JP2020198480A - Accessory for audio device and manufacturing method thereof - Google Patents
Accessory for audio device and manufacturing method thereof Download PDFInfo
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Description
本発明は、オーディオ機器用のアクセサリに関し、より詳細には、インシュレーターの機能を有するアクセサリに関する。 The present invention relates to an accessory for an audio device, and more particularly to an accessory having an insulator function.
一般に、アンプ、スピーカー、ＣＤプレイヤー、レコードプレイヤーといったオーディオ機器は、振動に弱く、振動を多く受けると、音質が劣化することが知られている。オーディオ機器は、いずれもそれ自体が内部に振動源を有していることに加え、その設置面を介して外部からの振動の影響を受け易いことから、原音の再現を追及するオーディオマニアの間では、機器の内部振動を吸収するとともに、外部からの振動を遮断する目的で、オーディオ機器と設置面の間にインシュレーターを配置することが常識となっている（例えば、特許文献１）。 In general, audio equipment such as amplifiers, speakers, CD players, and record players are vulnerable to vibration, and it is known that sound quality deteriorates when subjected to a large amount of vibration. In addition to having a vibration source inside, all audio equipment is easily affected by vibration from the outside through its installation surface, so it is among audiophiles who pursue the reproduction of the original sound. Then, it is common practice to arrange an insulator between an audio device and an installation surface for the purpose of absorbing the internal vibration of the device and blocking the vibration from the outside (for example, Patent Document 1).
現在、オーディオ機器用のインシュレーターとして、金属、木材、ゴム、樹脂、セラミックといった様々な材料を用いた商品が流通しており、その形状にも、円板型、キューブ型、円錐形のスパイクを用いて一点で支持するタイプなど、多くのバリエーションがある。 Currently, products using various materials such as metal, wood, rubber, resin, and ceramic are on the market as insulators for audio equipment, and disk-shaped, cube-shaped, and conical spikes are also used for their shapes. There are many variations, such as a type that supports one point.
本発明は、新規なオーディオ機器用アクセサリを提供することを目的とする。 An object of the present invention is to provide a novel accessory for audio equipment.
本発明者は、オーディオ機器用のインシュレーターとして有望な新規の素材を見出すべく、様々な素材について数多くの聴感試験を行った結果、フッ素ゴム製のＯリングをインシュレーターとして使用した場合に癖の無い自然なサウンドが得られることを発見した。その後、本発明者は、さらに、検討を進める過程で、フッ素ゴム製のＯリングが持つ聴感上の問題を克服する方法を発見し、本発明に至ったのである。 As a result of conducting many hearing tests on various materials in order to find a promising new material as an insulator for audio equipment, the present inventor has no habit when using a fluororubber O-ring as an insulator. I found that I could get a good sound. After that, the present inventor further discovered a method for overcoming the audible problem of the fluororubber O-ring in the process of further study, and came to the present invention.
すなわち、本発明によれば、オーディオ機器用のアクセサリである、帯電防止被膜が形成されたフッ素ゴム製のＯリングが提供される。 That is, according to the present invention, there is provided an O-ring made of fluororubber on which an antistatic coating is formed, which is an accessory for audio equipment.
上述したように、本発明によれば、インシュレーターの機能を有する新規なオーディオ機器用アクセサリが提供される。 As described above, according to the present invention, a novel accessory for audio equipment having an insulator function is provided.
以下、本発明を図面に示した実施の形態をもって説明するが、本発明は、図面に示した実施の形態に限定されるものではない。 Hereinafter, the present invention will be described with reference to the embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings.
図１に示すフローチャートに基づいて、本発明の実施形態であるオーディオ機器用アクセサリの製造方法を説明する。 A method for manufacturing an accessory for an audio device according to an embodiment of the present invention will be described with reference to the flowchart shown in FIG.
（工程１）
フッ素ゴム製のＯリングを用意する。フッ素ゴムは、優れた耐熱性、耐油性、耐圧性、耐薬品性を有するゴムであり、通常、フッ化ビニリデン系のフッ素ゴムがＯリングに用いられる。
(Step 1)
Prepare an O-ring made of fluororubber. Fluororubber is a rubber having excellent heat resistance, oil resistance, pressure resistance, and chemical resistance, and vinylidene fluoride-based fluororubber is usually used for O-rings.
（工程２）
帯電防止剤の溶液（以下、帯電防止液という）を用意する。帯電防止剤とは、絶縁体の表面に対してわずかな導電性を付与することにより静電気の蓄積を防止する薬剤である。帯電防止剤の多くは界面活性剤を含有しており、物体表面に形成された界面活性剤の膜は、空気中の水分を吸着することで物体表面の電気抵抗を下げ、表面の帯電を防止する。
(Step 2)
Prepare a solution of antistatic agent (hereinafter referred to as antistatic liquid). The antistatic agent is an agent that prevents the accumulation of static electricity by imparting a slight conductivity to the surface of the insulator. Most antistatic agents contain a surfactant, and the surfactant film formed on the surface of the object reduces the electrical resistance of the surface of the object by adsorbing moisture in the air and prevents the surface from being charged. To do.
