WO2020015549A1 - Machine électrique linéaire - Google Patents

Machine électrique linéaire Download PDF

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Publication number
WO2020015549A1
WO2020015549A1 PCT/CN2019/095160 CN2019095160W WO2020015549A1 WO 2020015549 A1 WO2020015549 A1 WO 2020015549A1 CN 2019095160 W CN2019095160 W CN 2019095160W WO 2020015549 A1 WO2020015549 A1 WO 2020015549A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaped
linear motor
shaped component
coil group
motor according
Prior art date
Application number
PCT/CN2019/095160
Other languages
English (en)
Chinese (zh)
Inventor
冯蓬勃
曹娟娟
孙颖
Original Assignee
歌尔股份有限公司
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 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Publication of WO2020015549A1 publication Critical patent/WO2020015549A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors

Definitions

  • the present invention relates to the technical field of motors, and more particularly, the present invention relates to a linear motor.
  • a linear motor does not require an intermediate drive mechanism, and has the advantages of high accuracy, high dynamic response, and high rigidity.
  • the mechanical loss is extremely small, and the maintenance requirement of the linear motor is low, so it has high reliability and long life. Therefore, the application of linear motors is becoming more and more widespread.
  • a linear motor with an iron core is provided with an iron core in a coil group, which is widely used in high-speed CNC machining centers, vertical lifting conveyor systems, high-speed ground transportation systems, reciprocating air compressors and other fields, which can provide faster Responsiveness, large load, and rigidity can be guaranteed during machine processing or thrust application.
  • An object of the present invention is to provide a new technical solution for a linear motor.
  • a linear motor comprising a U-shaped groove-shaped component, the U-shaped groove-shaped component including a U-shaped groove structure and oppositely arranged on two sides of the U-shaped groove structure Oblique pole permanent magnets inside the wall;
  • the T-shaped component includes a coil group with an iron core located between two rows of the permanent magnets;
  • the U-shaped slot-shaped component is a mover, and the T-shaped component is a stator; or, the U-shaped slot-shaped component is a stator, and the T-shaped component is a mover.
  • the permanent magnets on the two side walls are arranged symmetrically.
  • the permanent magnets on the two side walls are arranged in parallel.
  • the permanent magnets are arranged side by side on two side walls.
  • the U-shaped groove structure is a magnetically permeable material.
  • the T-shaped component includes a fixing plate, and the coil group is disposed on the same side of the fixing plate.
  • a clamping portion extends from both ends of the fixing plate in the sliding direction, and the coil group is disposed between the two clamping portions.
  • the coil group includes a through hole, and the iron core is disposed in the through hole.
  • potting glue is coated on the coil group.
  • the movers are provided in multiple groups and are arranged in parallel on the same stator.
  • One technical effect of the present invention is that the cogging effect of the linear motor can be reduced.
  • FIG. 1 is a schematic diagram of a linear motor provided by a specific embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a U-shaped groove-shaped component provided by a specific embodiment of the present invention.
  • FIG. 3 is an exploded view of a U-shaped groove-shaped component provided by a specific embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a T-shaped component provided by a specific embodiment of the present invention.
  • FIG. 5 is an exploded view of a T-shaped component provided by a specific embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a T-shaped component provided by a specific embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a linear motor provided by a specific embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a linear motor provided by a specific embodiment of the present invention.
  • 1-U-shaped slot-shaped component 11-upper plate, 12-side plate, 13-lower plate, 14-permanent magnet, 2-T-shaped component, 21-fixing plate, 22-coil group, 23-iron core, 24 -Clamping section.
  • any specific value should be construed as exemplary only and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.
  • the present invention provides a linear motor, as shown in FIG. 1, including a U-shaped groove-shaped component 1 and a T-shaped component 2.
  • the U-shaped groove-shaped component 1 includes a U-shaped groove structure and oblique pole permanent magnets 14 which are oppositely arranged inside two side walls of the U-shaped groove structure.
  • the U-shaped groove structure includes a side plate 12 and an upper plate 11 and a lower plate 13 provided on the same side of the side plate 12.
  • the upper plate 11 and the lower plate 13 form a side wall of the side plate 12, and the permanent magnet 14 is provided on the upper plate. 11 and the inner wall of the lower plate 13.
  • the T-shaped component 2 includes a coil group 22 located between two rows of permanent magnets 14. A through hole is provided in the coil group 22, and an iron core 23 is provided in the through hole.
  • the T-shaped component 2 further includes a fixing plate 21, and both ends of the fixing plate 21 in the sliding direction are provided with clamping portions 24 for fixing the coil group 22, and the coil group 22 is fixed in front of the clamping portion 24.
  • the fixing plate 21 is made of a non-magnetic material.
  • the coil group 22 When the coil group 22 is energized, a magnetic field force is generated between the U-shaped slot-shaped component 1 and the T-shaped component 2 and can drive the relative movement of the two.
  • the T-shaped component 2 when the U-shaped slot-shaped component 1 is used as a stator of the motor, the T-shaped component 2 is a mover of a linear motor. After the coil group 22 is energized, the T-shaped component 2 can slide in the U-shaped slot component 1 so that it can be slid. Connect with other objects and drive them into motion.
