JPH0451800A - On-vehicle speaker equipment - Google Patents
On-vehicle speaker equipmentInfo
- Publication number
- JPH0451800A JPH0451800A JP16180390A JP16180390A JPH0451800A JP H0451800 A JPH0451800 A JP H0451800A JP 16180390 A JP16180390 A JP 16180390A JP 16180390 A JP16180390 A JP 16180390A JP H0451800 A JPH0451800 A JP H0451800A
- Authority
- JP
- Japan
- Prior art keywords
- horn
- vehicle
- driver section
- acoustic matching
- sound
- 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
- 210000005069 ears Anatomy 0.000 abstract description 3
- 230000000644 propagated effect Effects 0.000 abstract description 3
- 239000005357 flat glass Substances 0.000 abstract description 2
- 239000011521 glass Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、車載用スピーカ装置に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a vehicle-mounted speaker device.
従来の技術
近年、ＣＤプレーヤやＤＡＴテープレコーダが車載用と
して搭載され、これら信号ソースのディジタル化３高性
能化にともない、これを車室内において忠実度高く再生
するスピーカ装置が強く望まれてきている。ここで、従
来の車載用スピーカ装置について、図面を参照しながら
説明する。第４図は、従来の車載用スピーカ装置を備え
た車室の一部切欠断面図を示す。第４図において１は運
転席、２はハンドルであり、フロントドア３の上部には
ウィンドガラス４があり、フロントドア３の下部にはス
ピーカ装置５が取り付けられている。Background of the Invention In recent years, CD players and DAT tape recorders have been installed in vehicles, and as these signal sources have become digitalized and their performance has increased, there has been a strong desire for a speaker device that can reproduce these signals with high fidelity inside the vehicle. . Here, a conventional vehicle-mounted speaker device will be described with reference to the drawings. FIG. 4 shows a partially cutaway sectional view of a vehicle compartment equipped with a conventional vehicle-mounted speaker device. In FIG. 4, 1 is a driver's seat, 2 is a handle, a windshield 4 is provided at the top of the front door 3, and a speaker device 5 is attached to the bottom of the front door 3.
なお、ここでは図示しないがスピーカ装置５はステレオ
再生のため助手席側にも同様な位置に設けられている。Although not shown here, a speaker device 5 is provided at a similar position on the passenger seat side for stereo reproduction.
発明が解決しようとする課題
しかしながら、このような従来の構成では、スピーカ装
置が足元にあるため音源の高さが受聴者である運転者ま
たは助手席搭乗者の耳の位置からは外れ、スピーカ装置
は中高音域で指向特性を有するため、再生音はどうして
も乱れたものとなっていた。また、音源位置が足元にあ
るため音像は足元近くに定位し不自然なものとなってい
た。このような音響再生条件としては好ましくない位置
にスピーカ装置を配置しているのはスピーカユニットの
磁気回路部が大きく、車室内での設置位置が限定される
ためであった。Problems to be Solved by the Invention However, in such a conventional configuration, since the speaker device is located at the feet, the height of the sound source is out of the ear position of the driver or front passenger, who is the listener, and the speaker device has a directional characteristic in the mid-to-high frequency range, so the reproduced sound is unavoidably distorted. Furthermore, since the sound source was located at the feet, the sound image was localized near the feet, resulting in an unnatural sound. The reason why the speaker device is disposed in a position that is not favorable for such sound reproduction conditions is that the magnetic circuit portion of the speaker unit is large and its installation position within the vehicle interior is limited.
本発明は上記課題を解決するもので、車室での音響再生
に適した場所に設置できるスピーカ装置を掃供すること
を目的としている。The present invention has been made to solve the above problems, and an object of the present invention is to provide a speaker device that can be installed in a location suitable for sound reproduction in a vehicle interior.
ｍｓを解決するための手段
本発明は上記目的を達成するために、中高音域用のスピ
ーカ装置として、磁気回路と振動板より構成されたドラ
イバー部を収納スペースに余裕のあるドア、ダツシュボ
ード等の車室構成部の内部に設は音響整合器、たとえば
ホーンを車室内に開口を向けて任意の位置に配置し、上
記ドライバー部と音響整合器を屈曲自在なパイプにて結
合した構成とするものである。Means for Solving MS In order to achieve the above object, the present invention is a speaker device for medium and high frequency ranges, in which a driver unit consisting of a magnetic circuit and a diaphragm is installed in a door, dash board, etc. with ample storage space. An acoustic matching device, such as a horn, is placed inside the vehicle interior component at an arbitrary position with its opening facing the interior of the vehicle, and the driver portion and the acoustic matching device are connected by a bendable pipe. It is.