（工程３）
帯電防止液にフッ素ゴム製Ｏリングを浸漬する。なお、別の実施形態では、帯電防止液をスプレーや刷毛を使用してＯリングに直接塗布してもよい。
(Step 3)
Immerse the fluororubber O-ring in the antistatic liquid. In another embodiment, the antistatic liquid may be applied directly to the O-ring using a spray or a brush.
（工程４）
帯電防止液の中からフッ素ゴム製Ｏリングを取り出して自然乾燥し、帯電防止液の溶媒を揮発させる。その結果、本実施形態のオーディオ機器用アクセサリとして、表面に帯電防止剤の被膜（以下、帯電防止被膜という）が形成されたフッ素ゴム製Ｏリングが得られる。
(Step 4)
The fluororubber O-ring is taken out from the antistatic liquid and air-dried to volatilize the solvent of the antistatic liquid. As a result, as an accessory for audio equipment of the present embodiment, a fluororubber O-ring having an antistatic agent film (hereinafter referred to as an antistatic film) formed on the surface thereof can be obtained.
続いて、本実施形態のオーディオ機器用アクセサリ（すなわち、帯電防止被膜付きフッ素ゴム製Ｏリング）の使用方法を説明する。 Subsequently, a method of using the audio equipment accessory (that is, a fluororubber O-ring with an antistatic coating) of the present embodiment will be described.
第１に、本実施形態の帯電防止被膜付きフッ素ゴム製Ｏリングは、オーディオ機器用のインシュレーターとして使用することができる。使用方法は、従来のインシュレーターと同じであり、オーディオ機器と設置面の間にＯリングを配置する。図２（ａ）は、本実施形態のＯリング１０をアンプのインシュレーターとして使用した状態を例示的に示し、図２（ｂ）は、本実施形態のＯリング１０をスピーカーのインシュレーターとして使用した状態を例示的に示す。 First, the fluororubber O-ring with an antistatic coating of the present embodiment can be used as an insulator for audio equipment. The usage is the same as the conventional insulator, and an O-ring is placed between the audio equipment and the installation surface. FIG. 2 (a) illustrates a state in which the O-ring 10 of the present embodiment is used as an amplifier insulator, and FIG. 2 (b) shows a state in which the O-ring 10 of the present embodiment is used as a speaker insulator. Is illustrated as an example.
第２に、本実施形態の帯電防止被膜付きフッ素ゴム製Ｏリングは、いわゆる「鳴き止め」に利用することができる。具体的には、鳴きを止めたい部分に適切な内径の本実施形態のＯリング１０を嵌めてきつく締め付けることで、その部分の共鳴を防ぐという方法である。図３（ａ）は、ＲＣＡケーブルのコネクターに本実施形態のＯリング１０を嵌めた状態を例示的に示し、図３（ｂ）は、ワイアレスイヤフォンの筐体に本実施形態のＯリング１０を嵌めた状態を例示的に示す。この他にも、各種オーディオ機器のノブ、オーディオラックの支柱、スピーカースタンドの支柱、といった円柱状の部品に本実施形態のＯリング１０を嵌めることで、鳴きを止めて音質を向上させることができる。 Secondly, the fluororubber O-ring with an antistatic coating of the present embodiment can be used for so-called "squealing". Specifically, the O-ring 10 of the present embodiment having an appropriate inner diameter is fitted tightly to the portion where the squeal is desired to be stopped, and the resonance of that portion is prevented. FIG. 3 (a) illustrates a state in which the O-ring 10 of the present embodiment is fitted to the connector of the RCA cable, and FIG. 3 (b) shows the O-ring 10 of the present embodiment fitted to the housing of the wireless earphone. The fitted state is shown exemplary. In addition to this, by fitting the O-ring 10 of the present embodiment into columnar parts such as knobs of various audio devices, columns of audio racks, and columns of speaker stands, it is possible to stop squealing and improve sound quality. ..
最後に、本実施形態の帯電防止被膜付きフッ素ゴム製Ｏリングが聴感にもたらす効果について説明する。 Finally, the effect of the fluororubber O-ring with an antistatic coating of the present embodiment on the sense of hearing will be described.
