JPH0242494U - - Google Patents

Info

Publication number
JPH0242494U
JPH0242494U JP12258988U JP12258988U JPH0242494U JP H0242494 U JPH0242494 U JP H0242494U JP 12258988 U JP12258988 U JP 12258988U JP 12258988 U JP12258988 U JP 12258988U JP H0242494 U JPH0242494 U JP H0242494U
Authority
JP
Japan
Prior art keywords
exhaust duct
exhaust
absorbing material
glass wool
porous 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
Application number
JP12258988U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12258988U priority Critical patent/JPH0242494U/ja
Publication of JPH0242494U publication Critical patent/JPH0242494U/ja
Pending legal-status Critical Current

Links

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  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す電子機器の外
観斜視図、第２図は第１図の縦断面図、第３図は
排気ダクト部の詳細断面図、第４図は従来の電子
機器の外観斜視図、第５図は第４図の縦断面図で
ある。 １：筐体、２：排気口、３：排気ダクト、５：
ユニツト、６：架枠、７：送風機、８：空洞共鳴
室、９，１０：多孔質吸音材。

Claims (1)

  1. 【実用新案登録請求の範囲】 架内に搭載する電子回路パツケージを有するユ
    ニツトの空冷用送風機の風の吐き出し側に設けら
    れた排気ダクトと該排気ダクトと貫通穴を介し連
    通する少なくとも１つ以上の空洞共鳴室とを有し
    た電子機器の防音構造において、 上記排気ダクトは、Ｌ字型に屈曲した排気路を
    形成してなると共に、その内壁にグラスウール等
    の多孔質吸音材を備え、 上記空洞共鳴室は、発生騒音の減衰を行う特定
    周波数帯に共鳴周波数を合致させると共に、その
    内部にグラスウール等の多孔質吸音材を充填した
    ことを特徴とする電子機器の防音構造。
JP12258988U 1988-09-19 1988-09-19 Pending JPH0242494U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12258988U JPH0242494U (ja) 1988-09-19 1988-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12258988U JPH0242494U (ja) 1988-09-19 1988-09-19

Publications (1)

Publication Number Publication Date
JPH0242494U true JPH0242494U (ja) 1990-03-23

Family

ID=31370661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12258988U Pending JPH0242494U (ja) 1988-09-19 1988-09-19

Country Status (1)

Country Link
JP (1) JPH0242494U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012064685A (ja) * 2010-09-15 2012-03-29 Toshiba Corp 電子機器用筐体装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717197A (en) * 1980-07-04 1982-01-28 Mitsubishi Electric Corp Electric device housing
JPS57181200A (en) * 1981-03-27 1982-11-08 Tokyo Shibaura Electric Co Housing for computer
JPS5822770B1 (ja) * 1975-10-13 1983-05-11 Casio Computer Co Ltd

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822770B1 (ja) * 1975-10-13 1983-05-11 Casio Computer Co Ltd
JPS5717197A (en) * 1980-07-04 1982-01-28 Mitsubishi Electric Corp Electric device housing
JPS57181200A (en) * 1981-03-27 1982-11-08 Tokyo Shibaura Electric Co Housing for computer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012064685A (ja) * 2010-09-15 2012-03-29 Toshiba Corp 電子機器用筐体装置

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