JP3089863B2 - Speaker - Google Patents
SpeakerInfo
- Publication number
- JP3089863B2 JP3089863B2 JP04323926A JP32392692A JP3089863B2 JP 3089863 B2 JP3089863 B2 JP 3089863B2 JP 04323926 A JP04323926 A JP 04323926A JP 32392692 A JP32392692 A JP 32392692A JP 3089863 B2 JP3089863 B2 JP 3089863B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- roll
- speaker
- peripheral portion
- edge material
- 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.)
- Expired - Fee Related
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は主に映像用機器や情報用
機器などに使用されるスピーカに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loudspeaker mainly used for video equipment and information equipment.
【０００２】[0002]
【従来の技術】近年マルチメディアの本格的な到来を迎
える中で、映像用機器やコンピュータを中心とした情報
用機器に使用されるスピーカとしてスリムかつ薄型で、
広帯域、高音質な特性を有するものが要求されている。2. Description of the Related Art In recent years, with the arrival of multimedia in earnest, slim and thin speakers have been used for video equipment and information equipment such as computers.
What has the characteristic of a wide band and high sound quality is demanded.
【０００３】以下に従来の情報用機器に使用されるスピ
ーカについて説明する。図２は従来の情報用機器に使用
されるスピーカを示すものであり、プレート２３、円柱
状のマグネット２１を中心部に積層して結合したヨーク
２２によって磁気回路を構成している。この磁気回路に
フレーム２４を結合し、このフレーム２４の周縁部に振
動板２６の外周部に内周部を貼り合わせたロール状のエ
ッジ材２７の外周部を接着剤などにより結合し、この振
動板２６の中央部にボイスコイル２５を結合し、このボ
イスコイル２５の中間部を上記エッジ材２７のロール外
径より小なる外形寸法を有するダンパー２８で支持して
ボイスコイル２５の下部を上記磁気回路の磁気ギャップ
に偏心すること無くはまり込むようにし、さらにボイス
コイル２５の上部にダストキャップ２９を貼り付けて構
成されたものであった。[0003] A speaker used in a conventional information device will be described below. FIG. 2 shows a speaker used in a conventional information device. A magnetic circuit is constituted by a yoke 22 in which a plate 23 and a columnar magnet 21 are laminated and connected at the center. A frame 24 is connected to this magnetic circuit, and an outer peripheral portion of a roll-shaped edge member 27 in which an inner peripheral portion is attached to an outer peripheral portion of the diaphragm 26 is attached to an outer peripheral portion of the frame 24 with an adhesive or the like. A voice coil 25 is connected to a center portion of the plate 26, and an intermediate portion of the voice coil 25 is supported by a damper 28 having an outer dimension smaller than the outer diameter of the roll of the edge material 27. It is configured to fit into the magnetic gap of the circuit without eccentricity, and further has a dust cap 29 attached to the upper part of the voice coil 25.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら上記従来
の構成では外径寸法が４０mm×３０mm、厚さ１０mm程度
の寸法に構成した場合でも、性能的には最低共振周波数
ｆ0＝４００Hz、入力が０．５Ｗ程度の性能を発揮する
のが限界であり、今後マルチメディア機器用としての音
声再生に対する性能要求（最低共振周波数ｆ0＝３００H
z以下、入力１Ｗ以上）を満足させることができないと
いう課題があり、かつこの問題を解決するためには入力
の向上に対して発生する振動板のローリングによる異常
音の発生を解消し、さらに最低共振周波数を下げるとい
うことが必要であった。However, in the above-mentioned conventional configuration, even when the outer diameter is set to a size of about 40 mm × 30 mm and the thickness is about 10 mm, the minimum resonance frequency f 0 = 400 Hz and the input is 0 in terms of performance. The limit is to exhibit a performance of about 5 W. In the future, performance requirements for audio reproduction for multimedia devices (minimum resonance frequency f 0 = 300H)
z or less, input 1 W or more) cannot be satisfied, and in order to solve this problem, the generation of abnormal noise due to the rolling of the diaphragm that occurs due to the improvement of the input is eliminated. It was necessary to lower the resonance frequency.