インシュレーターとしてのＯリングは、既存のインシュレーターと比較して体積が格段に小さいため、その分、材料（ゴム）に由来する共振成分が音信号に与える影響が小さくなるという利点を持つ。また、インシュレーターとしてのＯリングは、その接地面積が非常に小さいため、振動の遮断性に優れているという利点を持つ。 Since the volume of the O-ring as an insulator is much smaller than that of an existing insulator, there is an advantage that the resonance component derived from the material (rubber) has less influence on the sound signal. Further, the O-ring as an insulator has an advantage that it has excellent vibration blocking property because its ground contact area is very small.
その中でも、フッ素ゴム製のＯリングは、他のゴム製のＯリングに比べて、ゴムに由来する共振成分（付帯音）が非常に少ないという特徴を有し、癖の無い自然な聴感が得られるという利点がある。 Among them, the fluororubber O-ring has a feature that the resonance component (incidental sound) derived from rubber is very small compared to other rubber O-rings, and a habit-free and natural hearing feeling can be obtained. There is an advantage that it can be done.
そのようなフッ素ゴム製Ｏリングに対して、さらに、帯電防止処理を施すことによって、その理由は不明であるが、帯電防止処理を施さない場合と比較して、倍音成分が減少し、音の歪みが低減されるという効果を奏する。 By further applying antistatic treatment to such a fluororubber O-ring, the reason is unknown, but the overtone component is reduced and the sound is reduced as compared with the case where antistatic treatment is not applied. It has the effect of reducing distortion.
以上、本発明について実施形態をもって説明してきたが、本発明は上述した実施形態に限定されるものではなく、本発明の趣旨を逸脱しない限りにおいて、様々な変更、修正、改良等が可能である。 Although the present invention has been described above with embodiments, the present invention is not limited to the above-described embodiments, and various changes, modifications, improvements, etc. can be made without departing from the spirit of the present invention. ..
以下、本発明のオーディオ機器用アクセサリ（すなわち、帯電防止被膜付きフッ素ゴム製Ｏリング）について、実施例を用いてより具体的に説明を行なうが、本発明は、後述する実施例に限定されるものではない。 Hereinafter, the accessory for audio equipment of the present invention (that is, an O-ring made of fluororubber with an antistatic coating) will be described in more detail with reference to examples, but the present invention is limited to the examples described later. It's not a thing.
＜帯電防止被膜付きフッ素ゴム製Ｏリングの作製＞
帯電防止液（帯電防止剤をイソプロプルアルコールに溶解してなる液）と、フッ素ゴム製のＯリングを用意し、Ｏリングを帯電防止液に軽く浸した後、アルコールが揮発するまで自然乾燥することによって、帯電防止被膜付きフッ素ゴム製Ｏリング（以下、実施例という）を得た。
<Manufacturing of fluororubber O-ring with antistatic coating>
Prepare an antistatic liquid (a liquid obtained by dissolving an antistatic agent in isopropul alcohol) and an O-ring made of fluororubber, lightly immerse the O-ring in the antistatic liquid, and then air dry until the alcohol volatilizes. As a result, an O-ring made of fluororubber with an antistatic film (hereinafter referred to as an example) was obtained.
＜聴感試験１＞
オーディオ機器（ネットワークプレーヤー N-50、パイオニア株式会社製）の本体を支持する４個の脚部と設置面の間に実施例のＯリングを一つずつ配置した状態で、ハイレゾ音源を再生し、その音色を、音響機器開発のエンジニアに試聴してもらった。
<Hearing test 1>
Play the high-resolution sound source with the O-rings of the example placed one by one between the four legs that support the main body of the audio equipment (network player N-50, manufactured by Pioneer Corporation) and the installation surface. We asked an audio-visual equipment development engineer to audition the tone.
比較例として、帯電防止被膜が形成されていない４種類のＯリング（比較例１〜４）とマグネシウム製の円板型インシュレーター（比較例５）を使用して、上述したのと同様の条件で聴感試験を行った。なお、本実験に使用したＯリングとインシュレーターの詳細を下記表１にまとめて示す。 As a comparative example, four types of O-rings (Comparative Examples 1 to 4) on which an antistatic coating is not formed and a magnesium disk-type insulator (Comparative Example 5) are used under the same conditions as described above. A hearing test was performed. The details of the O-ring and insulator used in this experiment are summarized in Table 1 below.
＜評価結果＞
試聴を担当したエンジニアは、インシュレーターを配置しない状態での再生音を基準として、インシュレーターとして実施例および比較例１〜５を配置した場合の聴感について、以下のように評価した。
<Evaluation result>
The engineer in charge of the audition evaluated the hearing sensation when Examples and Comparative Examples 1 to 5 were arranged as insulators based on the reproduced sound in the state where the insulator was not arranged as follows.
