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WO2010107245A2 - Kit de moteur électrique cc pour supports d’enseignement - Google Patents

Kit de moteur électrique cc pour supports d’enseignement Download PDF

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Publication number
WO2010107245A2
WO2010107245A2 PCT/KR2010/001648 KR2010001648W WO2010107245A2 WO 2010107245 A2 WO2010107245 A2 WO 2010107245A2 KR 2010001648 W KR2010001648 W KR 2010001648W WO 2010107245 A2 WO2010107245 A2 WO 2010107245A2
Authority
WO
WIPO (PCT)
Prior art keywords
stator
rotor
coil
current
battery holder
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2010/001648
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English (en)
Korean (ko)
Other versions
WO2010107245A3 (fr
Inventor
박영수
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2010107245A2 publication Critical patent/WO2010107245A2/fr
Publication of WO2010107245A3 publication Critical patent/WO2010107245A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution

Definitions

  • the present invention relates to a DC electric motor kit for learning materials that rotate by an electric magnetic field, and more particularly, a direction through which a current flows through a process in which learners including elementary, middle, and high school students easily make, assemble, and adjust their own components.
  • the present invention relates to a DC electric motor kit for teaching materials, which is practiced to understand the structure and basic operating principle of a DC motor.
  • the motor is composed of at least one selected from a magnet and an electromagnet, and obtains a rotational force by mutual attraction and repulsive force of a magnetic field generated by the magnetic field of the magnet and the current flow of the electromagnet.
  • An electric motor includes a direct current motor and an alternating current motor, and the present invention relates to a direct current motor.
  • Learners theoretically learn the structure and principles of motors and understand the principles as they practice using expensive hands-on instruments. However, since such education is indirect learning, there is a problem that learning is not effective because it is not remembered for a long time.
  • kits are produced and sold for hands-on motors, but in general, the stator uses permanent magnets and all other components are simply assembled on wooden boards.
  • problems such as not having a learning effect for understanding the principle, and not inducing learners' inquiry and not using a tool or a test device for making a training effect on using a tool or a test device.
  • an object of the present invention is to provide a DC electric motor kit for learning materials that allows learners to easily learn and repeat experience learning the principle of operation of which the rotation direction is changed by the coil winding direction of the DC electric motor.
  • the object of the present invention is to provide a DC electric motor kit for learning materials to improve the brush of the motor, the structure is simple, low production cost, high elasticity to extend the life and reduce the occurrence of failure.
  • the present invention provides a direct current coil, which has a cylindrical shape and a coil wound on the upper part of a stator part that forms an electromagnetic field of two poles by a supplied current, and a cylindrical part formed by the stator part.
  • Coils wound around three rotor blades located inside and fixed to the shaft are a plurality of improved types for supplying a direct current operating current in contact with a rotor part that forms an electromagnetic field while the current is applied to the corresponding commutator piece, and a commutator piece of the rotor part.
  • Fixing the brush a plurality of shaft holders for fixing the shaft of the rotor part in a rotating state, a battery holder for fixing a battery for supplying operating current to the coil of the stator part and the rotor part in a detachable state, and the operating current of the battery holder.
  • the base circuit and the stator coil of the stator part, the rotor coil and the commutator piece of the rotor part, and the wiring of the entire circuit, including the improved brush, the switch and the battery holder, are electrically connected.
  • the coil is wound around the stator part and the rotor is wound, one of the partition walls of the two side partition further comprises a bobbin to form the stator frame inner side of the stator, three rotary wings are joined The three rotary blades are each bent at an obtuse angle of less than 120 degrees, and the bending portion presents a direct-current electric motor kit for learning materials consisting of a configuration in which a triangular shape is bent in an opposite direction to insert and fix a rotating shaft.
  • the improved brush is bent at an obtuse angle twice and one end is screwed into a designated threaded hole of the base plate to receive the current of the battery holder and the other end contacts the commutator piece of the rotor to supply the current of the battery holder. It consists of a configuration.
