JPS59191894U - Motor abnormality detection device - Google Patents
Motor abnormality detection deviceInfo
- Publication number
- JPS59191894U JPS59191894U JP1983088209U JP8820983U JPS59191894U JP S59191894 U JPS59191894 U JP S59191894U JP 1983088209 U JP1983088209 U JP 1983088209U JP 8820983 U JP8820983 U JP 8820983U JP S59191894 U JPS59191894 U JP S59191894U
- Authority
- JP
- Japan
- Prior art keywords
- collector
- transistor
- relay
- resistor
- base
- 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
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Control Of Electric Motors In General (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図は交流タコジェネレータを用いた従来袋 ′置
を例示したブロック図で、同図イは制御電源を別に設け
たものを示し、同図用よ交流タコジェネレークの出力を
直接制御電源としたものを示したものである。第２図は
従来の他の実施例を示したブロック図、第３図は交流タ
コジェネレータの負荷特性を説明する等価回路図、第４
図は第３図の、負荷特性を負荷抵抗のパラメータで示し
た曲線図、 ゛第５図は第２図の動作で説明する
出力電圧特性図、第６図は本考案の実施例を示すブロッ
ク図、第７図は第６図の出力電圧特性図である。
１：交流タコジェネレータ、２，３：制御回路、Ｘ３：
’ＪリレーｚＤ３：リレー過励磁防止用定電圧ダイオ
ード、ＶＩＲ３：可変抵抗、ＺＤ４：検出用定電圧ダイ
オード、Ｑｌ：第１のトランジスタ、Ｑ２：第２のトラ
ンジスタ、Ｒ２：コレクタ抵抗、ＤＢ３：整流器、Ｃ３
：平滑用コンデンサ。Figure 1 is a block diagram illustrating a conventional bag installation using an AC tacho generator. This shows what was done. Fig. 2 is a block diagram showing another conventional embodiment, Fig. 3 is an equivalent circuit diagram explaining the load characteristics of an AC tachogenerator, and Fig. 4 is an equivalent circuit diagram illustrating the load characteristics of an AC tacho generator.
The figure is a curve diagram showing load characteristics in terms of load resistance parameters in Figure 3, Figure 5 is an output voltage characteristic diagram explained using the operation in Figure 2, and Figure 6 is a block diagram showing an embodiment of the present invention. 7 is an output voltage characteristic diagram of FIG. 6. 1: AC tacho generator, 2, 3: control circuit, X3:
'J relay zD3: constant voltage diode for relay overexcitation prevention, VIR3: variable resistor, ZD4: constant voltage diode for detection, Ql: first transistor, Q2: second transistor, R2: collector resistor, DB3: rectifier, C3
: Smoothing capacitor.
Claims (1)
出力端から接続された整流器の出力端子間に、リレー過
励磁防止用定電圧ダイオードと平滑用コンデンサと可変
抵抗とを並列に挿入し、上記可変抵抗の摺動子に、検出
用定電圧ダイオードを介して第１のトランジスタのベー
スを接続し、この第１のトランジスタのコレクタ・エミ
ッタ間を、コレクタはリレーを介して上記整流器の出力
端子間に挿入し、エミッタが上記第１のトランジスタの
エミッタと共通接続した第２のトランジスタのベースを
ベース抵抗を介して第１のトランジスタのコレクタに接
続し、この第２のトランジスタのコレクタを上記リレー
のコイル抵抗と同じ値を有したコレクタ抵抗を介してリ
レーと共通接続し、交流タコジェネレータの負荷を一定
にしてモータの回転数の低下を検出するようにしたこと
を特徴とするモータの異常検出装置。A constant voltage diode for relay overexcitation prevention, a smoothing capacitor, and a variable resistor are inserted in parallel between the output terminal of an AC tachogenerator connected to the motor rotor and the output terminal of a rectifier connected to the The base of a first transistor is connected to the slider via a detection constant voltage diode, and the collector is inserted between the collector and emitter of the first transistor, and the collector is inserted between the output terminals of the rectifier via a relay. , the base of a second transistor whose emitter is commonly connected to the emitter of the first transistor is connected to the collector of the first transistor via a base resistor, and the collector of this second transistor is connected to the coil resistor of the relay. A motor abnormality detection device, characterized in that it is commonly connected to a relay via a collector resistor having the same value, and detects a decrease in the rotational speed of the motor while keeping the load of an AC tachogenerator constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983088209U JPS59191894U (en) | 1983-06-08 | 1983-06-08 | Motor abnormality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983088209U JPS59191894U (en) | 1983-06-08 | 1983-06-08 | Motor abnormality detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59191894U true JPS59191894U (en) | 1984-12-19 |
| JPS6345839Y2 JPS6345839Y2 (en) | 1988-11-29 |
Family
ID=30218118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983088209U Granted JPS59191894U (en) | 1983-06-08 | 1983-06-08 | Motor abnormality detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59191894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6445440U (en) * | 1987-09-14 | 1989-03-20 |
-
1983
- 1983-06-08 JP JP1983088209U patent/JPS59191894U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6445440U (en) * | 1987-09-14 | 1989-03-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6345839Y2 (en) | 1988-11-29 |
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