JPH0480269U - - Google Patents
Info
- Publication number
- JPH0480269U JPH0480269U JP12391790U JP12391790U JPH0480269U JP H0480269 U JPH0480269 U JP H0480269U JP 12391790 U JP12391790 U JP 12391790U JP 12391790 U JP12391790 U JP 12391790U JP H0480269 U JPH0480269 U JP H0480269U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- temperature
- stator winding
- value
- phase difference
- 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
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000016507 interphase Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例にかかる温度監視装置
を示すブロツク回路図、第２図は従来温度監視装
置を示すブロツク回路図である。
Ｍ……電動機、Ａ……監視盤、１ｕ，１ｖ，１
ｗ……温度センサ、ＳＷ１，ＳＷ２……相切替ス
イツチ、ＳＷ３……相間切替スイツチ、２，１２
……切替回路、３，３ｕ，３ｖ，３ｗ……増幅器
、４……表示器、５，１５……基準値設定回路、
６，１６……比較器、７，１７……警報表示器。
FIG. 1 is a block circuit diagram showing a temperature monitoring device according to an embodiment of the present invention, and FIG. 2 is a block circuit diagram showing a conventional temperature monitoring device. M...Electric motor, A...Monitoring panel, 1u, 1v, 1
w...Temperature sensor, SW1, SW2...Phase changeover switch, SW3...Interphase changeover switch, 2,12
...Switching circuit, 3, 3u, 3v, 3w...Amplifier, 4...Display device, 5,15...Reference value setting circuit,
6, 16... Comparator, 7, 17... Alarm indicator.
Claims (1)
この出力を夫々増幅器で増幅した各相固定子巻線
温度検出値を用いて各相固定子巻線温度を監視す
るものにおいて 前記各増幅器の出力側に相間切替スイツチを介
して接続される相間差検出回路と、この相間差検
出回路の検出値を相間差基準値と比較する比較回
路を設け、相間温度のバランスを監視しうるよう
にしたことを特徴とする相間バランスチエツク機
能付温度監視装置。[Scope of claim for utility model registration] A temperature sensor is provided for each stator winding of each phase of the motor,
In a device that monitors the stator winding temperature of each phase using the detected stator winding temperature value of each phase obtained by amplifying this output with an amplifier, the phase difference is connected to the output side of each amplifier via an interphase changeover switch. 1. A temperature monitoring device with a phase-to-phase balance check function, comprising a detection circuit and a comparison circuit for comparing the detected value of the phase-to-phase difference detection circuit with a reference phase-to-phase difference value, thereby monitoring the balance of temperature between the phases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12391790U JPH0480269U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12391790U JPH0480269U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480269U true JPH0480269U (en) | 1992-07-13 |
Family
ID=31871599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12391790U Pending JPH0480269U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005025923A1 (en) * | 2003-09-16 | 2006-11-16 | アイシン・エィ・ダブリュ株式会社 | Control device for motor for driving vehicle |
-
1990
- 1990-11-26 JP JP12391790U patent/JPH0480269U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005025923A1 (en) * | 2003-09-16 | 2006-11-16 | アイシン・エィ・ダブリュ株式会社 | Control device for motor for driving vehicle |