作用
本発明は上記した構成により、車室内の空スペースに収
納されたドライバー部から放射された音波を、屈曲自在
なパイプによって、音響整合部に導くものであり、パイ
プによって伝搬された音は音響整合器の開口より車室内
に放射される。音響整合器はドライバー部より分離され
ているため、任意の位置に設定できるものであり車室内
での音像を考慮したスピーカ配置が可能となる。Effect The present invention has the above-described configuration, and the sound waves emitted from the driver section housed in the empty space in the vehicle are guided to the acoustic matching section through the bendable pipe, and the sound propagated through the pipe is acoustically It is radiated into the vehicle interior through the opening of the matching device. Since the acoustic matching device is separated from the driver section, it can be placed in any position, making it possible to arrange the speakers in consideration of the sound image inside the vehicle.
実施例
以下、本発明の一実施例の車載用スピーカ装置について
図面を参照しながら説明する。Embodiment Hereinafter, a vehicle-mounted speaker device according to an embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の第１の実施例におけるスピーカ装置を
備えた車室の一部切欠概略断面図であり、６はフロント
ドア、７はウィンドガラスであり、フロントドア６の下
部には低音用のスピーカユニット８が取り付けられ、ま
たフロントドア６の内部の空スペースには、磁気回路と
振動板部よりなるドライバー部９と、ドライバー部９に
連結された屈曲自在なパイプ１１があり、パイプ１１は
さらにウィンドガラス７のコーナ部に設けたホーン１０
に連結されている。FIG. 1 is a partially cutaway schematic cross-sectional view of a vehicle compartment equipped with a speaker device according to a first embodiment of the present invention, in which 6 is a front door, 7 is a windshield, and a lower part of the front door 6 is provided with a low-frequency sound. A speaker unit 8 is attached to the front door 6, and in the empty space inside the front door 6 there is a driver section 9 consisting of a magnetic circuit and a diaphragm section, and a bendable pipe 11 connected to the driver section 9. Further, reference numeral 11 indicates a horn 10 provided at the corner of the windshield 7.
is connected to.
以上のように構成された車載用スピーカ装置について、
以下その動作を説明する。Regarding the in-vehicle speaker device configured as above,
The operation will be explained below.
ドア６の内部に設けたドライバー部９より出た音波はパ
イプｌｌ内に伝搬される。再生する周波数の波長に比べ
て十分小さい内径に選んだパイプ１１内では、伝送中の
損失がほとんどない平面波が伝送されウィンドガラス７
のコーナー部に設けたホーンｌＯに導かれ、車室内にド
ライバー部９からの音波を放射するものであり、ホーン
１０は、パイプ１１と車室空間を音響的に整合する音響
整合器として動作する。なお、音響整合器として使用す
るホーン１０をしゃ新開波数ｆ。のエキスボネンシャル
ホーンとするならばその開口断面積の等価半径ａＭは、
０．５に
こでＣは音速
以上の大きさであることが望ましい。このようなホーン
１０は、パイプ１１で伝送された平面波をほとんど反射
することなく車室空間内に放射するものである。また、
波長が長いため指向特性が問題とならない低音域はスピ
ーカユニット８により放射する。そのため低音域と中高
音域の信号の分割はここでは図示しない電気系回路によ
り行ない、電気信号の中高域はドライバー９に、低音域
はスピーカユニット８にそれぞれ供給するものである。Sound waves emitted from the driver section 9 provided inside the door 6 are propagated into the pipe 11. Inside the pipe 11, whose inner diameter is selected to be sufficiently small compared to the wavelength of the frequency to be reproduced, a plane wave with almost no loss during transmission is transmitted, and the windshield 7
The sound waves from the driver section 9 are guided into the vehicle interior by a horn 10 provided at a corner of the vehicle interior, and the horn 10 operates as an acoustic matching device that acoustically matches the pipe 11 and the vehicle interior space. . Note that the horn 10 used as an acoustic matching device has a new wave number f. In the case of an exponential horn, the equivalent radius aM of the cross-sectional area of the opening is 0.5 cm, and it is desirable that C be greater than the speed of sound. Such a horn 10 radiates plane waves transmitted through the pipe 11 into the vehicle interior space without reflecting them. Also,
The speaker unit 8 radiates the low frequency range in which directional characteristics are not a problem because the wavelength is long. Therefore, the division of signals into the bass range and mid-high range is performed by an electrical circuit (not shown), and the mid-high range of the electrical signal is supplied to the driver 9, and the low range of the electrical signal is supplied to the speaker unit 8, respectively.