  • the base plate has a rectangular parallelepiped shape of one side of the open plastic and consists of a plurality of screw holes formed on the upper side of the non-opening side.
  • the bobbin is formed by dividing the circle at six equal angles on one side partition wall, and forming a rectangular protrusion contacting the two dividing lines, thereby forming a stator frame and a coil holder. Is done.
  • the present invention of the configuration as described above is easy to understand the structure and remember for a long time while directly assembling the direct-current motor has the effect of learning to experience a variety of applications in the future.
  • the present invention has the effect of clearly understanding the principle of the motor operation, such as the rotational direction is changed by the change in the winding direction of the coil and the magnetic field repulsive force and attraction force of the DC motor and iterative experience learning.
  • the present invention designates a position where each component of the DC motor to be installed on the prepared base plate has a convenient effect in use that can be easily assembled, easily and accurately manufactured.
  • the present invention has an industrial use effect to extend the life of the motor by improving the brush of the motor, the structure is simple, reduce the production time and cost, and the high elastic force and the probability of failure.
  • FIG. 1 is a configuration diagram of a DC electric motor kit for learning materials according to an example of the present invention
  • FIG. 2 is a view illustrating a state in which a stator coil is wound by combining a stator frame and a coil holder according to an example of the present invention
  • FIG. 3 is an illustration of a state in which a rotor coil is wound by combining three rotor blades of the rotor unit by one example of the present invention
  • FIG. 4 is a view showing a state in which a stator frame is formed using a bobbin according to an example of the present invention
  • FIG. 5 is a side view of the improved brush according to one example of the present invention.
  • Electric motors or motors (hereinafter referred to as motors) generate rotational force by the attraction and repulsive force of the electromagnet when electric current is supplied, and operates according to Fleming's left-hand law, and operates the stator and the rotor. Equipped.
  • the stator and the rotor each form a magnetic field, and the same pole (POLE) is configured to change the repulsive force to push each other and the attraction force attracting each other to rotational motion.
  • the stator and the rotor are each composed of at least one selected from a permanent magnet and an electromagnet, and when using an electromagnet, direct current and alternating current can be used, and a motor using direct current is a direct current motor and a motor using an alternating current motor. do.
  • the rotor is located inside the stator and rotates.
  • the rotor is provided with a plurality of commutators on the rotating shaft to receive an operating current in the rotating state, and an improved brush BRUSH is connected to the commutator to supply the operating current.
  • an improved brush BRUSH is connected to the commutator to supply the operating current.
  • FIG. 1 is a configuration diagram of a DC electric motor kit for learning materials according to an example of the present invention.
  • the stator part 120, the rotor part 130, the improved brush 140, the shaft holder 110, the battery holder 200, the switch 300, and the base plate 400 are described.
  • Easy tester 600, the bobbin 500 is configured to include.
  • the stator part 120 has a circular shape, and an upper part and a lower part are protruded, and a stator frame 122 and a stator frame which are fixed by being screwed to a designated position among a plurality of screw holes 410 formed in the base plate 400. And a coil holder 124 in close contact with the protruding upper portion of 122.
  • a stator coil 126 is formed on the protruding upper portion of the stator frame 122 and the coil holder 124 by using the coil 530 wound on the bobbin 500 and being uniformly wound in one direction.
  • the stator coil 126 acts as an electromagnet that forms the N pole and the S pole by forming an electromagnetic field when the operating current is supplied.
  • the rotor unit 130 is inserted into a hole formed by the plurality of shaft holders 110 and rotates to be rotated and coupled to a portion of the outer circumferential surface of the rotating shaft 132 having a predetermined length to electrically insulate the rotating shaft 132.
  • the insulator 134 to maintain a constant position between the plurality of shaft holder 110, the rotary blade 136, three parts are closely bonded to one side of the insulator 134 to form three surfaces, the rotary blade Rotor coil 137 is formed by winding the coil 530 continuously in one direction on each side of the 136, the commutator tube 138, the commutator tube 138 is inserted and fixed to one side of the insulator 134 And a commutator piece 139 of a conductive material bonded to the outer circumferential surface of the sheet at uniform intervals.
