KR20100115655A - Linear vibrator - Google Patents

Linear vibrator Download PDF

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Publication number
KR20100115655A
KR20100115655A KR1020090034346A KR20090034346A KR20100115655A KR 20100115655 A KR20100115655 A KR 20100115655A KR 1020090034346 A KR1020090034346 A KR 1020090034346A KR 20090034346 A KR20090034346 A KR 20090034346A KR 20100115655 A KR20100115655 A KR 20100115655A
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KR
South Korea
Prior art keywords
case
permanent magnet
support shaft
moving
moving part
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KR1020090034346A
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Korean (ko)
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이인호
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이인호
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Priority to KR1020090034346A priority Critical patent/KR20100115655A/en
Publication of KR20100115655A publication Critical patent/KR20100115655A/en

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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
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/10—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • 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
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/04—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
    • H02K33/08—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation with DC energisation superimposed on AC energisation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

PURPOSE: The linear vibrator supports the moving part through the supporting shaft. The dumping knuckle is improved. CONSTITUTION: It is inserted into the supporting shaft(65) silver case. The bearing is touched with the supporting shaft outer circumference in order to mobile. The mass(68) protects a part of bearing. The moving part(71) is included of the fixing member clinching coil on the mass. The permanent magnet(66) protects a part of bearing.

Description

선형 진동기 {Linear vibrator}Linear vibrator {Linear vibrator}

본 발명은 이동통신 단말기 등에서 착신기능 유형 중 하나인 진동기능을 발생시키는 장치에 관한 것으로, 안정되고 균일한 진동량을 전달시키며, 초소형이면서 선형으로 진동하는 진동기에 관한 것이다.  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for generating a vibration function, which is one of the incoming call function types, in a mobile communication terminal. The present invention relates to a vibrator that transmits a stable and uniform amount of vibration and which is extremely small and linearly vibrates.

도 1은 종래의 진동기 단면도로, 이에 대한 설명은 다음과 같다.1 is a cross-sectional view of a conventional vibrator, a description thereof is as follows.

특허등록번호 (제)10-0593900에 도시된 바와 같이, 마그네트(14)와 상기 마그네트(14)를 감싸는 요크(15) 및 상기 요크(15)의 양 측면에 부착된 소정 크기의 질량을 갖는 질량체(16)로 이루어진 운동부(20)와 상기 운동부(20)의 하부에 배치된 코일어셈블리(13)를 구비하는 베이스어셈블리(12), 상기 베이스어셈블리(12)와 그 상측에 구비된 상기 운동부(20)를 덮는 케이스(11) 및 상기 케이스(11)의 상면 내측에 고정되는 판 스프링(17)인 탄성부재를 포함하고, 상기 마그네트(14)에 의한 자기력과 상기 코일어셈블리(13)에서 발생한 소정 주파수의 전자기력의 상호작용으로 상기 운동부(20)가 상하 공진을 일으키는 것을 특징으로 하는 공진주파수를 이용한 진동기이다. As shown in Patent Registration No. 10-0593900, a mass body having a magnet 14, a yoke 15 surrounding the magnet 14, and a mass having a predetermined size attached to both sides of the yoke 15. A base assembly 12 having a moving part 20 made up of 16 and a coil assembly 13 disposed below the moving part 20, the base assembly 12, and the moving part 20 provided above the base assembly 12. ) And a resilient member, which is a leaf spring 17 fixed to the inner side of the upper surface of the case 11 and covers the magnetic force generated by the magnet 14 and a predetermined frequency generated by the coil assembly 13. The vibrator using the resonant frequency, characterized in that the movement unit 20 causes the vertical resonance by the interaction of the electromagnetic force.

종래의 진동장치는 비교적 얇은 판 스프링에 의존하여 운동부가 고정 지지되고 있는 데, 이러한 종래의 진동장치는 외부의 충격에 의해 스프링이 변형 되기 쉬워, 중요한 신뢰성 특성 중 하나인 낙하특성에 취약한 구조로 되어 있다. 그리고, 종래의 진동장치의 판스프링은 케이스와 운동부에 용접등에 의해 고정되어 있는 데, 이렇게 비교적 얇은 판스프링을 고정하는 제조공정이 어려워 생산시 불량이 많이 발생하는 단점이 있다.  The conventional vibrator is fixedly supported by a moving part depending on the relatively thin plate spring, the conventional vibrator is susceptible to falling characteristics, which is one of important reliability characteristics, the spring is easily deformed by an external impact. have. In addition, the plate spring of the conventional vibrator is fixed to the case and the moving part by welding, etc., the manufacturing process of fixing the relatively thin plate spring is difficult, there is a disadvantage that a lot of defects during production.

이에 본 발명은 상기와 같은 종래 기술을 해결하고자 한다.Accordingly, the present invention is to solve the prior art as described above.

본 발명은 종래 진동기의 단점을 해결하기 위해 다음과 같은 수단을 이용하였다.  The present invention uses the following means to solve the disadvantages of the conventional vibrator.

