JPH02139492U - - Google Patents

Info

Publication number
JPH02139492U
JPH02139492U JP1989047033U JP4703389U JPH02139492U JP H02139492 U JPH02139492 U JP H02139492U JP 1989047033 U JP1989047033 U JP 1989047033U JP 4703389 U JP4703389 U JP 4703389U JP H02139492 U JPH02139492 U JP H02139492U
Authority
JP
Japan
Prior art keywords
blower
section
voltage
comparison
voltage generation
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
JP1989047033U
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 JP1989047033U priority Critical patent/JPH02139492U/ja
Publication of JPH02139492U publication Critical patent/JPH02139492U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Electric Motors In General (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ブロツク図
、第2図は第1図の電圧発生部の詳細図、第3図
a〜cは従来例を説明するための図である。 1…電圧発生部、2…比較判定部、3…警報表
示部、4…モータのシヤフト、5…ギア、6…直
流発電機、10…送風機のモータ部、11…作動
ダンパー、12…スイツチ、13…重り。

Claims (1)

    【実用新案登録請求の範囲】
  1. 冷却用送風機の送風機モータ部に取り付けられ
    る電圧発生部と、該電圧発生部より発生した電圧
    をあらかじめ設定された電圧と比較・判定し警報
    信号を発生する比較判定部と、該比較判定部で検
    出された信号を表示する警報表示部とを有し、送
    風機の風向及び風量を検出することを特徴とする
    送風機逆回転検出回路。
JP1989047033U 1989-04-21 1989-04-21 Pending JPH02139492U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989047033U JPH02139492U (ja) 1989-04-21 1989-04-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989047033U JPH02139492U (ja) 1989-04-21 1989-04-21

Publications (1)

Publication Number Publication Date
JPH02139492U true JPH02139492U (ja) 1990-11-21

Family

ID=31562614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989047033U Pending JPH02139492U (ja) 1989-04-21 1989-04-21

Country Status (1)

Country Link
JP (1) JPH02139492U (ja)

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