JPS58129625U - low noise transformer - Google Patents

low noise transformer

Info

Publication number
JPS58129625U
JPS58129625U JP2486982U JP2486982U JPS58129625U JP S58129625 U JPS58129625 U JP S58129625U JP 2486982 U JP2486982 U JP 2486982U JP 2486982 U JP2486982 U JP 2486982U JP S58129625 U JPS58129625 U JP S58129625U
Authority
JP
Japan
Prior art keywords
low noise
transformer
noise transformer
reinforcing members
opening
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
JP2486982U
Other languages
Japanese (ja)
Inventor
明彦 鈴木
英樹 田中
Original Assignee
株式会社東芝
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 by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP2486982U priority Critical patent/JPS58129625U/en
Publication of JPS58129625U publication Critical patent/JPS58129625U/en
Pending legal-status Critical Current

Links

Landscapes

  • Regulation Of General Use Transformers (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の建屋式防音変圧器を示す構造図、第２図
は従来の防音板式の防音変圧器を示す構造図、第３図は
本考案の低騒音変圧器の一実施例を示す部分断面図、第
４図Ａ、　Ｂはへルムホルツ共鳴器の原理を示す断面図
、第５図乃至第８図は本考案の他の実施例を示す部分断
面図である。 １１・・・・・・変圧器、１２・・・・・・容器外壁、
１３゜１３′・・・・・・補強材、１４・・・・・・開
口部、１５・・・・・・防音板、２１・・・・・・吸音
材、２２・・・・・・防振材、３１゜３２・・・・・・
ダクト部、４１・・・・・・液体、４２・・・・・・開
口部。Fig. 1 is a structural diagram showing a conventional building-type soundproof transformer, Fig. 2 is a structural diagram showing a conventional soundproof plate-type soundproof transformer, and Fig. 3 is a structural diagram showing an embodiment of the low-noise transformer of the present invention. FIGS. 4A and 4B are partial sectional views showing the principle of a Helmholtz resonator, and FIGS. 5 to 8 are partial sectional views showing other embodiments of the present invention. 11...Transformer, 12...Container outer wall,
13゜13'...Reinforcement material, 14...Opening, 15...Soundproof plate, 21...Sound absorbing material, 22... Vibration isolation material, 31°32...
Duct portion, 41...liquid, 42...opening.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 変圧器の容器外壁に、一部に開口部を有する中空箱形に
形成してヘルムホルツ共鳴器を構成した複数本の補強材
を、開口部を設けた側を向かい合わせて配設すると共に
上記開口部よりも外側に位置する補強材相互間に防音板
を配設したことを特徴とする低騒音変圧器。。A plurality of reinforcing members each formed into a hollow box shape with an opening in a part to constitute a Helmholtz resonator are arranged on the outer wall of the transformer container, with the sides with the opening facing each other, and A low-noise transformer characterized in that a soundproof plate is provided between reinforcing members located outside the parts. .
JP2486982U 1982-02-25 1982-02-25 low noise transformer Pending JPS58129625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2486982U JPS58129625U (en) 1982-02-25 1982-02-25 low noise transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2486982U JPS58129625U (en) 1982-02-25 1982-02-25 low noise transformer

Publications (1)

Publication Number Publication Date
JPS58129625U true JPS58129625U (en) 1983-09-02

Family

ID=30036850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2486982U Pending JPS58129625U (en) 1982-02-25 1982-02-25 low noise transformer

Country Status (1)

Country Link
JP (1) JPS58129625U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013021035A (en) * 2011-07-08 2013-01-31 Mitsubishi Electric Corp Noise reduction structure for transformer
JP2013254881A (en) * 2012-06-08 2013-12-19 Toshiba Corp Electrical apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013021035A (en) * 2011-07-08 2013-01-31 Mitsubishi Electric Corp Noise reduction structure for transformer
JP2013254881A (en) * 2012-06-08 2013-12-19 Toshiba Corp Electrical apparatus

Similar Documents

Publication Publication Date Title
JPS58129625U (en) low noise transformer
JPS5914958U (en) intake pipe device
JPS5835733U (en) soundproof ventilation
JPS581764U (en) Engine noise prevention device
JPS6066182U (en) speaker box
JPS60101886U (en) speaker box
JPS59167106U (en) Parting wall
JPS5823482U (en) cabinet
JPS6098986U (en) speaker box
JPS59112632U (en) Sound absorbing membrane for membrane structure
JPS5896398U (en) ultrasonic ceramic microphone
JPS5860135U (en) Silencer for ventilation fan
JPS5853900U (en) Centrifugal blower noise prevention device
JPS5924593U (en) Double wall sound deadening case
JPS59102948U (en) sound insulation cover
JPS58105991U (en) Soundproof structure cubicle
JPS6129247U (en) Silent ventilation box
JPS5842319U (en) Silencer
JPS60137005U (en) interior panel
JPS60143200U (en) turbo blower
JPS58151309U (en) Silencer
JPS60106037U (en) Silencer
JPS5918137U (en) Duct support device
JPS618125U (en) soundproofing material
JPS5859291U (en) speaker box