  • three commutator pieces 139 are adhered to the outer circumferential surface of the commutator tube and are in electrical contact with the corresponding rotor coil 137.
  • the operating current is supplied to the rotor coil 137 by the commutator piece 139.
  • the rotary blade 136 is bent at an obtuse angle of less than 120 degrees and the bent portion of the triangular shape is bent in the opposite direction, the rotation axis 132 is inserted and fixed.
  • the rotor coil 137 forms a magnetic field when a current is supplied from a battery mounted on the battery holder 200, and a pole POLE is formed by the magnetic field.
  • the poles have N poles and S poles, and when the same poles are adjacent, repulsive forces are generated, and when the other poles are adjacent, attraction forces are generated.
  • the improved brush 140 is bent twice at an obtuse angle and one end is screwed into the designated threaded hole 410 of the base plate 400, and the other end is rotated when the current of the battery holder 200 is applied. In contact with the commutator piece 139 of the magnetic part 130 to supply a current applied by the battery holder 200. Since the improved brush 140 is bent twice at an obtuse angle, it is easy to produce and manufacture and can maintain a strong elastic force.
  • the shaft holder 110 is formed in plural, and is fixed to a screw at a predetermined position among a plurality of screw holes 410 formed in the base plate 400, and each of the rotating shaft 132 forming the shaft of the rotor portion 130 and both sides. Rotate and fix.
  • the battery holder 200 is fixed with a screw at a designated position among a plurality of screw holes 410 formed in the base plate 400, and is a structure that is easy to insert, fix and remove a battery. In the present invention, it is a structure in which three batteries are attached and detached, and it is possible to use those in which four batteries are attached and detached as necessary. Therefore, the base plate 400 is formed with a screw hole 410 that can be fixed to each of the battery holder 200, the three battery and the four battery is detachable by selection, in a straight line.
  • the switch 300 is screwed at a designated position among a plurality of screw holes 410 formed in the base plate 400, and is paired with a switch contact made of other screws, and is connected to the stator coil 126 and the rotor coil 137.
  • Supply or disconnect battery current That is, the ON / OFF function of connecting or blocking the closed loop formed by the stator coil 126, the rotor coil 137, and the battery holder 200 is performed.
  • the base plate 400 has a rectangular parallelepiped shape of one side of which is opened, and is formed by forming a plurality of screw holes 410 on the upper side of the non-opening side, and the plurality of shaft holders 110 constituting the DC electric motor 100. ),
  • the stator portion 120, a plurality of improved brush 140, the battery holder 200 and the switch 300 is formed by screwing the screw hole 410 for fixing by screwing respectively.
  • Easy tester 600 is described in detail in the patent application No. 2007-104954 (electrical circuit short circuit test apparatus) filed by the applicant of the present invention in detail whether there is a short circuit of the stator coil, stator coil, rotor part It detects whether the wiring of the whole circuit including the rotor coil and the commutator piece, the improved brush, the switch, and the battery holder is in electrical contact and displays the light by the LED.
  • Output is described in detail in the patent application No. 2007-104954 (electrical circuit short circuit test apparatus) filed by the applicant of the present invention in detail whether there is a short circuit of the stator coil, stator coil, rotor part It detects whether the wiring of the whole circuit including the rotor coil and the commutator piece, the improved brush, the switch, and the battery holder is in electrical contact and displays the light by the LED.
  • the bobbin 500 is a coil 530 of a constant length used as the stator coil 126 and the rotor coil 137 is wound, and forming a partition wall at both ends so that the wound coil 530 does not escape, and a protrusion at one partition wall 520 is formed of a coil bobbin 510 formed.
  • the one side partition wall formed with the protrusion 520 is formed with a dividing line formed by dividing the circle into six equal angles, and the fractured obtuse angle of the mold and the rotary blade 136 capable of repeatedly manufacturing the stator frame 122 and the coil holder 124. It is also used for identification purposes.
  • the protrusion 520 is formed in contact with the dividing line formed by any one of a plurality of divided angles in a rectangular shape.
  • one side partition wall of the coil bobbin 510 having the protrusion 520 has the same shape as the inner part of the stator frame 122, while simultaneously functioning as a shape (SHAPED FRAME) to repeatedly reshape the stator frame, coil holder The bent obtuse angle of the molded rotary blade can be confirmed.