（比較例１：ニトリルゴム製Ｏリング）
音抜けが悪く、ダイナミックレンジ（帯域）が狭く、解像度が甘く、音がダブついており、高域部に違和感のある付帯音を感じる。
(Comparative Example 1: Nitrile rubber O-ring)
The sound is poor, the dynamic range (band) is narrow, the resolution is sweet, the sound is dub, and you can feel the incidental sound with a sense of discomfort in the high frequency range.
（比較例２：エチレンプロピレン製Ｏリング）
解像度とレスポンスは良いが、音が高域に寄ってしまってバランスが崩れており、余韻感もかなり薄い。
(Comparative example 2: Ethylene propylene O-ring)
The resolution and response are good, but the sound is closer to the high frequencies and the balance is lost, and the lingering feeling is quite thin.
（比較例３：シリコンゴム製Ｏリング）
音のバランスが高域寄りで低域が乏しく、ダイナミックレンジ（帯域）が狭い。
(Comparative example 3: Silicon rubber O-ring)
The sound balance is closer to the high range, the low range is poor, and the dynamic range (band) is narrow.
（比較例４：フッ素ゴム製Ｏリング）
音の解像度や上下左右の広がり感が良く、情報量や前後の厚みが増し、全帯域のバランスが良く、癖の無い自然な音質。ただし、解像度が増した分、余韻感がやや少なく淡泊なサウンド。また、音に若干の歪みがある。
(Comparative Example 4: Fluororubber O-ring)
The resolution of the sound and the sense of spaciousness in the vertical and horizontal directions are good, the amount of information and the thickness of the front and back are increased, the balance of all bands is good, and the natural sound quality without habit. However, due to the increased resolution, the sound has a slightly less lingering sound. Also, there is some distortion in the sound.
（実施例：帯電防止被膜付きフッ素ゴム製Ｏリング）
音の密度が濃く、音が滑らかで、音の輪郭がハッキリしており、余韻感も十分で、ハイファイなサウンド感。また、比較例４で感じた音の歪みが消えている。
(Example: Fluororubber O-ring with antistatic coating)
The sound is dense, the sound is smooth, the outline of the sound is clear, the lingering feeling is sufficient, and the sound is hi-fi. Moreover, the distortion of the sound felt in Comparative Example 4 has disappeared.
（比較例５：マグネシウム製円板型インシュレーター）
音の解像度や広がり感は増すが、実施例と比べると、若干マグネシウム固有の音がのっている感じがする。
(Comparative Example 5: Magnesium disk type insulator)
Although the resolution and spaciousness of the sound are increased, it seems that the sound peculiar to magnesium is slightly added as compared with the examples.
＜聴感試験２＞
帯電防止被膜付きフッ素ゴム製のＯリングをワイアレスイヤフォン（AirPods、アップル社製）の筐体の棒状部分に嵌めた状態で、ハイレゾ音源を再生し、その音色を、音響機器開発のエンジニアに試聴してもらったところ、音の解像度や低域の量感が良くなり、イヤフォン特有の薄い音が軽減され、生々しいサウンドになった、という評価を得た。
<Hearing test 2>
A high-resolution sound source is played with the O-ring made of fluororubber with antistatic coating fitted to the rod-shaped part of the housing of the wireless earphones (AirPods, manufactured by Apple Inc.), and the sound is auditioned by an audio equipment development engineer. When asked, it was evaluated that the resolution of the sound and the volume of the low range were improved, the faint sound peculiar to earphones was reduced, and the sound became vivid.
１０…帯電防止被膜付きフッ素ゴム製Ｏリング 10 ... Fluororubber O-ring with antistatic coating
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| JP2008201961A (en) * | 2007-02-21 | 2008-09-04 | Daikin Ind Ltd | Preventive for sliding |
| WO2014050817A1 (en) * | 2012-09-25 | 2014-04-03 | 三井化学株式会社 | Method for producing olefin polymer, and olefin polymer |
| WO2016002637A1 (en) * | 2014-06-30 | 2016-01-07 | 帝人株式会社 | Separator for nonaqueous secondary batteries, and nonaqueous secondary battery |
| JP2016053147A (en) * | 2014-03-05 | 2016-04-14 | ダイキン工業株式会社 | Fluororubber composition and fluororubber molding |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008201961A (en) * | 2007-02-21 | 2008-09-04 | Daikin Ind Ltd | Preventive for sliding |
| WO2014050817A1 (en) * | 2012-09-25 | 2014-04-03 | 三井化学株式会社 | Method for producing olefin polymer, and olefin polymer |
| JP2016053147A (en) * | 2014-03-05 | 2016-04-14 | ダイキン工業株式会社 | Fluororubber composition and fluororubber molding |
| WO2016002637A1 (en) * | 2014-06-30 | 2016-01-07 | 帝人株式会社 | Separator for nonaqueous secondary batteries, and nonaqueous secondary battery |
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