KR900007926Y1 - A plane speaker with two voice coils - Google Patents

A plane speaker with two voice coils Download PDF

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Publication number
KR900007926Y1
KR900007926Y1 KR2019880002571U KR880002571U KR900007926Y1 KR 900007926 Y1 KR900007926 Y1 KR 900007926Y1 KR 2019880002571 U KR2019880002571 U KR 2019880002571U KR 880002571 U KR880002571 U KR 880002571U KR 900007926 Y1 KR900007926 Y1 KR 900007926Y1
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KR
South Korea
Prior art keywords
voice coil
magnet
flat
speaker
voice
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KR2019880002571U
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Korean (ko)
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KR890018435U (en
Inventor
김병수
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삼성전기 주식회사
서주인
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Priority to KR2019880002571U priority Critical patent/KR900007926Y1/en
Publication of KR890018435U publication Critical patent/KR890018435U/en
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Publication of KR900007926Y1 publication Critical patent/KR900007926Y1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers

Abstract

내용 없음.No content.

Description

이중 보이스 코일을 갖춘 평면형 스피커Flat speaker with double voice coil

제1도는 종래의 평면스피커에 대한 예시도.1 is an illustration of a conventional planar speaker.

제2도는 본 고안에 따른 평면스피커의 예시도.Figure 2 is an illustration of a planar speaker according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 요우크(YOKE) 2 : 내측보이스코일1: YOKE 2: Inner Boy Coil

2' : 외측보이스코일 3 : 진동판2 ': outer voice coil 3: diaphragm

4 : 마그네트(MAGNET) 5 : 상부판4: MAGNET 5: Top plate

6 : 보조프레임 6' : 외부프레임6: auxiliary frame 6 ': outer frame

7 : 내측댐퍼(DAMPER) 7' : 외측댐퍼7: Inner damper 7 ': Outer damper

8 : 폴(POLE) 9 : 내측공극8: Pole 9: Inner pore

9' : 외측공극 10 : 엣지(EDGE)9 ': outside void 10: edge (EDGE)

본 고안은 평면 스피커에 있어서, 이중 보이스코일을 형성시켜 지향성 및 평면진동판의 균일한 진동을 확보시키기 위한 평면형 스피커에 관한 것이다.The present invention relates to a flat speaker for forming a double voice coil in the flat speaker to ensure uniform vibration of the directivity and the flat vibration plate.

스피커는 일반적으로 진동판의 외형에 따라 코온형(CONE), 호온형(HORN), 도움형(DOME), 평면형으로 구분하고 있지만 본 고안에서는 이중 상기의 평면형 진동판을 갖춘 스피커를 그 안출 대상으로 하고 있다.Speakers are generally classified into CONE, HORN, DOME, and planar shapes according to the appearance of the diaphragm. However, in the present invention, a speaker having the above-mentioned flat diaphragm is a target of the design. .

주지하다시피, 스피커는 마그네트와 요우크 및 보이스코일로 이루어지는 자기 회로부와 상기 보이스코일(정확히는 보이스코일이 감긴 보빈)에 연접되어 음압을 발생시켜주는 진동판 및 상기 진동판과 프레임을 연접시켜주는 엣지(EDGE)로 구성되어서 상기 보이스코일에 음성전류가 흐르면 플래밍의 왼손법칙에 의하여 그 전류에 비례하는 보이스코일의 상하 움직임이 일어나고, 그 움직임이 진동판을 승강시켜 진동판과 공기와의 압력변화로 말미암은 음압의 변화, 즉 음을 발생시키게 되는 것이다.As is well known, a speaker is connected to a magnetic circuit portion consisting of a magnet, a yoke, and a voice coil and a voice coil (preferably a bobbin wound with a voice coil) to generate a sound pressure, and an edge connecting the vibration plate and the frame (EDGE). When a voice current flows through the voice coil, the vertical movement of the voice coil in proportion to the current occurs by the left-hand law of flaming, and the movement raises and lowers the diaphragm to cause the negative pressure caused by the change in pressure between the diaphragm and air. Change, or sound.