  • FIG. 2 is a view illustrating a state in which a stator coil is wound by combining a stator frame and a coil holder according to an example of the present invention.
  • the stator part 120 includes a stator frame 122 and a coil holder 124, and the upper side of the stator frame 122 and the coil holder 124 are in close contact with each other.
  • FIG 3 is an illustration of a state in which a rotor coil is wound by coupling three rotor blades of the rotor unit by one example of the present invention.
  • each rotary blade 136 is bent at an obtuse angle smaller than 120 degrees while simultaneously bending the bent portion in the opposite direction. To form a triangular shape of small size.
  • each of the rotary blades 136 is preferably bent to form an obtuse angle of 117 degrees to 118 degrees.
  • the bent portion of each rotary blade 136 bends the triangular shape of a small size in the opposite direction. Therefore, when three rotary blades 136 are combined, a space of hexagonal pillars is formed in the central portion, and the rotating shaft 132 in which the insulator 134 is coupled is inserted.
  • the insulator 134 is placed between the hexagonal pillar and the rotating shaft 132 formed by close contact of the three rotary blades 136 and acts as a buffer, and is electrically insulated.
  • the rotary blade 136 forms three surfaces, and the coil 530 is wound around each surface in the same direction to form three rotor coils 137. At this time, the three rotor coils 137 wound on each surface of the rotary blade 136 are all wound constant in the same direction.
  • the three rotor coils 137 are supplied with an operating current intermittently by the connection of the improved brush 140 and the commutator piece 139, and the electromagnetic field formed by the rotor coil 137 that receives the current is stator.
  • the force caused by the attractive force and the repulsive force is converted into rotational force by the electromagnetic field and polarity formed by the coil 126.
  • the supply of the operating current is cut off and the operating current is supplied to the rotor coil 137 of the next order is generated by the attraction and repulsive force of the three rotor coils 137 to rotate a constant angle
  • the electromagnetic field is formed, and the supply of the operating current is cut off to the rotor coil which has completed the rotation of the predetermined angle again by the attraction force and the repulsive force with the stator coil 126.
  • the function of supplying the operating current while the rotor coil 137 rotates at a predetermined angle is contacted by the commutator piece 139 attached to the outer circumferential surface of the commutator tube 138 at a predetermined angle and the improved brush 140. Is done.
  • the rotor coil 137 is fixed because the three rotor coils 137 rotate in the corresponding angle unit by the electromagnetic field formed by the predetermined angle unit in the electromagnetic field formed by the stator coil 126.
  • the rotor unit 130 rotates continuously.
  • FIG. 4 is a view showing a state in which a stator frame is formed using a bobbin according to an example of the present invention.
  • the bobbin 500 is shown a plan view of the coil bobbin 510 having a failure shape having a partition wall at both ends. At one end of the coil bobbin 510, a dividing line dividing 360 degrees into six by 60 degrees is provided, and a rectangular shape adjacent to two dividing lines dividing any one angle selected from six 60 degrees angles protrudes. 520 is formed.
  • Forming a stator frame 122 is formed by closely contacting a flat tin of a predetermined width and a predetermined length to the outer circumferential surface of the coil bobbin 510 in which the protrusion 520 of the bobbin 500 is formed. In addition, by forming a flat contact of a short length in close contact with the coil holder 124 to form.
  • a plurality of stator parts 120 may be repeatedly formed.
  • FIG. 5 is a side view of the improved brush according to one example of the present invention.
  • the brush according to the prior art molds the curved surface (ROUND) twice for contact elasticity with the commutator piece (139).
  • the elasticity generated by the curved molding has an advantage of relatively soft contact between the brush and the commutator piece.
  • curved surface forming is relatively difficult and time consuming, and there are many problems, such as poor productivity and high price.
  • the improved brush 140 according to the present invention is bent twice at a constant obtuse angle, the configuration is simple and secures great elasticity and has advantages in reducing manufacturing time and cost.
  • the stator part 120 may be repeatedly manufactured by the bobbin 500, and the rotation blade may form an obtuse angle of less than 120 degrees by a dividing line of 60 degrees. Since it is possible to repeat the production of the direct current electric motor, it is possible to repeat the learning experience, the improved brush 140 is bent at an obtuse angle twice to ensure a simple yet large elasticity, the screw hole 410 formed in the base plate 400 It is easy to assemble and has the advantage of assembling a DC electric motor accurately.

