JPH1042391A - Speaker - Google Patents
SpeakerInfo
- Publication number
- JPH1042391A JPH1042391A JP19683296A JP19683296A JPH1042391A JP H1042391 A JPH1042391 A JP H1042391A JP 19683296 A JP19683296 A JP 19683296A JP 19683296 A JP19683296 A JP 19683296A JP H1042391 A JPH1042391 A JP H1042391A
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- frame
- window hole
- opening window
- eaves
- 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.)
- Pending
Links
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は各種音響機器に使用
されるスピーカに関し、特に車載用のドアマウントスピ
ーカとして用いら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 speaker used for various kinds of audio equipment, and more particularly to a speaker used as a vehicle-mounted door mount speaker.
【０００２】[0002]
【従来の技術】車載用スピーカにおいては、フロントス
ピーカをフロントドアに装着するレイアウトが主流にな
ってきている。フロントドアに限らず自動車のドアは、
洗車時や雨天時にはドアの内部空間に水が侵入する構造
であるため、スピーカも水に対する構造的な防水対策が
必要とされる。2. Description of the Related Art In a vehicle-mounted speaker, a layout in which a front speaker is mounted on a front door has become mainstream. Not only front doors but also car doors
Since the structure is such that water enters the interior space of the door at the time of car washing or rainy weather, the speaker also needs a structural waterproof measure against water.
【０００３】従来では図４に示すように防水対策をして
スピーカ１が自動車のドア２に取り付けられている。Ａ
が車室内空間である。ドアーインナーパネル２ａにはス
ピーカ取付孔２ｂが穿設されており、このスピーカ取付
孔２ｂに防水カバー３をセットしてスピーカ１がねじ４
でドアーインナーパネル２ａに取り付けられている。Conventionally, as shown in FIG. 4, a speaker 1 is mounted on a door 2 of an automobile for waterproofing. A
Is the vehicle interior space. A speaker mounting hole 2b is formed in the door inner panel 2a. A waterproof cover 3 is set in the speaker mounting hole 2b, and the speaker 1
At the door inner panel 2a.
【０００４】取り付けられたスピーカ１のドア内部Ｂに
位置する部分（スピーカ背面）は、防水カバー３で覆わ
れているため、窓ガラス（図示せず）の出退口５などか
らの水Ｗの侵入によっても、スピーカ１のスピーカ背面
には被水が発生しない。[0004] Since a portion of the attached speaker 1 located inside the door B (speaker rear surface) is covered with a waterproof cover 3, water W from the exit 5 of a window glass (not shown) or the like is provided. No water is generated on the back of the speaker 1 by the intrusion.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記構
成においては、防水カバー３がスピーカ１の背面を覆っ
てしまうため、音響性能に悪影響を及ぼしていた。ま
た、コスト的にも防水カバー３の材料費と加工費が必要
で、ドアーインナーパネル２ａへの組み込み工数をアッ
プさせる要因ともなっている。However, in the above configuration, since the waterproof cover 3 covers the rear surface of the speaker 1, the acoustic performance is adversely affected. In addition, the cost and the material cost of the waterproof cover 3 are required in terms of cost, which is a factor for increasing the number of steps for assembling the waterproof cover 3 into the door inner panel 2a.
【０００６】本発明は、防水カバー３を使用しなくても
スピーカ１への被水を防止することができ、しかも防水
カバー３を使用した場合よりも音響性能の向上を実現で
きる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 provides a speaker that can prevent water from being applied to the speaker 1 without using the waterproof cover 3 and that can improve the acoustic performance as compared with the case where the waterproof cover 3 is used. The purpose is to do so.
【０００７】[0007]
【課題を解決するための手段】本発明のスピーカは、被
水を防止する覆い部をフレームの略上半分に成形したこ
と特徴とする。The loudspeaker according to the present invention is characterized in that a cover for preventing water from being wet is formed in substantially the upper half of the frame.