먼저, 운동부를 스프링에 의해서만 지지 되지 않고, 지지축을 배치하여 지지축에 의해서도 지지되도록 구성하였다. 그리고, 스프링을 종래처럼 용접등에 의한 고정구조가 아니라 운동부의 양쪽에 배치하여 케이스와 단순 지지되는 구조로 구성하였다.First, the moving part was not supported only by the spring, but the support shaft was arrange | positioned and it was comprised so that it may be supported by the support shaft. Then, the spring is arranged on both sides of the moving part instead of the fixed structure by welding or the like, and the spring and the structure are simply supported.

본 발명은 운동부가 지지축을 따라 진동하기 때문에, 운동부는 기울어지지 않고 평행하게 진동하므로, 다른 부품과의 부딪힘이 없어 신뢰성이 향상되고, 운동부가 단순 스프링에 의해서만 지지되는 것이 아니라, 지지축에 의해 지지 되므로 낙하성능 또한 향상된다. 그리고, 스프링을 운동부에 양쪽에 배치하여 단순 지지되는 구조로 구성하여 생산 작업성을 용이하게 하였고, 고정에 의한 불량을 없앨 수 있도록 하였다. In the present invention, since the moving part vibrates along the support shaft, the moving part vibrates in parallel without being tilted, so that there is no collision with other parts, thereby improving reliability, and the moving part is not supported only by the simple spring, but is supported by the support shaft. Therefore, the drop performance is also improved. In addition, the spring is arranged on both sides of the moving part to constitute a structure that is simply supported to facilitate production workability and to eliminate defects caused by fixing.

상기 목적을 달성하기 위한 본 발명에 따른 선형 진동기를 첨부한 도면을 참조하여 상세히 설명한다.   With reference to the accompanying drawings, a linear vibrator according to the present invention for achieving the above object will be described in detail.

도 2는 본 발명에 따른 선형 진동기의 단면도이고, 도 3은 사시도 이다. 2 is a cross-sectional view of a linear vibrator according to the present invention, Figure 3 is a perspective view.

본 발명에 따른 선형 진동기는 내부에 소정의 공간을 가지는 케이스(61)가 구성되어 있고, 상기 케이스(61)는 상부케이스(62), 하부케이스(63)로 이루어져 있으며, 상기 케이스(62,63) 일부에는 지지축(64)이 삽입되어 있다. 이때 상기 지지축(64)을 원활하게 연결할 수 있도록 상기 케이스(62,63) 일부에는 지지축용 홈과 돌기(75) 형상이 구성되어 있다.The linear vibrator according to the present invention is composed of a case 61 having a predetermined space therein, the case 61 is composed of an upper case 62, a lower case 63, the case (62, 63) The support shaft 64 is inserted in a part. In this case, the support shaft groove and the protrusion 75 are formed in a part of the case 62 and 63 so as to smoothly connect the support shaft 64.

그리고, 상기 지지축(64)에는 운동부(70)가 배치되어 있는 데, 상기 운동부(70)는 상기 지지축(64) 외주면에 이동 가능하도록 접촉된 베어링(65), 상기 베어링(67)의 일부를 감싸는 영구자석(66), 상기 영구자석(66)의 하단부에 자기적인 회로를 구성하기 위한 플레이트(67), 상기 영구자석(66)에 일부는 고정되면서 영구자석과 일정 한 공간을 가지고 배치된 요크(68), 상기 요크(68)의 일부를 감싸는 질량체(69)로 이루어져 있다.In addition, a moving part 70 is disposed on the support shaft 64, and the moving part 70 is in contact with the bearing 65 and a part of the bearing 67 so as to be movable on an outer circumferential surface of the support shaft 64. Permanent magnets surrounding the 66, the plate 67 for forming a magnetic circuit at the lower end of the permanent magnets 66, while being fixed to a part of the permanent magnets 66 is disposed with a permanent magnet and a predetermined space A yoke 68 and a mass 69 surrounding a part of the yoke 68 are formed.

그리고, 상기 케이스(61)의 일부에 배치되면서 상기 영구자석(66)과 전자기적인In addition, while being disposed on a part of the case 61, the permanent magnet 66 and the electromagnetic

힘이 작용하도록 코일(71)이 배치되어 있으며, 상기 하부 케이스(63)의 일부에 고정되어 상기 코일(71)에 외부로부터 전원이 공급 가능하도록 연결된 회로기판(72)이 구성되어 있으며, 상기 운동부(70)가 외부전원을 통해 진동을 할 때, 운동부와 케이스의 충돌을 방지 하기 위해 상기 케이스 일부에 댐퍼를 구성하였다.A coil 71 is disposed to act as a force, and a circuit board 72 is fixed to a part of the lower case 63 and connected to the coil 71 so that power can be supplied from the outside. When the 70 vibrates through an external power source, a damper is formed at a part of the case to prevent a collision between the moving part and the case.

그리고, 상기 운동부(70) 양쪽에 각각 지지되는 적어도 두개 이상의 스프링(73)이 구성되어 있으며, 상기 스프링(73) 형상을 상기 운동부(70)의 최대 이동거리를 확보하기 위해 원뿔형 또는 다각형 뿔의 구조로 구성할 수 있다.In addition, at least two springs 73 are supported on both sides of the moving part 70, and the shape of the spring 73 has a conical or polygonal horn structure to secure the maximum moving distance of the moving part 70. It can be configured as.

