side magnetic guide plate and two "E"-shaped stators; the two "E"-shaped stators have opposite openings, and parallel; the mover is arranged between the two "E" type stators, the mover is composed of two parallel horizontal magnetic conduction plates and magnetic conduction columns, and the two horizontal magnetic conduction plates are formed by The columnar magnetic conductive column is connected, and the horizontal magnetic conductive plate is parallel to the corresponding side stator; the magnetic conductive column is covered with a winding, and an isolation layer is arranged between the winding and the magnetic conductive column; the side magnetic conductive plate is set on the mover There is an air gap between the side magnetic conductive plates and the parallel horizontal magnetic conductive plates of the mover; at least one of the two "E" type stators is provided with a through hole in the center of the stator; the output shaft Connect with the mover through the through hole.
本发明的有益效果是：具有体积小、结构简单、清洁安全的优点,不需要传动机构，采用电励磁的方式实现直接驱动，通过控制绕组中电流的流向来实现对运动方向的控制；通过控制绕组中电流的大小来实现对输出力矩大小的控制；无机械磨损、变形、油变质、漏油等情况，维护费用小，安全可靠。The beneficial effects of the present invention are: it has the advantages of small size, simple structure, clean and safe, no transmission mechanism is needed, direct drive is realized by means of electric excitation, and the control of the direction of motion is realized by controlling the flow direction of the current in the winding; The magnitude of the current in the winding is used to control the magnitude of the output torque; there is no mechanical wear, deformation, oil deterioration, oil leakage, etc., the maintenance cost is small, and it is safe and reliable.
附图说明Description of drawings
图1为本发明的永磁式往复推拉直驱装置结构示意图。FIG. 1 is a schematic structural view of the permanent magnet reciprocating push-pull direct drive device of the present invention.
图2为本发明的永磁式往复推拉直驱装置的动子结构示意图。Fig. 2 is a schematic diagram of the mover structure of the permanent magnet reciprocating push-pull direct drive device of the present invention.
图3为本发明的永磁式往复推拉直驱装置的定子结构示意图。Fig. 3 is a schematic structural view of the stator of the permanent magnet reciprocating push-pull direct drive device of the present invention.
图4为本发明的永磁式往复推拉直驱装置的隔离层结构示意图。Fig. 4 is a schematic diagram of the isolation layer structure of the permanent magnet reciprocating push-pull direct drive device of the present invention.
图5为本发明的使用永磁式往复推拉直驱装置的电机结构示意图。Fig. 5 is a schematic structural diagram of a motor using a permanent magnet reciprocating push-pull direct drive device according to the present invention.
具体实施方式Detailed ways
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
实施例1Example 1
如图1-图4所示的一种永磁式往复推拉直驱装置，包括动子1、隔离层2、绕组3、侧导磁板4、两个“E”型定子5，非铁磁性材料外壳6；其中所述两个“E”型定子5开口相对，且相平行；所述动子1设置于所述两个“E”型定子5之间，所述动子1由两个相平行的水平导磁板101及导磁柱102组成，两水平导磁板101之间由柱状导磁柱102连接，水平导磁板101与对应侧定子5相平行；所述导磁柱102上套设有绕组3，绕组3与导磁柱102之间设置有隔离层2，隔离层2固定于外壳6上，所述导磁柱102与隔离层2内圈之间设置有气隙；所述侧导磁板4设置于动子1的相对两侧的外壳6上，所述侧导磁板4与所述动子平行水平导磁板101之间有气隙。所述侧导磁板4与其对应侧的两个定子5的凸起之间均有气隙。A permanent magnet reciprocating push-pull direct drive device as shown in Figures 1-4, including a mover 1, an isolation layer 2, a winding 3, a side magnetic plate 4, and two "E"-shaped stators 5, non-ferromagnetic Material shell 6; wherein the two "E" type stators 5 are open opposite and parallel; the mover 1 is arranged between the two "E" type stators 5, and the mover 1 is composed of two Parallel horizontal magnetically permeable plates 101 and magnetically permeable columns 102 are composed of two horizontal magnetically permeable plates 101 connected by columnar magnetically permeable columns 102, and the horizontal magnetically permeable plates 101 are parallel to the corresponding side stator 5; the magnetically permeable columns 102 The upper sleeve is provided with a winding 3, an isolation layer 2 is arranged between the winding 3 and the magnetic conduction column 102, the isolation layer 2 is fixed on the casing 6, and an air gap is provided between the magnetic conduction column 102 and the inner ring of the isolation layer 2; The side magnetic conducting plates 4 are arranged on the shells 6 on opposite sides of the mover 1 , and there is an air gap between the side magnetic conducting plates 4 and the parallel horizontal magnetic conducting plates 101 of the mover. There is an air gap between the side magnetic guide plate 4 and the protrusions of the two stators 5 on the corresponding side.
所述“E”型定子5由铁磁性材料底座501和设置于底座501中心的磁铁502组成，所述底座501两端凸起；所述两个“E”型定子的磁铁502相对的面极性相同。“E”型定子的凹槽处分别设置一个临界限位结构7。The "E" type stator 5 is composed of a ferromagnetic material base 501 and a magnet 502 arranged at the center of the base 501, the two ends of the base 501 protrude; the opposite face poles of the magnets 502 of the two "E" type stators Sex is the same. A critical limit structure 7 is respectively arranged at the groove of the "E" type stator.