그러나, 종래의 평면스피커에 있어서도 제1도에서 도시한 바와 같이 센터포올(CENTER POLE)을 중심으로 하나의 보이스코일이 위치하게 되므로 자연히 진동판과 보이스코일의 접합분이 진동판의 중앙에 있게 되고 이에 따라 보이스코일의 진동이 전달되는 부위가 중앙에 치우치게 되어 장방형이나 타원형의 진동판을 갖는 평면스피커에 있어서는 평면진동판의 장축부위까지 균일한 진동을 전달할 수 없는 결점을 가지고 있다. 즉 진동판의 승강운동시 진동의 불균일성으로 양호한 지향특성을 얻을 수 없었던 것이다.However, even in a conventional planar speaker, as shown in FIG. 1, one voice coil is positioned around a center pole, so that a junction between the diaphragm and the voice coil is naturally in the center of the diaphragm. The area where the vibration of the coil is transmitted is biased in the center, and in the case of a flat speaker having a rectangular or elliptical diaphragm, a uniform vibration cannot be transmitted to the long axis of the flat vibration plate. That is, good directivity was not obtained due to the nonuniformity of vibration during the lifting motion of the diaphragm.

본 고안은 종래의 이러한 결점을 해결하기 위하여 하나의 자기 회로에 두개의 보이스코일을 설치한 것으로, 상부판상에 보조 프레임을 설치하여 내측 지지대를 형성시키고, 이와 수평으로 주 프레임에 외측 지지대를 형성시켜 진동판이 상기 외측 지지대에 지지되므로써 진동판의 분할진동을 막고 지향성을 향상시키토록 한 것이다.The present invention is provided with two voice coils in one magnetic circuit in order to solve the conventional drawbacks, by installing an auxiliary frame on the top plate to form an inner support, and to form an outer support in the main frame horizontally The diaphragm is supported by the outer support to prevent the vibration of the diaphragm and improve the directivity.

이하 첨부도면을 참고로 본 고안을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 고안은 자기회로부를 이루는 요우크(1)내에 내측 보이스코일(2)과 외측 보이스코일(2')을 설치시켜 평면진동판(3)을 균일하게 지지시키기 위한 것으로서, 상기 내측 보이스코일(2)은 마그네트(4)의 상부판(5)상에 설치시킨 보조프레임(6)에 내측 댐퍼(7)로 지지되어 폴(8)과 마그네트(4)사이의 공극(9)에 설치되고, 외측 보이스코일(2)은 외부프레임(6')에 외측댐퍼(7')로서 지지되어 마그네트(4) 외측의 공극(9')에 설치되어 상기 보이스코일(2, 2')의 상단이 엣지(10)에 의해 외부프레임(6')에 지지설치된 평면진동판(3)에 접합되어 평면진동판(3)을 수평으로 지지하는 구조를 이루고 있다.The present invention is to uniformly support the flat vibration plate (3) by installing the inner voice coil (2) and the outer voice coil (2 ') in the yoke (1) forming a magnetic circuit portion, the inner voice coil (2) Is supported by the inner damper 7 in the auxiliary frame 6 installed on the upper plate 5 of the magnet 4, and is installed in the air gap 9 between the pole 8 and the magnet 4, and the outer voice The coil 2 is supported on the outer frame 6 'as an outer damper 7' and installed in the air gap 9 'outside the magnet 4 so that the upper ends of the voice coils 2 and 2' are edge 10. Is bonded to the flat vibration plate 3 supported on the outer frame 6 'to form a structure for horizontally supporting the flat vibration plate 3.