以上のように本発明の第１の実施例によれば、フロント
ドア６の空スペースにドライバー部９を収納し、ホーン
１０のみをウィンドガラス７のコ−ナ一部に設け、屈曲
自在なパイプ１１によってドライバー部９とホーン１０
を連結し、ドライバー部９からの音波を損失なく車室空
間に放射するものであって、指向特性のため従来方式で
は乱れていた中高音域の音を忠実に再生するとともに、
音像位置をほぼ受聴者の耳の高さ近くまで持ってくるこ
とができるものである。As described above, according to the first embodiment of the present invention, the driver unit 9 is housed in the empty space of the front door 6, only the horn 10 is provided in a part of the corner of the window glass 7, and the bendable pipe is installed. Driver part 9 and horn 10 by 11
The sound waves from the driver section 9 are connected to each other to radiate the sound waves from the driver section 9 into the vehicle interior space without loss, and it faithfully reproduces the sound in the mid-high range, which was disturbed in the conventional method due to the directional characteristics, and
It is possible to bring the sound image position almost to the level of the listener's ears.
第２図は、本発明の第２の実施例におけるスピーカ装置
を示すものであり、フロントガラス１２の下方のダンシ
ュボード１３の内部にはドライバー部１４．１５を設け
、ダツシュボード１３の上面左右コーナー部にはホーン
１６．１７を配置し、ドライバー１４．１５とホーン１
６．１７とを屈曲自在のバイ１１８．１９で連結してい
る。なお、第２図には図示しないが、左右フロントドア
の下部には低音再生用のスピーカユニットが搭載されて
いる。スピーカ装置の動作は第１の実施例とほとんど同
しである。本実施例では、ホーン１６１７の位置がダツ
シュボード上にあるため、音像位置が第１の実施例に比
べて前方となり、より自然な音響再生が可能となるもの
である。FIG. 2 shows a speaker device according to a second embodiment of the present invention, in which driver parts 14 and 15 are provided inside the dash board 13 below the windshield 12, and driver parts 14 and 15 are provided inside the dash board 13 at the upper left and right corners of the dash board 13. Place horns 16 and 17, driver 14 and 15 and horn 1.
6.17 are connected by bendable bis 118.19. Although not shown in FIG. 2, speaker units for bass reproduction are mounted at the bottom of the left and right front doors. The operation of the speaker device is almost the same as in the first embodiment. In this embodiment, since the horn 1617 is located on the dash board, the sound image position is further forward than in the first embodiment, allowing more natural sound reproduction.
第３図は本発明の第３の実施例を示すものであり、フロ
ントガラス２０の下方のダッシュボード２２内部にはド
ライバー部２３．２４を設け、フロントピラー部２１に
はホーン２５．２６を配宜し、ドライバー２３．２４と
ホーン２５２６とを屈曲自在のパイプ２７．２８で連結
している。FIG. 3 shows a third embodiment of the present invention, in which a driver section 23, 24 is provided inside the dashboard 22 below the windshield 20, and a horn 25, 26 is arranged on the front pillar section 21. Accordingly, the drivers 23, 24 and the horn 2526 are connected by bendable pipes 27, 28.
本実施例でも、図示しないがフロントドアには低音再生
用のスピーカユニットを搭載しその動作も第１．第２の
実施例と同様なものである。本実施例では、ホーン２５
．２６がフロントピラー部２１に設けられているため、
第１．第２の実施例に比べて、音源の位置を高くするこ
とが可能であり、受聴者の耳の高さに一致させることが
できる。In this embodiment as well, although not shown, a speaker unit for bass reproduction is mounted on the front door, and its operation is also the same as the first one. This is similar to the second embodiment. In this embodiment, the horn 25
．． 26 is provided on the front pillar part 21,
1st. Compared to the second embodiment, the position of the sound source can be made higher and can match the height of the listener's ears.
発明の効果
以上のように本発明は、ドライバー部を音響整合器と分
離し、車室内の音響再生のみを考慮して、音響整合器を
任意の位置に配置し、ドライバー部は車室内の空スペー
スに設け、音響整合器とドライバー部を屈曲自在のパイ
プによって、自在に連結するものであって、パイプと音
響整合器によって、ドライバー部からの音波を忠実に伝
送して車室空間内に放射するとともに、音源位置を受聴
者の耳の高さに、さらに音像を前方に定位させることが
可能となり、高音質で自然な音響再生ができる車載用ス
ピーカ装置を実現するものである。Effects of the Invention As described above, the present invention separates the driver section from the acoustic matching device, places the acoustic matching device at an arbitrary position considering only the sound reproduction inside the vehicle interior, and the driver section separates the acoustic matching device from the acoustic matching device. It is installed in a space and freely connects the acoustic matching device and driver section with a bendable pipe.The pipe and acoustic matching device faithfully transmit sound waves from the driver section and radiate them into the passenger compartment space. At the same time, it is possible to position the sound source at the listener's ear level and localize the sound image forward, thereby realizing a vehicle-mounted speaker device that can reproduce high-quality and natural sound.