【０００５】本発明は上記従来の問題点を解決し、振動
板のローリング現象によって起こる異常音を解消するこ
とによる入力向上を図ると共に最低共振周波数の低減を
実現し、今後のマルチメディア機器用として最適なスピ
ーカを提供することを目的とするものである。The present invention solves the above-mentioned conventional problems, improves the input by eliminating the abnormal sound caused by the rolling phenomenon of the diaphragm, and realizes the reduction of the minimum resonance frequency. It is an object to provide an optimal speaker.
【０００６】[0006]
【課題を解決するための手段】この課題を解決するため
に本発明のスピーカは、振動板の外周部をエッジ材のロ
ール内径より大きな外形寸法に形成し、かつ振動板全体
の質量をＡとしたとき、エッジ材の内周部との結合面よ
り外側部分の振動板の質量を０．４Ａ〜０．６Ａとする
と共に、上記エッジ材のロール外径より大きな外形寸法
に形成されたダンパーを貼り合わせた構成としたもので
ある。According to the present invention, there is provided a speaker according to the present invention, wherein an outer peripheral portion of a diaphragm is formed to have an outer dimension larger than an inner diameter of a roll of an edge material, and the mass of the entire diaphragm is represented by A. Then, the mass of the diaphragm outside the coupling surface with the inner peripheral portion of the edge material is set to 0.4A to 0.6A, and the damper formed to have an outer dimension larger than the outer diameter of the roll of the edge material. This is a configuration in which they are bonded together.
【０００７】[0007]
【作用】この構成によって、ダンパーの外形寸法を大き
くしたことによって最低共振周波数の低減が可能とな
り、さらにエッジ材のロール内径を支点として振動板の
重量バランスがとれることによって振動板のローリング
現象が解消でき、入力の向上を図ることができる。With this configuration, the minimum resonance frequency can be reduced by increasing the external dimensions of the damper, and the weight of the diaphragm can be balanced by using the inner diameter of the roll of the edge material as a fulcrum to eliminate the rolling phenomenon of the diaphragm. And input can be improved.
【０００８】[0008]
【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。図１は本発明によるスピーカの断面
図を示すものである。図１において、１２はプレート１
３、円柱状のマグネット１１を中心部に積層して結合す
ると共に磁気ギャップを形成した磁気回路を構成するヨ
ークである。このヨーク１２の外周部にフレーム１４を
結合し、このフレーム１４の周縁部にロール状に形成さ
れたエッジ材１７のロール内径ａより大きな外形寸法に
形成された振動板１６を貼り合わせた上記エッジ材１７
の外周部を接着剤などにより結合し、この振動板１６の
中央部にボイスコイル１５を結合し、このボイスコイル
１５の中間部をエッジ材１７のロール外径ｂより大きな
外形寸法ｃを有するダンパー１８で支持してボイスコイ
ル１５の下部を上記磁気回路の磁気ギャップに偏心する
ことなくはまりこむようにし、さらにボイスコイル１５
の上部にダストキャップ１９を貼り合わせた構成として
いる。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a sectional view of a speaker according to the present invention. In FIG. 1, 12 is a plate 1
3. A yoke which constitutes a magnetic circuit in which a columnar magnet 11 is laminated and coupled at the center and a magnetic gap is formed. A frame 14 is connected to the outer peripheral portion of the yoke 12, and a diaphragm 16 having an outer dimension larger than the inner diameter a of the roll of the edge material 17 formed in a roll shape is attached to the peripheral portion of the frame 14. Lumber 17
Are bonded by an adhesive or the like, and a voice coil 15 is connected to a central portion of the diaphragm 16. A middle portion of the voice coil 15 is a damper having an outer dimension c larger than a roll outer diameter b of the edge material 17. 18 so that the lower part of the voice coil 15 fits into the magnetic gap of the magnetic circuit without being eccentric.
A dust cap 19 is attached to the upper part of the device.