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)
  • Instructional Devices (AREA)

Abstract

La présente invention concerne un kit de moteur à courant continu destiné à des supports d'enseignement et utilisé comme matériel d'entraînement pour les sciences de base, afin de comprendre la structure du moteur à courant continu, les principes de déplacement et la direction de circulation du courant. Le kit comprend : un support de tige pour la fixation d’une tige rotative, une partie stator qui génère un champ électromagnétique, une partie rotateur qui tourne grâce à la force d'attraction et de répulsion fournie par le champ magnétique de trois bobines de rotateur, un balai amélioré qui est plié deux fois selon un angle obtus, un support de batterie pour détacher/attacher une batterie, un commutateur pour fournir et couper un courant de fonctionnement, une plaque de base dotée d'une pluralité de trous de vis, un aggloméré dont une partie d’un côté présente la forme interne d'un cadre de stator, et un système d’essai simple qui détecte tout court-circuit dans le circuit électrique puis le signale par une lumière.
PCT/KR2010/001648 2009-03-18 2010-03-17 Kit de moteur électrique cc pour supports d’enseignement Ceased WO2010107245A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020090003143U KR200446603Y1 (ko) 2009-03-18 2009-03-18 학습교재용 직류 전기 모터 키트
KR20-2009-0003143 2009-03-18

Publications (2)

Publication Number Publication Date
WO2010107245A2 true WO2010107245A2 (fr) 2010-09-23
WO2010107245A3 WO2010107245A3 (fr) 2011-01-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/001648 Ceased WO2010107245A2 (fr) 2009-03-18 2010-03-17 Kit de moteur électrique cc pour supports d’enseignement

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KR (1) KR200446603Y1 (fr)
WO (1) WO2010107245A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113516895A (zh) * 2020-04-09 2021-10-19 刘可 一种物理模型综合展示学习系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101083629B1 (ko) 2010-06-04 2011-11-17 (주)아이지 교육용 회전기기 조립세트
KR101872530B1 (ko) * 2012-06-18 2018-06-28 현대일렉트릭앤에너지시스템(주) 유도전동기 작동시험장치
CN103971554B (zh) * 2014-04-29 2016-01-20 国家电网公司 电能计量装置故障带电检查模拟练习与考核系统
CN114882754A (zh) * 2022-04-26 2022-08-09 内蒙古工业大学 一种智能综合实训控制装置及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980057571U (ko) * 1997-02-06 1998-10-15 손지혜 휴즈 단락 검지 테스터
KR200350013Y1 (ko) 2004-02-24 2004-05-08 김한진 학습용 전자회로 조립 키트
KR100645585B1 (ko) * 2004-12-14 2006-11-15 현대자동차주식회사 직류 모터
KR20070030381A (ko) * 2005-09-13 2007-03-16 엘지이노텍 주식회사 직류 모터

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113516895A (zh) * 2020-04-09 2021-10-19 刘可 一种物理模型综合展示学习系统

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Publication number Publication date
KR200446603Y1 (ko) 2009-11-12
WO2010107245A3 (fr) 2011-01-06

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