第１図は本発明の第１の実施例における車載用スピーカ
装置とその取り付は位置を示す車室の一部切欠概略断面
図、第２図は本発明の第２の実施例を示す概略図、第３
図は本発明の第３の実施例を示す概略図、第４図は従来
の車載用スピーカ装置を示す車室の一部切欠概略断面図
である。
６・・・・・・フロントドア、７・・・・・・ウィンド
ガラス、８・・・・・・スピーカユニット、９．１４，
１５，２３゜２４・・・・・・ドライバー部、１０．１
６．１７．２５゜２６・・・・・・ホーン、９．１Ｂ、
１９，２７．２８・・・・・・パイプ、１３．２２．・
・・・・・ダツシュボード、２１・・・フロントピラー
代理人の氏名 弁理士 粟野重孝 はか１名フ ｎ
ライ
ト フ
ホ
ン ト ト ア
ントυラス
１バ一部
ン
１４．１５ ト ラ イ バ 一部
ノロ、１７ ホーン
第
図FIG. 1 is a partially cutaway schematic cross-sectional view of a vehicle compartment showing a vehicle-mounted speaker device and its mounting position in a first embodiment of the present invention, and FIG. 2 is a schematic diagram showing a second embodiment of the present invention. Figure, 3rd
FIG. 4 is a schematic diagram showing a third embodiment of the present invention, and FIG. 4 is a partially cutaway schematic cross-sectional view of a vehicle compartment showing a conventional vehicle-mounted speaker device. 6... Front door, 7... Windshield, 8... Speaker unit, 9.14,
15,23゜24...Driver part, 10.1
6.17.25゜26...Horn, 9.1B,
19,27.28...Pipe, 13.22.・
...Datsushu board, 21...Front Pillar agent's name Patent attorney Shigetaka Awano Haka 1 person Fu n Wright Fu Hon To Anto υ Las 1 part 14.15 Tri ba Part Noro, 17 Horn diagram
Claims (6)
ー部と、車室内に開口を有する音響整合器と、前記ドラ
イバー部と前記音響整合器との間を、屈曲自在なパイプ
によって連結した車載用スピーカ装置。(1) A driver section composed of a magnetic circuit and a diaphragm section, an acoustic matching device having an opening in the vehicle interior, and an in-vehicle device in which the driver section and the acoustic matching device are connected by a flexible pipe. speaker device.
載用スピーカ装置。(2) The vehicle-mounted speaker device according to claim (1), wherein the acoustic matching device is a horn.
ンド前端のコーナー部にそれぞれ設けた請求項（１）記
載の車載用スピーカ装置。(3) The vehicle-mounted speaker device according to claim (1), wherein the driver portion is provided inside the door, and the acoustic matching device is provided at a corner portion of the front end of the window.
ボード上面に音響整合器をそれぞれ設けた請求項（１）
記載の車載用スピーカ装置。(4) Claim (1) in which the driver section is provided inside the dashboard and the acoustic matching device is provided on the top surface of the dashboard.
The vehicle-mounted speaker device described.
ピラー部に音響整合器をそれぞれ設けた請求項（１）記
載の車載用スピーカ装置。(5) The vehicle-mounted speaker device according to claim (1), wherein the driver section is provided inside the dashboard, and the acoustic matching device is provided in the front pillar section.
とき、ホーンの等価開口半径ａ＿Ｍが ａ＿Ｍ≒０．５Ｃ／２πｆ＿ｃ 以上のエキスポネンシャルホーンである請求項（２）記
載の車載用スピーカ装置。(6) The vehicle-mounted speaker device according to claim (2), wherein the horn is an exponential horn in which the equivalent aperture radius a_M of the horn is a_M≈0.5C/2πf_c or more, where f_c is the cutoff frequency of the horn and C is the speed of sound. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16180390A JPH0451800A (en) | 1990-06-20 | 1990-06-20 | On-vehicle speaker equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16180390A JPH0451800A (en) | 1990-06-20 | 1990-06-20 | On-vehicle speaker equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0451800A true JPH0451800A (en) | 1992-02-20 |
Family
ID=15742212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16180390A Pending JPH0451800A (en) | 1990-06-20 | 1990-06-20 | On-vehicle speaker equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451800A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63125095A (en) * | 1986-11-14 | 1988-05-28 | Matsushita Electric Ind Co Ltd | On-vehicle speaker |
-
1990
- 1990-06-20 JP JP16180390A patent/JPH0451800A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63125095A (en) * | 1986-11-14 | 1988-05-28 | Matsushita Electric Ind Co Ltd | On-vehicle speaker |
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