상기와 같이 구성된 본 발명에 따른 선형진동기는 외부로부터 전원이 공급되면 코일과 영구자석의 전자기적인 작용에 의해 운동부가 상하방향으로 왕복 운동하게 되는 선형진동기이다. The linear vibrator according to the present invention configured as described above is a linear vibrator in which the moving part reciprocates in the vertical direction by the electromagnetic action of the coil and the permanent magnet when power is supplied from the outside.

도 1은 종래의 선형 진동기의 단면도. 1 is a cross-sectional view of a conventional linear vibrator.

도 2는 본 발명에 따른 선형 진동기의 단면도. 2 is a cross-sectional view of a linear vibrator according to the present invention.

도 3은 본 발명에 따른 선형 진동기의 사시도. 3 is a perspective view of a linear vibrator according to the present invention.

(도면의 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

61 : 케이스 62 : 상부케이스 61: case 62: upper case

63 : 하부케이스 64 : 지지축63: lower case 64: support shaft

65 : 베어링 66: 영구자석65: bearing 66: permanent magnet

67 : 플레이트 68 : 요크67 plate 68 yoke

69 : 질량체 70 : 운동부69: mass 70: moving part

71 : 코일 72 : 회로기판71: coil 72: circuit board

73 : 스프링 74 : 댐퍼73: spring 74: damper

75 : 지지축용 홈과 돌기 75: groove and protrusion for the support shaft

Claims (5)

내부에 소정의 공간을 가지는 케이스,A case having a predetermined space therein, 상기 케이스에 삽입된 지지축,A support shaft inserted into the case, 상기 지지축 외주면에 이동 가능하도록 접촉된 베어링,A bearing in contact with the support shaft outer circumferential surface so as to be movable; 상기 베어링의 일부를 감싸는 영구자석,Permanent magnet surrounding a part of the bearing, 상기 영구자석 끝단부에 배치되는 플레이트,A plate disposed at the end of the permanent magnet, 상기 영구자석에 일부는 고정되면서 영구자석과의 사이에 소정의 공간을 가지고 A part of the permanent magnet is fixed and has a predetermined space between the permanent magnets. 형성된 요크,Formed yoke, 상기 요크의 일부를 감싸는 질량체로 이루어진 운동부,A moving part formed of a mass surrounding a part of the yoke, 상기 케이스의 일부에 배치되면서 상기 영구자석과 전자기적인The permanent magnet and the electromagnetic is disposed on a part of the case 힘이 작용하도록 배치된 코일,Coils arranged for force, 상기 케이스의 일부에 고정되어 상기 코일에 외부로부터 Fixed to a part of the case from the outside to the coil 전원이 공급 가능하도록 연결된 회로기판,A circuit board connected to supply power; 상기 운동부 양쪽에 각각 지지되는 적어도 두개 이상의 스프링으로At least two springs respectively supported on both sides of the moving part 이루어진 구조에 있어서, In the structure made up, 상기 운동부가 코일에 공급되는 외부전원에 의해 왕복 운동하는 선형진동기.Linear vibrator reciprocating by the external power supplied to the moving portion coil. 제 1항에 있어서,   The method of claim 1, 상기 케이스의 일부에 배치되며 운동부와 케이스의 충돌을 방지하기 위한 댐퍼를 가지는 구조.Is disposed on a part of the case structure having a damper for preventing the collision of the moving part and the case. 제 1항에 있어서,   The method of claim 1, 상기 케이스 일부에 상기 지지축이 원활히 삽입 연결되도록 홈과 돌기 형상을 가지는 구조.A structure having a groove and a projection shape so that the support shaft is inserted into the case portion smoothly connected. 제 1항에 있어서,   The method of claim 1, 상기 운동부의 최대 이동거리를 확보하기 위해 상기 스프링의 형상이 원뿔형 또는 다각형 뿔의 구조로 되어 있는 구조.In order to secure the maximum moving distance of the moving portion structure of the spring is a conical or polygonal horn structure. 제 1항에 있어서,   The method of claim 1, 상기 마그네트 끝단부에 배치된 플레이트가 아몰퍼스나 규소강판 등 자성체로 이루어진 구조The plate disposed at the end of the magnet is made of a magnetic material such as amorphous or silicon steel sheet
KR1020090034346A 2009-04-20 2009-04-20 Linear vibrator KR20100115655A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105099269A (en) * 2015-09-02 2015-11-25 北京印刷学院 Symmetric bilateral resonant electromagnetic transformation mass energy conversion device for remote monitoring of railway
KR101857611B1 (en) * 2012-04-25 2018-05-15 주식회사 엠플러스 Linear Motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101857611B1 (en) * 2012-04-25 2018-05-15 주식회사 엠플러스 Linear Motor
CN105099269A (en) * 2015-09-02 2015-11-25 北京印刷学院 Symmetric bilateral resonant electromagnetic transformation mass energy conversion device for remote monitoring of railway

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