  • the U-shaped slot-shaped component 1 When the T-shaped component 2 is used as the stator of the linear motor, the U-shaped slot-shaped component 1 is a mover of the linear motor. After the coil group 22 is energized, the U-shaped slot-shaped component 1 can slide on the T-shaped component 2 so that it can communicate with the T-shaped component 2. Other objects connect and drive them to move.
  • the wires connecting the coil group 22 need to move along with the T-shaped component 2, and a tow chain needs to be added to the wires to facilitate its movement.
  • the U-shaped slot-shaped component 1 is used as the mover of the linear motor
  • the T-shaped component 2 as the stator of the linear motor does not need to be moved.
  • the wires connected to the coil group 22 are fixed, which can increase the service life of the wires. There is no need to add an energy chain, which avoids occupying extra space and reduces the maintenance cost of the linear motor.
  • the permanent magnets 14 are provided on the upper and lower sides of the coil group 22.
  • a dual magnetic circuit is formed, which increases the magnetic flux of the air gap magnetic field and further improves the magnetic field
  • the utilization rate increases the thrust of the linear motor mover.
  • the permanent magnet 14 is arranged on the upper plate 11 and the lower plate 13 in an oblique pole manner. In this way, the cogging effect between the iron core 23 in the coil group 22 and the permanent magnet 14 can be reduced, and the lift can be improved.
  • the smoothness of the linear motor is improved.
  • U-shaped slot-shaped component 1 and T-shaped component 2 can realize modular design and assembly, which is convenient for the production and assembly of linear motors. It can also reduce the difficulty of maintenance and reduce the maintenance costs of linear motors in the later stage.
  • the permanent magnets 14 are rectangular and are arranged side by side on the inner wall of the upper plate 11 and the lower plate 12, and the long and short sides of each permanent magnet 14 are parallel to the long and short sides of other permanent magnets 14, so that the permanent magnets 14 The position between 14 is more compact.
  • the shape and thickness of the permanent magnet 14 are not limited in the present invention, and any scheme that can achieve the same technical effect belongs to the protection scope of the present invention.
  • the upper plate 11 and the lower plate 12 are arranged in parallel, and at the same time, the planes of the permanent magnets 14 on the inner wall of the upper plate 11 and the lower plate 12 are parallel to each other, so as to increase the strength of the magnetic field, thereby increasing the thrust of the linear motor mover.
  • the upper plate 11 and the permanent magnets 14 on the inner side wall of the lower plate 12 are symmetrically arranged, and the positions of the upper plate 11 and the permanent magnets 14 on the inner side wall of the lower plate 12 can be completely corresponded in a symmetrical manner, so that With the same arrangement angle, the strength of the magnetic field can be increased, and the thrust of the linear motor mover can be improved.
  • the effective utilization of the coil section of the coil group 22 for cutting the magnetic induction line is improved, which can reduce the end effect, reduce the end force, thereby reducing the loss of the linear motor and reducing the internal heating of the motor.
  • the upper plate 11, the side plate 12, and the lower plate 13 are all magnetically conductive materials.
  • the magnetic material is used for the side plate 12, which increases the magnetic path, can increase the strength of the magnetic field, and can further increase the thrust of the linear motor.
  • the magnetically permeable material is iron, which is not limited in the present invention.
  • a potting compound is coated on the coil group 22.
  • the potting compound is used to fill the gap between the coil groups 22 and between the coil group 22 and the fixing plate 22, so that the coil group can be more stably set on the fixing plate 22.
  • the potting compound has good heat dissipation ability.
  • the heat generated during the operation of the coil group 22 is released in time.
  • a potting compound is applied to the coil group 22, which can also protect the coil 22, avoid collision damage during assembly and maintenance, and prevent dust and liquid from entering the coil group 22. Its performance is affected.
  • the potting compound is an epoxy potting compound.
  • the U-shaped slot-shaped component 1 is a stator
  • the T-shaped component 2 is a mover
  • three T-shaped components 2 are provided. Specifically, after the coil groups 22 of the three T components 2 are energized, they can slide on the U-shaped groove-shaped component 1. In addition, by changing the current in the coil groups 22 of the three T components 2, The sliding speed and thrust of each T component 2 are different, and can be selected according to actual conditions in actual applications to meet more needs.
  • the three T-components 2 can be connected with objects to drive them to move, so that multiple objects can be driven and moved at the same time to improve work efficiency. At the same time, the three T-components 2 can be connected to one object and driven at the same time. Increase thrust.
  • the U-shaped slot-shaped component 1 is a mover
  • the T-shaped component 2 is a stator
  • three U-shaped slot-shaped components 1 are provided. Specifically, all three U-shaped groove-shaped components 1 can slide on the U-shaped groove-shaped component 1.
  • the sliding speed and thrust of the component 1 are different, and can be selected according to actual conditions in actual applications to meet more requirements.
  • the three U-shaped slot-shaped components 1 can be connected with objects to drive them to move, so that multiple objects can be driven and moved at the same time to improve work efficiency.
  • the three U-shaped slot-shaped components 1 can be connected to one at the same time. Drive on the object to increase thrust.
  • the U-shaped slot-shaped component 1 is used as the mover, the T-shaped component 2 as the stator of the linear motor does not need to be moved.
  • the wires connecting the coil group 22 are fixed and only one set is provided, which can increase the service life of the wires , Reduce production costs, at the same time, do not need to add towline, avoid taking up additional space, and reduce the maintenance costs of linear motors.

