JPH0266920A - Acoustic electrolytic capacitor - Google Patents
Acoustic electrolytic capacitorInfo
- Publication number
- JPH0266920A JPH0266920A JP21869688A JP21869688A JPH0266920A JP H0266920 A JPH0266920 A JP H0266920A JP 21869688 A JP21869688 A JP 21869688A JP 21869688 A JP21869688 A JP 21869688A JP H0266920 A JPH0266920 A JP H0266920A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- salts
- electrolyte
- acids
- added
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000003839 salts Chemical class 0.000 claims abstract description 12
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 6
- 150000007513 acids Chemical class 0.000 claims abstract description 6
- 239000001361 adipic acid Substances 0.000 claims abstract description 4
- 235000011037 adipic acid Nutrition 0.000 claims abstract description 4
- 150000002170 ethers Chemical class 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000008151 electrolyte solution Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 11
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 abstract description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 abstract description 2
- SLAMLWHELXOEJZ-UHFFFAOYSA-N 2-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1[N+]([O-])=O SLAMLWHELXOEJZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005711 Benzoic acid Substances 0.000 abstract description 2
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 abstract description 2
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 abstract description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 abstract description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 2
- 235000003704 aspartic acid Nutrition 0.000 abstract description 2
- 235000010233 benzoic acid Nutrition 0.000 abstract description 2
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 abstract description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004327 boric acid Substances 0.000 abstract description 2
- 235000010338 boric acid Nutrition 0.000 abstract description 2
- 235000015165 citric acid Nutrition 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract description 2
- 235000013922 glutamic acid Nutrition 0.000 abstract description 2
- 239000004220 glutamic acid Substances 0.000 abstract description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract description 2
- 239000011976 maleic acid Substances 0.000 abstract description 2
- 239000001630 malic acid Substances 0.000 abstract description 2
- 235000011090 malic acid Nutrition 0.000 abstract description 2
- 235000006408 oxalic acid Nutrition 0.000 abstract description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 abstract description 2
- 235000011007 phosphoric acid Nutrition 0.000 abstract description 2
- 229960004889 salicylic acid Drugs 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 abstract description 2
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 abstract 1
- -1 aliphatic dicarboxylic acids Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は音響用電解コンデンサ、特には音響用電解コン
デンサに適した駆動用電解液の組成に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an acoustic electrolytic capacitor, and particularly to a composition of a driving electrolyte suitable for an acoustic electrolytic capacitor.
[従来の技術]
オーディオ機器において、アルミニウム電解コンデンサ
は電源回路のフィルタ、各回路ブロックのカップリング
およびデカップリングに使用されているが、電解コンデ
ンサの材料や製法により再生音の音質が変化する現象が
認められている。また、電解コンデンサ内には駆動用電
解液が含浸されているが、音響用の電解コンデンサの駆
動用電解液としてはエチレングリコールまたはそのエー
テル類、水およびアジピン酸またはその塩からなるもの
が一般的である。[Prior Art] In audio equipment, aluminum electrolytic capacitors are used as filters in power supply circuits and for coupling and decoupling of each circuit block, but the quality of reproduced sound changes depending on the material and manufacturing method of the electrolytic capacitor. It recognized. Furthermore, electrolytic capacitors are impregnated with a driving electrolyte, and the driving electrolyte for acoustic electrolytic capacitors is generally composed of ethylene glycol or its ethers, water, and adipic acid or its salts. It is.
[発明が解決しようとする課題]
このような駆動用電解液を使用した電解コンデンサにお
いては、未だ優れた再生音質を得ることが困難なもので
あった。[Problems to be Solved by the Invention] In electrolytic capacitors using such a driving electrolyte, it is still difficult to obtain excellent reproduced sound quality.
[課題を解決するための手段]
本発明は、より優れた再生音質、すなわち均一で、バラ
ンスの良い、劣化の少ない音質を得ることのできる電解
コンデンサを提供することを目的としたもので、具体的
にはエチレングリコールまたはそのエーテル類、水およ
びアジピン酸またはその塩からなる主電解液に分子量お
よび分子構造の異なる他の酸またはその塩を3種類以上
添加した電解液を使用したものである。[Means for Solving the Problems] The present invention aims to provide an electrolytic capacitor that can obtain better reproduced sound quality, that is, uniform, well-balanced sound quality with less deterioration. Specifically, an electrolytic solution is used in which three or more types of other acids or salts thereof having different molecular weights and molecular structures are added to a main electrolytic solution consisting of ethylene glycol or its ethers, water, and adipic acid or its salt.
本発明において、主電解液に対して添加される酸または
その塩としては、ニトロ安息香酸、フタル酸、サリチル
酸、安息香酸、マレイン酸、硼酸、リン酸、蓚酸、リン
ゴ酸、クエン酸、アスパラギン酸、グルタミン酸、11
00(: fcHzl−COOHのn;2〜10の脂肪
族ジカルボン酸の単体またはその塩が好ましい、脂肪族
ジカルボン酸において、nが2未満の場合においては、
アルミニウム誘電体酸化被膜を溶解し、音質的に有効的
な効果はなかった。また、nが11以上の場合は溶媒に
殆ど溶けず、添加効果が少なかった。In the present invention, the acids or their salts added to the main electrolyte include nitrobenzoic acid, phthalic acid, salicylic acid, benzoic acid, maleic acid, boric acid, phosphoric acid, oxalic acid, malic acid, citric acid, and aspartic acid. , glutamic acid, 11
00 (: n of fcHzl-COOH; 2 to 10 aliphatic dicarboxylic acids alone or salts thereof are preferred; in aliphatic dicarboxylic acids, when n is less than 2,
It dissolved the aluminum dielectric oxide film and had no effective effect on sound quality. Moreover, when n was 11 or more, it was hardly soluble in the solvent, and the effect of addition was small.
