JPS58187993U - Brush wear detection device - Google Patents

Brush wear detection device

Info

Publication number
JPS58187993U
JPS58187993U JP8515982U JP8515982U JPS58187993U JP S58187993 U JPS58187993 U JP S58187993U JP 8515982 U JP8515982 U JP 8515982U JP 8515982 U JP8515982 U JP 8515982U JP S58187993 U JPS58187993 U JP S58187993U
Authority
JP
Japan
Prior art keywords
detection device
wear detection
brush wear
brush
electric motor
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
JP8515982U
Other languages
Japanese (ja)
Inventor
新村　照美
Original Assignee
株式会社安川電機
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 株式会社安川電機 filed Critical 株式会社安川電機
Priority to JP8515982U priority Critical patent/JPS58187993U/en
Publication of JPS58187993U publication Critical patent/JPS58187993U/en
Pending legal-status Critical Current

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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 drawings]

第１図は、本考案の一実施例を示す電子回路図、第２図
は同上要部の説明図、第３図ならびに第４図は、同上実
施例の説明グラフ図、第５図は電動機の特性を示すグラ
フ図である。 １０：電動機、１Ａ：ブラシ、Ｒ１：抵抗器（検出手段
）、２１：検出回路（検出手段）、２３．　２４：比較
器、比較手段、Ｒ６：抵抗器（設定手段）、ＲＨｌ、　
ＲＨ２：可変抵抗器（設定手段）、ＳＷｌ。 ＳＷ２：スイッチ（スイッチ手段）。 第２図 第３図FIG. 1 is an electronic circuit diagram showing an embodiment of the present invention, FIG. 2 is an explanatory diagram of the main parts of the same, FIGS. 3 and 4 are graphs for explaining the embodiment, and FIG. 5 is an electric motor. FIG. 10: Electric motor, 1A: Brush, R1: Resistor (detection means), 21: Detection circuit (detection means), 23. 24: Comparator, comparison means, R6: Resistor (setting means), RHL,
RH2: variable resistor (setting means), SWl. SW2: Switch (switch means). Figure 2 Figure 3

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電動機１０のブラシ１Ａが摩耗限界ａに達すると動作し
て、該ブラシの摩耗を検出する装置において、上記電動
機１０の端子電圧Ｅａを検出する検出手段Ｒ１，２１を
設けると共に、該検出手段の出力を比較する比較手段２
３．２４を設け、さらに該比較手段のレベルを設定する
手段を設けると共に、該設定手段を選択するスイッチ手
段ＳＷ１゜ＳＷ２を設けたことを特徴とするブラシ摩耗
の検出装置。A device that operates when the brush 1A of the electric motor 10 reaches the wear limit a and detects the wear of the brush is provided with detection means R1, 21 for detecting the terminal voltage Ea of the electric motor 10, and an output of the detection means. Comparison means 2 to compare
3.24, a means for setting the level of the comparison means, and a switch means SW1-SW2 for selecting the setting means.
JP8515982U 1982-06-08 1982-06-08 Brush wear detection device Pending JPS58187993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8515982U JPS58187993U (en) 1982-06-08 1982-06-08 Brush wear detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8515982U JPS58187993U (en) 1982-06-08 1982-06-08 Brush wear detection device

Publications (1)

Publication Number Publication Date
JPS58187993U true JPS58187993U (en) 1983-12-14

Family

ID=30094068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8515982U Pending JPS58187993U (en) 1982-06-08 1982-06-08 Brush wear detection device

Country Status (1)

Country Link
JP (1) JPS58187993U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109265U (en) * 1988-01-14 1989-07-24

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743540A (en) * 1980-08-27 1982-03-11 Fuji Electric Co Ltd Abrasion limit detecting circuit for carbon brush

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743540A (en) * 1980-08-27 1982-03-11 Fuji Electric Co Ltd Abrasion limit detecting circuit for carbon brush

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109265U (en) * 1988-01-14 1989-07-24

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