【０００８】この本発明によると、防水カバーを使用し
なくてもスピーカの要部への被水を防止することがで
き、しかも防水カバーを使用した場合よりも音響性能の
向上を実現できる。According to the present invention, it is possible to prevent the main part of the loudspeaker from being exposed to water without using the waterproof cover, and it is possible to achieve an improvement in acoustic performance as compared with the case where the waterproof cover is used.
【０００９】[0009]
【発明の実施の形態】請求項１記載のスピーカは、コー
ンの背面を覆うと共に前記コーンを支持するフレーム
を、フレームの略上半分の形状を被水を防止する覆い部
に成形し、フレームの略下半分には開口を設けたことを
特徴とする。According to the first aspect of the present invention, a frame for covering the back of the cone and supporting the cone is formed by forming a substantially upper half of the frame into a covering portion for preventing water from being wet. An opening is provided in a substantially lower half.
【００１０】この構成によると、フレームの覆い部が、
振動系部品であるコーン、ボイスコイル、ダンパーに上
部からの水が被水することを防止する。また、下面部に
は開口を設けることで、コーン後面における空洞共振の
影響を抑制して周波数特性の平坦化を可能としている。According to this structure, the cover of the frame is
Prevents water from above from damaging the cone, voice coil and damper, which are vibration system components. In addition, by providing an opening in the lower surface, the effect of cavity resonance on the rear surface of the cone is suppressed, and the frequency characteristics can be flattened.
【００１１】請求項２記載のスピーカは、請求項１記載
において、覆い部に開口窓穴を設けたことを特徴とす
る。この構成によると、音響性能がより向上する。請求
項３記載のスピーカは、請求項２記載において、開口窓
穴の上下にひさしを設けたことを特徴とする。この構成
によると、防水性能がより向上する。According to a second aspect of the present invention, in the first aspect, an opening window is provided in the cover. According to this configuration, the acoustic performance is further improved. According to a third aspect of the present invention, in the second aspect, eaves are provided above and below the opening window hole. According to this configuration, the waterproof performance is further improved.
【００１２】以下、本発明の実施の形態を図１〜図３に
基づいて説明する。図１と図２は本発明のスピーカ６を
示す。コーン７の背面を覆うと共に前記コーン７を支持
するフレーム８は、鉄板（ＳＰＣ）などの金属板製で、
磁気ギャップ９を設けた磁気回路部１０に接合されてお
り、略上半分部分は深絞り加工によって覆い部８ａが形
成され、略下半分の下面部８ｂには開口８ｃを形成した
ものである。なお、フレーム８の材質については樹脂成
形で同一の形状に成形することもできる。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2 show a speaker 6 of the present invention. The frame 8 that covers the back of the cone 7 and supports the cone 7 is made of a metal plate such as an iron plate (SPC).
It is joined to a magnetic circuit section 10 provided with a magnetic gap 9, and a substantially upper half portion is formed with a cover portion 8a by deep drawing, and an opening 8c is formed in a substantially lower half lower surface portion 8b. The material of the frame 8 may be formed into the same shape by resin molding.
【００１３】覆い部８ａには、長方形の開口窓穴１１を
設け、開口窓穴１１の位置によって防水性能が損なわれ
る場合には、この開口窓穴１１の上辺に外側下方斜めに
突出した第１の庇１１ａと下辺に内側上方斜めに突出し
た第２の庇１１ｂが一体に成形されている。The covering portion 8a is provided with a rectangular opening window hole 11, and when the waterproof performance is impaired due to the position of the opening window hole 11, the first opening projecting obliquely outward and downward on the upper side of the opening window hole 11. Eaves 11a and second eaves 11b projecting obliquely upward and inward from the lower side are integrally formed.
【００１４】このように構成したため、この実施の形態
のスピーカ６を、フレーム８の覆い部８ａを上方に、下
面部８ｂを下方にして図４に示したドアーインナーパネ
ル２ａに従来の防水カバー３を使用せずに直接に取り付
けた場合には、次のように被水防止と音響性能の向上を
実現できる。With this configuration, the speaker 6 of this embodiment is mounted on the door inner panel 2a shown in FIG. 4 with the cover 8a of the frame 8 facing upward and the lower surface 8b facing downward. When directly installed without using the, it is possible to realize the prevention of water exposure and the improvement of acoustic performance as follows.