【０００９】以上のように構成された本発明のスピーカ
について、以下にその動作について説明する。まず、ス
ピーカとして動作させるとダンパー１８の外形寸法が従
来のスピーカより大きくできることにより、最低共振周
波数ｆ0の低減が可能となり、さらにエッジ材１７のロ
ール内径部を支点として振動板１６の重量バランスがと
れることによって、振動板１６のローリング現象が解消
でき、入力の向上に対する異常音の発生を防止できる。The operation of the loudspeaker of the present invention configured as described above will be described below. First, when operated as a speaker, the outer dimensions of the damper 18 can be made larger than those of a conventional speaker, so that the lowest resonance frequency f 0 can be reduced. With this, the rolling phenomenon of the diaphragm 16 can be eliminated, and the occurrence of abnormal sound due to the improvement of the input can be prevented.
【００１０】以上のように本実施例によれば、振動板１
６の外周部をエッジ材１７のロール内径より大きな外形
寸法に形成し、さらに振動板１６全体の質量をＡとした
とき、エッジ材１７のロール内径より外側部分の振動板
１６の質量を０．４Ａ〜０．６Ａとし、さらに磁気回路
を構成するヨーク１２の周縁部にエッジ材１７のロール
外径より大きな外形寸法に形成されたダンパー１８を貼
り合わせた構成にすることによって、スピーカとして動
作した際に振動板１６のローリング現象が発生せず、入
力の向上並びに最低共振周波数ｆ0の低減ができる。As described above, according to the present embodiment, the diaphragm 1
6 is formed with an outer dimension larger than the inner diameter of the roll of the edge member 17, and when the mass of the entire diaphragm 16 is A, the mass of the diaphragm 16 outside the inner diameter of the roll of the edge member 17 is set to 0.1. 4A to 0.6A, and furthermore, a damper 18 having an outer dimension larger than the outer diameter of the roll of the edge material 17 was attached to the periphery of the yoke 12 constituting the magnetic circuit, thereby operating as a speaker. In this case, the rolling phenomenon of the diaphragm 16 does not occur, so that the input can be improved and the minimum resonance frequency f 0 can be reduced.
【００１１】このような構成で外形寸法が４０mm×２８
mm、厚さ１０mm程度の寸法に構成したスピーカについて
性能を測定したところ、最低共振周波数ｆ0＝３００H
z、入力２Ｗ程度の結果を得ることができた。With such a configuration, the outer dimensions are 40 mm × 28.
When the performance of a speaker having dimensions of about 10 mm and a thickness of about 10 mm was measured, the lowest resonance frequency f 0 = 300H
z, a result of about 2 W of input was obtained.
【００１２】[0012]
【発明の効果】以上のように本発明によるスピーカは、
振動板の外周部をエッジ材のロール内径より大きな外形
寸法に形成し、さらに振動板全体の質量をＡとしたと
き、エッジ材のロール内径より外側部分の振動板の質量
を０．４Ａ〜０．６Ａとし、さらに磁気回路を構成する
ヨークの周縁部にエッジ材のロール外径より大きな外形
寸法に形成されたダンパーを貼り合わせた構成にするこ
とにより、従来のスピーカよりダンパーの外形寸法を大
きくすることが可能となって最低共振周波数ｆ0の低減
が図れ、さらにエッジ材のロール内径を支点として振動
板の重量バランスがとれることにより、振動板のローリ
ング現象の解消ができ、入力の向上が図れたスピーカが
実現できる。また付帯効果として、周波数特性上の中高
域において、上記エッジ材のロール内径より外側部分の
振動板部分の質量が動作上無視でき、音圧の向上が図
れ、音質的にも優れた効果を有するスピーカが実現でき
る。As described above, the speaker according to the present invention has the following features.
