JPS5825560U - Brush wear detection device - Google Patents
Brush wear detection deviceInfo
- Publication number
- JPS5825560U JPS5825560U JP11911781U JP11911781U JPS5825560U JP S5825560 U JPS5825560 U JP S5825560U JP 11911781 U JP11911781 U JP 11911781U JP 11911781 U JP11911781 U JP 11911781U JP S5825560 U JPS5825560 U JP S5825560U
- Authority
- JP
- Japan
- Prior art keywords
- brush
- detection device
- ferromagnetic material
- wear detection
- brush wear
- 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
Links
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Motor Or Generator Current Collectors (AREA)
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
第1図は本考案によるブラシ摩耗検出装置の一実施例を
示す正面断面図、第2図は第1図のA−A線断面図であ
る。第3図は本考案による2番目の実施例を示す正面断
面図、第4図は第3図のB−B線断面図である、第5図
は本考案による3番目の実施例を示す正面断面図、第6
図は第5図のA−A線断面図である。第7図、第8図お
よび第4図は本考案の構成要素の一部であるブラシに取
り付けられる磁性板の変形例でその斜視図である。
図において、1は電機子、2は整流子、3はブラシ、4
はスプリング、4′は強磁性体スプリン グ、5
はブラシホルダ、6はブラシキャップ、7はピグテール
、−8はストップピース、9は穴部、10は溝部> 1
1は弧状片、12は磁石、13はホール素子、14はホ
ルダ外被、15は増幅器、16は出力部、17は磁性板
、18はリードワイヤ、19はブラシターミナル、20
はヨーク、21は一次巻線、22は二次巻線、23はリ
ードスイッチ、24は磁性棒である。−FIG. 1 is a front sectional view showing an embodiment of the brush wear detection device according to the present invention, and FIG. 2 is a sectional view taken along the line A--A in FIG. FIG. 3 is a front cross-sectional view showing the second embodiment of the present invention, FIG. 4 is a cross-sectional view taken along line B-B in FIG. 3, and FIG. 5 is a front view showing the third embodiment of the present invention. Sectional view, No. 6
The figure is a sectional view taken along the line A--A in FIG. 5. 7, 8, and 4 are perspective views of modified examples of the magnetic plate attached to the brush, which is a part of the constituent elements of the present invention. In the figure, 1 is the armature, 2 is the commutator, 3 is the brush, 4
is a spring, 4' is a ferromagnetic spring, 5
is the brush holder, 6 is the brush cap, 7 is the pigtail, -8 is the stop piece, 9 is the hole, 10 is the groove > 1
1 is an arcuate piece, 12 is a magnet, 13 is a Hall element, 14 is a holder jacket, 15 is an amplifier, 16 is an output section, 17 is a magnetic plate, 18 is a lead wire, 19 is a brush terminal, 20
is a yoke, 21 is a primary winding, 22 is a secondary winding, 23 is a reed switch, and 24 is a magnetic bar. −
Claims (1)
け隔った位置に強磁性体を置き、このカーボンブラシの
摩耗により、該接触摺動面と該強磁性体との間隔が所定
の寸法になった時、該強磁性体がブラシチューブ外部に
その部分を形成する磁気回路の中のブラシチューブ内で
の構成要素となるように設定し、この磁気回路に磁速を
発生させる磁石あるいは電磁石とホール素子、リードス
イッチあるいはコイルなどこの磁気回路に貫流す。 る磁束の変化を検出する素子を取り付けたブラシ摩耗検
出装置。[Claim for Utility Model Registration] A ferromagnetic material is placed at a position spaced apart by the necessary dimension from the contact sliding surface of the carbon brush with the commutator, and as the carbon brush wears, the contact sliding surface and the ferromagnetic material When the distance between the body and the body reaches a predetermined dimension, the ferromagnetic material is set so as to become a component within the brush tube in a magnetic circuit that forms part of the outside of the brush tube, and Current flows through this magnetic circuit, including a magnet or electromagnet that generates magnetic velocity, a Hall element, a reed switch, or a coil. A brush wear detection device equipped with an element that detects changes in magnetic flux.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11911781U JPS5825560U (en) | 1981-08-10 | 1981-08-10 | Brush wear detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11911781U JPS5825560U (en) | 1981-08-10 | 1981-08-10 | Brush wear detection device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5825560U true JPS5825560U (en) | 1983-02-18 |
Family
ID=29913198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11911781U Pending JPS5825560U (en) | 1981-08-10 | 1981-08-10 | Brush wear detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5825560U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020517964A (en) * | 2017-04-28 | 2020-06-18 | シュンク カーボン テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング | Measuring device and method for measuring the state of wear |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5135003A (en) * | 1974-09-19 | 1976-03-25 | Tokyo Shibaura Electric Co | BURASHIHOJIKI |
-
1981
- 1981-08-10 JP JP11911781U patent/JPS5825560U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5135003A (en) * | 1974-09-19 | 1976-03-25 | Tokyo Shibaura Electric Co | BURASHIHOJIKI |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020517964A (en) * | 2017-04-28 | 2020-06-18 | シュンク カーボン テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング | Measuring device and method for measuring the state of wear |
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