JPS61185231U - - Google Patents

Info

Publication number
JPS61185231U
JPS61185231U JP6579085U JP6579085U JPS61185231U JP S61185231 U JPS61185231 U JP S61185231U JP 6579085 U JP6579085 U JP 6579085U JP 6579085 U JP6579085 U JP 6579085U JP S61185231 U JPS61185231 U JP S61185231U
Authority
JP
Japan
Prior art keywords
amount
infrared rays
motor
detection sensor
set value
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
JP6579085U
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 JP6579085U priority Critical patent/JPS61185231U/ja
Publication of JPS61185231U publication Critical patent/JPS61185231U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の構成図。第2図は
本考案の一実施例の接続図。 1……ダクト、2……送風機、2M……直流モ
ータ、3……速度制御用抵抗、4……赤外線検出
センサ、4……赤外線通過フイルタ、4……
ホトトランジスタ、5……判別回路、5……電
圧比較器、5……駆動回路、6……リレー、7
……切替スイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 直流モータに直列接続された速度制御用抵抗か
    ら放射される赤外線量を検出する赤外線検出セン
    サと、赤外線検出センサによる検出赤外線量が設
    定値以上となつたか否かを判別する判別手段と、
    判別手段により赤外線量が設定値以上となつたこ
    とを判別した出力により直流モータへの電圧印加
    を遮断する遮断手段とを備えたことを特徴とする
    モータの過負荷保護装置。
JP6579085U 1985-05-04 1985-05-04 Pending JPS61185231U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6579085U JPS61185231U (ja) 1985-05-04 1985-05-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6579085U JPS61185231U (ja) 1985-05-04 1985-05-04

Publications (1)

Publication Number Publication Date
JPS61185231U true JPS61185231U (ja) 1986-11-19

Family

ID=30598101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6579085U Pending JPS61185231U (ja) 1985-05-04 1985-05-04

Country Status (1)

Country Link
JP (1) JPS61185231U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522836A (en) * 1974-09-02 1978-08-31 Unelec Electrical machine with thermal overload protection
JPS5918532B2 (ja) * 1977-06-15 1984-04-27 石川島播磨重工業株式会社 過給機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522836A (en) * 1974-09-02 1978-08-31 Unelec Electrical machine with thermal overload protection
JPS5918532B2 (ja) * 1977-06-15 1984-04-27 石川島播磨重工業株式会社 過給機

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