JPS58665U - Insulation drop detection device for rotating electrical machines - Google Patents

Insulation drop detection device for rotating electrical machines

Info

Publication number
JPS58665U
JPS58665U JP9546781U JP9546781U JPS58665U JP S58665 U JPS58665 U JP S58665U JP 9546781 U JP9546781 U JP 9546781U JP 9546781 U JP9546781 U JP 9546781U JP S58665 U JPS58665 U JP S58665U
Authority
JP
Japan
Prior art keywords
detection device
rotating electrical
electrical machines
drop detection
insulation drop
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
JP9546781U
Other languages
Japanese (ja)
Other versions
JPS6330222Y2 (en
Inventor
黒川　凱雄
Original Assignee
富士電機株式会社
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 富士電機株式会社 filed Critical 富士電機株式会社
Priority to JP9546781U priority Critical patent/JPS58665U/en
Publication of JPS58665U publication Critical patent/JPS58665U/en
Application granted granted Critical
Publication of JPS6330222Y2 publication Critical patent/JPS6330222Y2/ja
Granted legal-status Critical Current

Links

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) [Summary] 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 the drawing]

第１図は、この考案の一実施例の要部の構成を拡大して
示す図、第２図は、第１図の装置を使用できる直流電動
機の側面図、第３図は、第１図の装置の電気回路図であ
る。 １・・・整流子、２・・・全閉形直流電動機のケース、
３・・・ブラケット、４・・・ブラシロッカ、５・・・
回転軸、７・・・ブラシ保持器、７ａ・・・ブラシ保持
部、９ａ。 ９ｂ、　　９．　９・・・ブラシ、１０・・・電流検出
用の電極、２０・・・直流電源、２１・・・全波整流器
、２２・・・可変抵抗器、２３・・・分圧用の抵抗器、
２７・・・トランジスタ、２９・・・リレー、３Ｑ・・
・警報器。FIG. 1 is an enlarged view showing the configuration of the main parts of an embodiment of this invention, FIG. 2 is a side view of a DC motor that can use the device shown in FIG. 1, and FIG. FIG. 3 is an electrical circuit diagram of the device. 1... Commutator, 2... Totally enclosed DC motor case,
3... Bracket, 4... Brush rocker, 5...
Rotating shaft, 7... Brush holder, 7a... Brush holding part, 9a. 9b, 9. 9... Brush, 10... Electrode for current detection, 20... DC power supply, 21... Full wave rectifier, 22... Variable resistor, 23... Resistor for voltage division,
27...Transistor, 29...Relay, 3Q...
・Alarm.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブラシを有する回転電機のブラシ近傍の電気絶縁体の表
面に漏れ電流検出用の電極と、上記電極に流れる電流が
、所定値より大きいときに信号を出力する判定回路とを
備えたことを特徴とする回転電機の絶縁低下検出装置。A rotary electric machine having brushes has an electrode for detecting leakage current on the surface of an electrical insulator near the brush, and a determination circuit that outputs a signal when the current flowing through the electrode is larger than a predetermined value. Insulation deterioration detection device for rotating electric machines.
JP9546781U 1981-06-26 1981-06-26 Insulation drop detection device for rotating electrical machines Granted JPS58665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9546781U JPS58665U (en) 1981-06-26 1981-06-26 Insulation drop detection device for rotating electrical machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9546781U JPS58665U (en) 1981-06-26 1981-06-26 Insulation drop detection device for rotating electrical machines

Publications (2)

Publication Number Publication Date
JPS58665U true JPS58665U (en) 1983-01-05
JPS6330222Y2 JPS6330222Y2 (en) 1988-08-12

Family

ID=29890371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9546781U Granted JPS58665U (en) 1981-06-26 1981-06-26 Insulation drop detection device for rotating electrical machines

Country Status (1)

Country Link
JP (1) JPS58665U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5469701A (en) * 1977-11-15 1979-06-05 Hitachi Ltd Insulation deterioration detecting device for rotary electric machine coil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5469701A (en) * 1977-11-15 1979-06-05 Hitachi Ltd Insulation deterioration detecting device for rotary electric machine coil

Also Published As

Publication number Publication date
JPS6330222Y2 (en) 1988-08-12

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