상기와 같은 본 고안은 보이스코일(2, 2')에 음성전류를 흘리면 내측 보이스코일(2)은 마그네트(4)의 내측에서, 왹측 보이스코일(2')은 마그네트(4)의 외측에서 각기 한 방향으로 일정하게 상하운동을 하게 되고, 이에 따라 보이스코일(2, 2')의 상단에 접착되어 있는 평면진동판(3)이 진동을 하게 되는 것이다.According to the present invention as described above, when a voice current flows through the voice coils 2 and 2 ', the inner voice coil 2 is inside the magnet 4, and the left side voice coil 2' is outside the magnet 4, respectively. It is a vertical movement in a constant direction, and thus the flat vibration plate (3) bonded to the upper end of the voice coil (2, 2 ') is to vibrate.

또한 두개의 보이스코일(2, 2')은 동시에 한 방향으로 진동할 수 있도륵 극성을 조절한다.In addition, the two voice coils 2 and 2 'adjust the polarity so that they can vibrate in one direction at the same time.

이상과 같은 본 고안은 평면진동판(3)을 두개의 보이스코일(2, 2')을 사용하여 지지해 줌으로서 타원과 장방형 등의 평면스피커에 있어서도 균일한 진동을 진동판(3) 전역에 고르게 전달시킬 수 있으므로 평면스피커만이 가질 수 있는 양호한 지향특성을 얻을 수 있는 장점이 있는 것이다.As described above, the present invention supports the flat vibrating plate 3 using two voice coils 2 and 2 'so that even vibration is uniformly transmitted throughout the vibrating plate 3 even in a flat speaker such as an ellipse and a rectangle. Since it is possible to obtain a good directivity that only the planar speaker can have is an advantage.

Claims (1)

요우크내의 마그네트와 상부판 및 보이스코일로 이루어지는 자기 회로부와 평면진동판 및 프레임으로 구성되는 평면형 스피커에 있어서, 포올(8)과 마그네트(4) 및 요우크(1) 사이에 공극(9, 9')이 형성되도록 상기 포올(8)과 마그네트(4)를 균등배치하고 상기 상부판(5) 상에 보조프레임(6)을 설치하여 내측공극(9)에 위치하는 내측 보이스코일(2)이 내측댐퍼(7)에 의해 상기 보조프레임(6)에 지지되도록 하고, 외측공극(9')에 위치하는 외측 보이스코일(2')은 외측댐퍼(7')로 외부프레임(6')에 지지되도록 하되, 상기 보이스코일(2, 2')의 선단부는 엣지(10)에 의해 외부프레임(6')에 지지 설치된 평면진동판(3)과 접합되어 상기 평면진동판(3)을 수평으로 지지시켜 주도록 구성시킨 것을 특징으로 하는 이중 보이스코일을 갖춘 평면형 스피커.In a planar speaker composed of a magnetic circuit portion consisting of a magnet, a top plate, and a voice coil in a yoke, a flat vibration plate, and a frame, a space (9, 9 ') between the pole (8), the magnet (4), and the yoke (1). ) Is formed so that the pool 8 and the magnet 4 are equally arranged, and an auxiliary frame 6 is installed on the upper plate 5 so that the inner voice coil 2 positioned in the inner cavity 9 is inward. The damper 7 is supported by the auxiliary frame 6, and the outer voice coil 2 'positioned in the outer space 9' is supported by the outer damper 7 'by the outer frame 6'. However, the front end portions of the voice coils 2 and 2 'are joined to the flat vibration plate 3 supported on the outer frame 6' by the edge 10 to support the flat vibration plate 3 horizontally. Flat speaker with a double voice coil, characterized in that.
KR2019880002571U 1988-02-29 1988-02-29 A plane speaker with two voice coils KR900007926Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880002571U KR900007926Y1 (en) 1988-02-29 1988-02-29 A plane speaker with two voice coils

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Application Number Priority Date Filing Date Title
KR2019880002571U KR900007926Y1 (en) 1988-02-29 1988-02-29 A plane speaker with two voice coils

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KR890018435U KR890018435U (en) 1989-09-09
KR900007926Y1 true KR900007926Y1 (en) 1990-08-25

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