Abstract

La présente invention concerne une machine électrique linéaire comprenant : un ensemble de fentes en forme de U (1), l'ensemble de fentes en forme de U (1) comprenant une structure de fente en forme de U et des aimants permanents à pôle oblique (14) disposés de manière opposée sur les côtés internes des deux parois latérales de la structure de fente en forme de U ; et un ensemble en forme de T (2) comprenant un groupe de bobines (22) qui est situé entre deux rangées des aimants permanents (14) et qui a un noyau de fer (23). L'ensemble de fente en forme de U (1) est un rotor et l'ensemble en forme de T (2) est un stator ; ou l'ensemble de fente en forme de U (1) est un stator et l'ensemble en forme de T (2) est un rotor. Un effet technique obtenu par cette solution est que l'effet de crantage peut être réduit dans la machine électrique linéaire.
PCT/CN2019/095160 2018-07-16 2019-07-09 Machine électrique linéaire WO2020015549A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810779135.0 2018-07-16
CN201810779135.0A CN109039003A (zh) 2018-07-16 2018-07-16 一种直线电机

Publications (1)

Publication Number Publication Date
WO2020015549A1 true WO2020015549A1 (fr) 2020-01-23

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CN (1) CN109039003A (fr)
WO (1) WO2020015549A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109039003A (zh) * 2018-07-16 2018-12-18 深圳市歌尔泰克科技有限公司 一种直线电机
CN110649782B (zh) * 2019-09-12 2020-09-15 珠海格力电器股份有限公司 一种初级铁芯交错式驱动结构、直线电机及数控设备
CN213461501U (zh) * 2020-09-04 2021-06-15 瑞声科技（南京）有限公司 直线电机
CN114530962B (zh) * 2022-02-18 2023-09-08 南京航空航天大学 一种永磁直线电机的侧向受力自复位结构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002064968A (ja) * 2000-08-21 2002-02-28 Nippon Thompson Co Ltd 可動コイル型リニアモータを内蔵したスライド装置
CN1484363A (zh) * 2002-09-18 2004-03-24 思考电机（上海）有限公司 移动子及其制造方法和包含该移动子的直线马达
KR20060065600A (ko) * 2006-04-18 2006-06-14 최종현 코깅력을 제거한 철심형 리니어 모터
CN201656737U (zh) * 2010-03-06 2010-11-24 王敕 一种铁芯式直线电机
CN104115384A (zh) * 2012-02-16 2014-10-22 日立金属株式会社 直线电机
CN109039003A (zh) * 2018-07-16 2018-12-18 深圳市歌尔泰克科技有限公司 一种直线电机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10292115T1 (de) * 2001-05-22 2003-05-22 Soonhan Engineering Inc Verfahren zum Befestigen eines Magneten eines Linear-Servomotors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002064968A (ja) * 2000-08-21 2002-02-28 Nippon Thompson Co Ltd 可動コイル型リニアモータを内蔵したスライド装置
CN1484363A (zh) * 2002-09-18 2004-03-24 思考电机（上海）有限公司 移动子及其制造方法和包含该移动子的直线马达
KR20060065600A (ko) * 2006-04-18 2006-06-14 최종현 코깅력을 제거한 철심형 리니어 모터
CN201656737U (zh) * 2010-03-06 2010-11-24 王敕 一种铁芯式直线电机
CN104115384A (zh) * 2012-02-16 2014-10-22 日立金属株式会社 直线电机
CN109039003A (zh) * 2018-07-16 2018-12-18 深圳市歌尔泰克科技有限公司 一种直线电机

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