JPS6216070Y2 - - Google Patents
Info
- Publication number
- JPS6216070Y2 JPS6216070Y2 JP1981146234U JP14623481U JPS6216070Y2 JP S6216070 Y2 JPS6216070 Y2 JP S6216070Y2 JP 1981146234 U JP1981146234 U JP 1981146234U JP 14623481 U JP14623481 U JP 14623481U JP S6216070 Y2 JPS6216070 Y2 JP S6216070Y2
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- foil
- tape
- thermosetting adhesive
- heat treatment
- 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
Links
- 239000011888 foil Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 229920001187 thermosetting polymer Polymers 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910000737 Duralumin Inorganic materials 0.000 claims description 5
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000000123 paper Substances 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
【考案の詳細な説明】 本考案はスピーカー用ボイスコイルに関する。[Detailed explanation of the idea] The present invention relates to a voice coil for speakers.
従来、クラフト紙等のテープ状紙とテープ状ア
ルミニウム箔を２層にスパイラル巻きしたボビン
に導線を巻着したスピーカー用ボイスコイルが公
知である。 2. Description of the Related Art Conventionally, a voice coil for a speaker is known in which a conducting wire is wound around a bobbin made of two layers of spirally wound tape-like paper such as kraft paper and tape-like aluminum foil.
このような従来のボイスコイルは、ボビンに熱
硬化性接着剤を塗布しながらボビンを巻付けた
後、熱処理を施して上記熱硬化性接着剤を加熱硬
化させた構造を有するが、熱処理（180〜220℃で
約30分）の際に、アルミニウム箔が焼なましの状
態になりヤング率が半減するため、ボビンの腰が
弱く柔くなり、変形しやすく、また、再生限界周
波数が低くなる欠点があつた。 Such conventional voice coils have a structure in which a thermosetting adhesive is applied to the bobbin and the bobbin is wound around the bobbin, and then heat treatment is applied to harden the thermosetting adhesive. (about 30 minutes at ~220℃), the aluminum foil becomes annealed and its Young's modulus is halved, making the bobbin weak and flexible, easily deformed, and lowering the reproduction limit frequency. There were flaws.
本考案はこのような従来欠点を改良したもの
で、以下図において説明する。 The present invention improves on these conventional drawbacks, and will be explained below with reference to the drawings.
図において説明すると、クラフト紙等のテープ
状紙またはポリイミド樹脂等の合成樹脂箔１とテ
ープ状ジラルミン箔２とをいずれか一方を内層に
して２層にスパイラル巻きしたボビン３に、熱硬
化性接着剤を塗布しながら導線４を巻付け、その
後、熱処理（180〜220℃、30分）を施して熱硬化
性接着剤を加熱硬化させて、導線４間および導線
４とボビン３を接着した構造である。 To explain this in the figure, a thermosetting adhesive is attached to a bobbin 3 which is spirally wound in two layers with tape-shaped paper such as kraft paper or synthetic resin foil 1 such as polyimide resin and tape-shaped dirallumin foil 2 with one of them as an inner layer. A structure in which the conducting wires 4 are wound while applying the adhesive, and then heat treatment (180 to 220°C, 30 minutes) is applied to heat cure the thermosetting adhesive to bond between the conducting wires 4 and between the conducting wires 4 and the bobbin 3. It is.
ボイスコイルは、ボビンに熱硬化性接着剤を塗
布しながら導線４を巻き付け、その後、熱処理
（180〜220℃）を施して上記熱硬化性接着剤を加
熱硬化させて完成されるが、この熱処理工程にお
いて、従来のボビン材（アルミニウム箔）は焼き
なましの状態になる。 The voice coil is completed by wrapping the conducting wire 4 around the bobbin while applying a thermosetting adhesive, and then applying heat treatment (180 to 220°C) to harden the thermosetting adhesive. In the process, the conventional bobbin material (aluminum foil) becomes annealed.
これに対して、本考案におけるジユラルミン箔
は、従来のアルミニウム箔のように焼きなましの
状態にならず、高剛性を保持する。すなわち、ボ
ビンを構成する金属箔の熱処理後のヤング率は、
本考案・ジユラルミン箔
7.38×103Kg／mm2
従来例・アルミニウム箔
3.56×103Kg／mm2となる。 On the other hand, the duralumin foil of the present invention does not become annealed like conventional aluminum foil and maintains high rigidity. That is, the Young's modulus of the metal foil constituting the bobbin after heat treatment is 7.38×10 3 Kg/mm 2 for the present invention, duralumin foil, and 3.56×10 3 Kg/mm 2 for the conventional aluminum foil.
したがつて、本考案では、ボビン３の腰が強く
なり再生限界周波数が高くなり、また、ボビンの
変形もなくなる。また、ジユラルミン箔の厚さも
従来のアルミニウム箔（厚さ0.02〜0.03mm）にへ
らべて約半分に薄くできるので、振動系の軽量化
を計ることができ、能率アツプでき、高能率のス
ピーカーを提供できる、効果がある。 Therefore, in the present invention, the bobbin 3 becomes stiffer, the reproduction limit frequency becomes higher, and the bobbin does not deform. In addition, the thickness of duralumin foil can be reduced to about half that of conventional aluminum foil (0.02 to 0.03 mm thick), making it possible to reduce the weight of the vibration system, increasing efficiency, and creating highly efficient speakers. It can be provided and it is effective.
図は本考案のスピーカー用ボイスコイルの構造
を示す図である。
１はテープ状紙または合成樹脂箔、２はジユラ
ルミン箔、３はボビン、４は導線である。
The figure shows the structure of the speaker voice coil of the present invention. 1 is a tape-like paper or synthetic resin foil, 2 is a duralumin foil, 3 is a bobbin, and 4 is a conductive wire.
Claims (1)
ラルミン箔２とを２層にスパイラル巻きしたボビ
ン３に熱硬化性接着剤を塗布しながら導線４を巻
き付け、熱処理を施して上記熱硬化性接着剤を加
熱硬化させてなるスピーカー用ボイスコイル。 A conductive wire 4 is wound around a bobbin 3 which is spirally wound with two layers of tape-shaped paper or synthetic resin foil 1 and tape-shaped duralumin foil 2 while applying a thermosetting adhesive, and heat treatment is performed to coat the thermosetting adhesive. Voice coil for speakers made by heating and hardening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14623481U JPS5850588U (en) | 1981-09-30 | 1981-09-30 | Voice coil for speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14623481U JPS5850588U (en) | 1981-09-30 | 1981-09-30 | Voice coil for speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5850588U JPS5850588U (en) | 1983-04-05 |
| JPS6216070Y2 true JPS6216070Y2 (en) | 1987-04-23 |
Family
ID=29939147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14623481U Granted JPS5850588U (en) | 1981-09-30 | 1981-09-30 | Voice coil for speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5850588U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916140U (en) * | 1972-05-17 | 1974-02-09 |
-
1981
- 1981-09-30 JP JP14623481U patent/JPS5850588U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916140U (en) * | 1972-05-17 | 1974-02-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5850588U (en) | 1983-04-05 |
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