JPH0164929U - - Google Patents

Info

Publication number
JPH0164929U
JPH0164929U JP1987159971U JP15997187U JPH0164929U JP H0164929 U JPH0164929 U JP H0164929U JP 1987159971 U JP1987159971 U JP 1987159971U JP 15997187 U JP15997187 U JP 15997187U JP H0164929 U JPH0164929 U JP H0164929U
Authority
JP
Japan
Prior art keywords
voltage
reference voltage
detection circuit
overvoltage
overvoltage detection
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
Application number
JP1987159971U
Other languages
English (en)
Other versions
JPH0750847Y2 (ja
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 JP1987159971U priority Critical patent/JPH0750847Y2/ja
Publication of JPH0164929U publication Critical patent/JPH0164929U/ja
Application granted granted Critical
Publication of JPH0750847Y2 publication Critical patent/JPH0750847Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Protection Of Static Devices (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例を示す回路図、第2
図は従来の過電圧検出回路の回路図である。 20,21……分圧抵抗、22……直流電源、
23……直流電圧調整器、24……トランジスタ
、25……ホトカツプラ、26……電流制限抵抗

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) インバータ直流回路の電圧を分圧して検出
    し、この検出電圧を比較手段で基準電圧と比較し
    、上記比較手段の出力によりホトカツプラをオン
    ・オフ駆動する過電圧検出回路において、上記基
    準電圧が、直流電源に接続された直流電圧調整器
    により作成されることを特徴とする過電圧検出回
    路。 (2) 比較手段が、PNPトランジスタであつて
    、そのエミツタに基準電圧が導かれ、そのベース
    に検出電圧が導かれることを特徴とする実用新案
    登録請求の範囲第1項記載の過電圧検出回路。 (3) 直流電源が、インバータ主回路のスイツチ
    ング素子をオン・オフ駆動する駆動回路の電源で
    あることを特徴とする実用新案登録請求の範囲第
    1項または第2項記載の過電圧検出回路。
JP1987159971U 1987-10-21 1987-10-21 過電圧検出回路 Expired - Lifetime JPH0750847Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987159971U JPH0750847Y2 (ja) 1987-10-21 1987-10-21 過電圧検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987159971U JPH0750847Y2 (ja) 1987-10-21 1987-10-21 過電圧検出回路

Publications (2)

Publication Number Publication Date
JPH0164929U true JPH0164929U (ja) 1989-04-26
JPH0750847Y2 JPH0750847Y2 (ja) 1995-11-15

Family

ID=31441643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987159971U Expired - Lifetime JPH0750847Y2 (ja) 1987-10-21 1987-10-21 過電圧検出回路

Country Status (1)

Country Link
JP (1) JPH0750847Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014124062A (ja) * 2012-12-21 2014-07-03 Tsubaki E&M Co 過負荷検知装置及び過負荷検知方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014124062A (ja) * 2012-12-21 2014-07-03 Tsubaki E&M Co 過負荷検知装置及び過負荷検知方法

Also Published As

Publication number Publication date
JPH0750847Y2 (ja) 1995-11-15

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