【００１５】ドア２の窓ガラスの出退口５などからの水
Ｗの侵入が発生しても、この上部からの水滴はフレーム
８の覆い部８ａによって遮られて、コーン７，ボイスコ
イル１２，ダンパー１３からなる振動系部品には被水が
発生しない。なお、音響性能の向上を目的として覆い部
８ａに開口窓穴１１を穿設したが、この部分には第１，
第２の庇１１ａ，１１ｂが形成されているため、開口窓
穴１１からの水滴の侵入も確実に防止できる。Even if water W enters through the doorway 5 of the window glass of the door 2, water droplets from above are blocked by the cover 8 a of the frame 8, and the cone 7, the voice coil 12, No water is generated on the vibration system component including the damper 13. An opening window hole 11 was formed in the cover 8a for the purpose of improving the acoustic performance.
Since the second eaves 11a and 11b are formed, intrusion of water droplets from the opening window hole 11 can be reliably prevented.
【００１６】図３の破線は防水カバー３を使用せずに直
接に取り付けた同実施の形態のスピーカ６の周波数特性
を示す。実線は従来のスピーカ１を防水カバー３を使用
して取り付けた場合（比較例）の周波数特性を示す。The broken line in FIG. 3 shows the frequency characteristic of the speaker 6 of the embodiment directly attached without using the waterproof cover 3. The solid line shows the frequency characteristics when the conventional speaker 1 is attached using the waterproof cover 3 (comparative example).
【００１７】この二つの周波数特性を比較して分かるよ
うに、比較例の周波数特性は２００Ｈｚ付近の音圧レベ
ルに比べて１ＫＨｚ付近の音圧レベルが上昇しているの
に対して、同実施の形態の場合には周波数特性が平坦化
しており、音響性能が向上していると云うことができ
る。As can be seen by comparing these two frequency characteristics, the frequency characteristics of the comparative example show that the sound pressure level near 1 KHz is higher than the sound pressure level near 200 Hz, whereas In the case of the form, it can be said that the frequency characteristic is flattened and the acoustic performance is improved.
【００１８】なお、上記の実施の形態では覆い部８ａに
は開口窓穴１１を穿設したが、開口窓穴１１を設けない
場合であってもその音響特性は上記の比較例に比べて向
上することが確認された。In the above-described embodiment, the window 8 is formed in the cover 8a. However, even when the window 11 is not provided, its acoustic characteristics are improved as compared with the comparative example. It was confirmed that.
【００１９】また、上記の実施の形態では開口窓穴１１
には第１，第２の庇１１ａ，１１ｂを形成したが、第
１，第２の庇１１ａ，１１ｂは必須の要件ではなく、開
口窓穴１１の形状と位置によっては設けなくても必要な
被水性能を得ることができる。In the above embodiment, the opening window hole 11
Formed the first and second eaves 11a and 11b, however, the first and second eaves 11a and 11b are not indispensable requirements, and are not necessary depending on the shape and position of the opening window hole 11. Water receiving performance can be obtained.
【００２０】また、上記の各実施の形態の開口窓穴１１
の形状は長方形であったが、被水性能を満足する条件で
あれば、他形状でも可能である。Further, the opening window hole 11 of each of the above-described embodiments.
Has a rectangular shape, but other shapes are possible as long as the conditions satisfy the wet performance.