本实施例的永磁式往复推拉直驱装置，当通电工作时，绕组3中的电流会将感应产生磁场，该磁场动子1和侧导磁板4形成回路，并将上下两个水平导磁板101磁化。当动子1的磁场方向与上定子5的磁铁的磁场方向相同时，动子1与上定子5之间产生吸引力，而跟下定子5之间产生排斥力，这两个力的共同作用，驱动动子1向上运动；当动子1的磁场方向与下定子5的磁铁的磁场方向相同时，动子1与上定子5之间产生排斥力，而跟下定子5之间产生吸引力，这两个力的共同作用，驱动动子1向下运动。控制绕组3中电流的流向，可实现对动子1运动方向的控制；控制输入电流大小，可实现对出力大小的控制。The permanent magnet reciprocating push-pull direct drive device of this embodiment, when energized and working, the current in the winding 3 will induce a magnetic field, and the magnetic field mover 1 and the side magnetic guide plate 4 form a loop, and the upper and lower horizontal guides The magnetic plate 101 is magnetized. When the direction of the magnetic field of the mover 1 is the same as that of the magnet of the upper stator 5, an attractive force is generated between the mover 1 and the upper stator 5, and a repulsive force is generated between the mover 1 and the lower stator 5. The combined action of these two forces , to drive the mover 1 to move upward; when the magnetic field direction of the mover 1 is the same as that of the magnet of the lower stator 5, a repulsive force will be generated between the mover 1 and the upper stator 5, and an attractive force will be generated between the mover 1 and the lower stator 5 , the combined action of these two forces drives mover 1 to move downward. Controlling the flow direction of the current in the winding 3 can realize the control of the moving direction of the mover 1; controlling the magnitude of the input current can realize the control of the output force.
实施例2Example 2
如图1-图5所示，一种使用永磁式往复推拉直驱装置的电机，包括永磁式往复推拉直驱装置和输出轴9，永磁式往复推拉直驱装置包括动子1、隔离层2、绕组3、侧导磁板4、两个“E”型定子5，非铁磁性材料外壳6；其中所述两个“E”型定子5开口相对，且相平行；所述动子1设置于所述两个“E”型定子5之间，所述动子1由两个相平行的水平导磁板101及导磁柱102组成，两水平导磁板101之间由柱状导磁柱102连接，水平导磁板101与对应侧定子5相平行；所述导磁柱102上套设有绕组3，绕组3与导磁柱102之间设置有隔离层2，隔离层2固定于外壳6上，所述导磁柱102与隔离层2内圈之间设置有气隙；所述侧导磁板4设置于动子1的相对两侧的外壳6上，所述侧导磁板4与所述动子平行水平导磁板101之间有气隙。所述侧导磁板4与其对应侧的两个定子5的凸起之间均有气隙。两个“E”型定子5至少其中一个定子5中心设置有通孔8；所述输出轴9通过通孔8与动子1连接.As shown in Figures 1 to 5, a motor using a permanent magnet reciprocating push-pull direct drive device includes a permanent magnet reciprocating push-pull direct drive device and an output shaft 9, and the permanent magnet reciprocating push-pull direct drive device includes a mover 1, Isolation layer 2, winding 3, side magnetic guide plate 4, two "E" type stators 5, and non-ferromagnetic material shell 6; wherein the two "E" type stators 5 have opposite openings and are parallel; the moving The sub 1 is arranged between the two "E" type stators 5, the mover 1 is composed of two parallel horizontal magnetic permeable plates 101 and magnetic permeable pillars 102, between the two horizontal magnetic permeable plates 101 there is a columnar The magnetically conductive column 102 is connected, and the horizontal magnetically conductive plate 101 is parallel to the corresponding side stator 5; the magnetically conductive column 102 is provided with a winding 3, and an isolation layer 2 is arranged between the winding 3 and the magnetically conductive column 102, and the isolation layer 2 Fixed on the shell 6, an air gap is provided between the magnetic guide column 102 and the inner ring of the isolation layer 2; the side magnetic guide plate 4 is arranged on the shell 6 on opposite sides of the mover 1, and the side guide There is an air gap between the magnetic plate 4 and the parallel horizontal magnetic conductive plate 101 of the mover. There is an air gap between the side magnetic guide plate 4 and the protrusions of the two stators 5 on the corresponding side. At least one of the two "E"-shaped stators 5 is provided with a through hole 8 in the center; the output shaft 9 is connected to the mover 1 through the through hole 8.
永磁式往复推拉直驱装置产生的力矩通过输出轴9驱动外界负载做往复推拉运动。The torque generated by the permanent magnet reciprocating push-pull direct drive device drives an external load through the output shaft 9 to perform reciprocating push-pull motion.
本发明的技术方案不限于上述具体实施例的限制，凡是根据本发明的技术方案做出的技术变形，均落入本发明的保护范围之内。The technical solution of the present invention is not limited to the limitations of the above-mentioned specific embodiments, and any technical deformation made according to the technical solution of the present invention falls within the protection scope of the present invention.
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