When the outer periphery of the diaphragm is formed to have an outer dimension larger than the inner diameter of the roll of the edge material, and the mass of the entire diaphragm is A, the mass of the diaphragm outside the inner diameter of the roll of the edge material is 0.4A to 0A. .6A, and a damper formed to have an outer dimension larger than the outer diameter of the roll of the edge material is attached to the periphery of the yoke constituting the magnetic circuit, so that the outer dimension of the damper is made larger than that of a conventional speaker. The minimum resonance frequency f 0 can be reduced, and the weight of the diaphragm can be balanced with the roll inner diameter of the edge material as a fulcrum, so that the rolling phenomenon of the diaphragm can be eliminated and the input can be improved. The intended speaker can be realized. As an additional effect, the mass of the diaphragm portion outside the inner diameter of the roll of the edge material can be neglected in operation in the middle and high frequency ranges on the frequency characteristics, the sound pressure can be improved, and the sound quality is also excellent. A speaker can be realized.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の一実施例におけるスピーカの構成を示
す断面図FIG. 1 is a sectional view showing a configuration of a speaker according to an embodiment of the present invention.
【図２】従来のスピーカの構成を示す断面図FIG. 2 is a sectional view showing a configuration of a conventional speaker.
１１ マグネット １２ ヨーク １３ プレート １４ フレーム １５ ボイスコイル １６ 振動板 １７ エッジ材 １８ ダンパー １９ ダストキャップ DESCRIPTION OF SYMBOLS 11 Magnet 12 Yoke 13 Plate 14 Frame 15 Voice coil 16 Diaphragm 17 Edge material 18 Damper 19 Dust cap
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H04R 9/02 103 H04R 7/18 H04R 7/20 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) H04R 9/02 103 H04R 7/18 H04R 7/20
Claims (2)
の磁気回路の外周部に結合されたフレームと、このフレ
ームの周縁に外周部が結合されたロール状のエッジ材の
内周部を裏面に結合すると共に上記磁気ギャップにはま
り込むボイスコイルを中心に結合し、かつ上記エッジ材
のロール内径より大きな外形寸法に形成された振動板
と、上記ボイスコイルを内周部で支持すると共に上記磁
気回路の上面に結合される外周部の結合面が上記エッジ
材のロール外径より大きな外形寸法に形成されたダンパ
ーよりなるスピーカ。1. A magnetic circuit having a magnetic gap formed therein, a frame coupled to an outer peripheral portion of the magnetic circuit, and an inner peripheral portion of a roll-shaped edge material having an outer peripheral portion coupled to a peripheral edge of the frame. A diaphragm coupled to the center of the voice coil that fits into the magnetic gap and formed to have an outer dimension larger than the inner diameter of the roll of the edge material; A speaker comprising a damper whose outer peripheral surface coupled to the upper surface of the edge member has an outer dimension larger than the outer diameter of the roll of the edge material.
ジ材の内周部との結合面より突出した外周側の部分の振
動板の質量を０．４Ａ〜０．６Ａとした請求項１記載の
スピーカ。2. When the mass of the entire diaphragm is A, the mass of the diaphragm on the outer peripheral side protruding from the joint surface with the inner peripheral portion of the edge member is 0.4A to 0.6A. The speaker according to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04323926A JP3089863B2 (en) | 1992-12-03 | 1992-12-03 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04323926A JP3089863B2 (en) | 1992-12-03 | 1992-12-03 | Speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06178389A JPH06178389A (en) | 1994-06-24 |
| JP3089863B2 true JP3089863B2 (en) | 2000-09-18 |
Family
ID=18160172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04323926A Expired - Fee Related JP3089863B2 (en) | 1992-12-03 | 1992-12-03 | Speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3089863B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013545957A (en) * | 2010-10-07 | 2013-12-26 | カズ ヨーロッパ エスエー | Humidifier and air treatment device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100477261B1 (en) * | 2002-02-15 | 2005-03-18 | 삼성전기주식회사 | Speaker and Speaker Manufacturing Method |
| CN102433019A (en) * | 2011-11-17 | 2012-05-02 | 江门科隆生物技术股份有限公司 | Preparation method of monascus red pigment for improving photo-thermal stability of monascus red pigment |
-
1992
- 1992-12-03 JP JP04323926A patent/JP3089863B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013545957A (en) * | 2010-10-07 | 2013-12-26 | カズ ヨーロッパ エスエー | Humidifier and air treatment device |
| US9739494B2 (en) | 2010-10-07 | 2017-08-22 | Helen Of Troy Limited | Humidifying device with a projection mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06178389A (en) | 1994-06-24 |
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