【００２１】[0021]
【発明の効果】以上のように本発明によると、コーンの
背面を覆うと共に前記コーンを支持するフレームを、フ
レームの略上半分の形状を被水を防止する覆い部に成形
し、フレームの略下半分には開口を設けたため、従来で
は取り付けに必要とされていた防水カバーを使用しなく
ても振動系部品への被水を防止することができる。ま
た、音響性能の向上を実現できるものである。防水カバ
ーを必要としないため、取り付けに必要とする部品点数
ならびに工数を削減できる。As described above, according to the present invention, the frame for covering the back surface of the cone and supporting the cone is formed in a substantially upper half shape of the frame as a covering portion for preventing the frame from being wet. Since the lower half is provided with an opening, it is possible to prevent the vibration system components from being exposed to water without using a waterproof cover conventionally required for mounting. In addition, improvement in acoustic performance can be realized. Since a waterproof cover is not required, the number of parts required for mounting and the number of steps can be reduced.
【００２２】さらに、上記構成に加えて覆い部に開口窓
穴を設けた場合にはより音響特性の向上を実現できる。
さらに、覆い部に開口窓穴を設けるとともに開口窓穴の
上下にひさしを設けた場合には、音響性能の向上のため
に穿設した開口窓穴からの水の侵入を防止することがで
き、音響性能の向上と共により振動系部品への被水を確
実に防止することができる。Further, in the case where an opening window is provided in the covering portion in addition to the above-described configuration, the acoustic characteristics can be further improved.
Furthermore, in the case of providing an opening window hole in the covering portion and providing eaves above and below the opening window hole, it is possible to prevent water from entering from the opening window hole drilled for improving acoustic performance, With the improvement of the acoustic performance, it is possible to more reliably prevent the vibration system components from being exposed to water.
【図１】本発明の実施の形態のスピーカの側断面図FIG. 1 is a side sectional view of a speaker according to an embodiment of the present invention.
【図２】同実施の形態のスピーカの背面の平面図FIG. 2 is a plan view of the back surface of the speaker according to the embodiment;
【図３】同実施の形態のスピーカを防水カバーを使用せ
ずに自動車のドアに取り付けた場合の周波数特性図と比
較例の周波数特性図FIG. 3 is a frequency characteristic diagram when the speaker of the embodiment is attached to an automobile door without using a waterproof cover, and a frequency characteristic diagram of a comparative example.
【図４】従来のスピーカを防水カバーを使用して自動車
のドアに取り付ける場合の分解図FIG. 4 is an exploded view when a conventional speaker is attached to an automobile door using a waterproof cover.
６ スピーカ ７ コーン ８ フレーム ８ａ 覆い部 ８ｂ 下面部 ８ｃ 開口 １０ 磁気回路部 １１ 開口窓穴 １１ａ 第１の庇 １１ｂ 第２の庇 Reference Signs List 6 speaker 7 cone 8 frame 8a covering portion 8b lower surface portion 8c opening 10 magnetic circuit portion 11 opening window hole 11a first eave 11b second eave
───────────────────────────────────────────────────── フロントページの続き (72)発明者 新小田 裕 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yutaka Shinoda 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.
Claims (3)
支持するフレームを、フレームの略上半分の形状を被水
を防止する覆い部に成形し、フレームの略下半分には開
口を設けたスピーカ。1. A speaker which covers a back surface of a cone and supports the cone, wherein a frame of a substantially upper half of the frame is formed as a cover for preventing water from being received, and an opening is provided in a substantially lower half of the frame. .
のスピーカ。2. The speaker according to claim 1, wherein an opening window hole is provided in the cover.
２記載のスピーカ。3. The speaker according to claim 2, wherein eaves are provided above and below the opening window hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19683296A JPH1042391A (en) | 1996-07-26 | 1996-07-26 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19683296A JPH1042391A (en) | 1996-07-26 | 1996-07-26 | Speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1042391A true JPH1042391A (en) | 1998-02-13 |
Family
ID=16364416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19683296A Pending JPH1042391A (en) | 1996-07-26 | 1996-07-26 | Speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1042391A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128394A (en) * | 1998-03-31 | 2000-10-03 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Speaker apparatus and waterproof cover therefor |
-
1996
- 1996-07-26 JP JP19683296A patent/JPH1042391A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128394A (en) * | 1998-03-31 | 2000-10-03 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Speaker apparatus and waterproof cover therefor |
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