[実施例]
先ず、第1表に本発明に係る電解液の組成(実施例1〜
5)を従来例とともに記す。[Example] First, Table 1 shows the composition of the electrolyte solution according to the present invention (Examples 1 to 3).
5) will be described together with the conventional example.
次に、第1表に示した電解液を使用し、定格63V−1
200μF、ケースサイズ直径50mm、長さ80mm
のラグ端子タイプのアルミニウム電解コンデンサを製作
した。そして、これらアルミニウム電解コンデンサをブ
リメインアンプの電源フィルタに実装し、同コンデンサ
を交換することによって、試聴し、音質を判定した。そ
の結果を第2表に示す。Next, using the electrolyte shown in Table 1, the rating is 63V-1.
200μF, case size diameter 50mm, length 80mm
We have manufactured lug terminal type aluminum electrolytic capacitors. These aluminum electrolytic capacitors were mounted on the power filter of the Brima amplifier, and by replacing the capacitors, we listened and judged the sound quality. The results are shown in Table 2.
第2表 音質判定結果 6.0に達しなかった。Table 2 Sound quality judgment results It did not reach 6.0.
[効 果]
以上にて述べた本発明によると、音質の優れた音響用電
解コンデンサを得ることができる。[Effects] According to the present invention described above, an acoustic electrolytic capacitor with excellent sound quality can be obtained.
Claims (2)
よびアジピン酸またはその塩からなる主電解液に対して
、分子量および分子構造の異なる他の酸またはその塩を
3種類以上添加した電解液を使用したことを特徴とする
音響用電解コンデンサ。(1) Use of an electrolytic solution in which three or more other acids or salts thereof with different molecular weights and molecular structures are added to the main electrolytic solution consisting of ethylene glycol or its ethers, water, and adipic acid or its salts. An acoustic electrolytic capacitor featuring:
とを特徴とした請求項(1)記載の音響用電解コンデン
サ。(2) The acoustic electrolytic capacitor according to claim (1), wherein the total amount of additives is 0.3 to 10.0 wt%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63218696A JPH0748456B2 (en) | 1988-09-01 | 1988-09-01 | Acoustic electrolytic capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63218696A JPH0748456B2 (en) | 1988-09-01 | 1988-09-01 | Acoustic electrolytic capacitor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0266920A true JPH0266920A (en) | 1990-03-07 |
JPH0748456B2 JPH0748456B2 (en) | 1995-05-24 |
Family
ID=16723981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63218696A Expired - Lifetime JPH0748456B2 (en) | 1988-09-01 | 1988-09-01 | Acoustic electrolytic capacitor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0748456B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485346A (en) * | 1992-09-29 | 1996-01-16 | Matsushita Electric Industrial Co., Ltd. | Electrolyte for driving electrolytic capacitor and the electrolytic capacitor |
WO2000042672A2 (en) * | 1998-12-18 | 2000-07-20 | Danionics A/S | Hydrofluoric acid scavenger |
JP2007005349A (en) * | 2005-06-21 | 2007-01-11 | Nichicon Corp | Electrolyte for driving acoustic electrolytic capacitor, and acoustic electrolytic capacitor using the same |
US20150127060A1 (en) * | 2011-02-04 | 2015-05-07 | Vishay Sprague, Inc. | Hermetically sealed electrolytic capacitor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63142805A (en) * | 1986-12-06 | 1988-06-15 | 日本ケミコン株式会社 | Electrolytic capacitor |
-
1988
- 1988-09-01 JP JP63218696A patent/JPH0748456B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63142805A (en) * | 1986-12-06 | 1988-06-15 | 日本ケミコン株式会社 | Electrolytic capacitor |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485346A (en) * | 1992-09-29 | 1996-01-16 | Matsushita Electric Industrial Co., Ltd. | Electrolyte for driving electrolytic capacitor and the electrolytic capacitor |
WO2000042672A2 (en) * | 1998-12-18 | 2000-07-20 | Danionics A/S | Hydrofluoric acid scavenger |
WO2000042672A3 (en) * | 1998-12-18 | 2000-11-16 | Danionics As | Hydrofluoric acid scavenger |
JP2007005349A (en) * | 2005-06-21 | 2007-01-11 | Nichicon Corp | Electrolyte for driving acoustic electrolytic capacitor, and acoustic electrolytic capacitor using the same |
US20150127060A1 (en) * | 2011-02-04 | 2015-05-07 | Vishay Sprague, Inc. | Hermetically sealed electrolytic capacitor |
US9737724B2 (en) * | 2011-02-04 | 2017-08-22 | Vishay Sprague, Inc. | Hermetically sealed electrolytic capacitor |
Also Published As
Publication number | Publication date |
---|---|
JPH0748456B2 (en) | 1995-05-24 |
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