JPS6181737U - - Google Patents
Info
- Publication number
- JPS6181737U JPS6181737U JP16539884U JP16539884U JPS6181737U JP S6181737 U JPS6181737 U JP S6181737U JP 16539884 U JP16539884 U JP 16539884U JP 16539884 U JP16539884 U JP 16539884U JP S6181737 U JPS6181737 U JP S6181737U
- Authority
- JP
- Japan
- Prior art keywords
- light
- heat
- electrical machine
- rotating electrical
- sensitive tape
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Protection Of Generators And Motors (AREA)
Description
第1図は本考案の一実施例に係る回路構成図、
第2図は第1図の回路構成が適用されて成る電動
機の一部切欠いた正面図、第3図は第2図中の矢
印方向からみた部分断面図、第4図は他の実施
例を示すブロツク図、第5図は従来例としての電
動機の部分断面図である。
20,68……過負荷検出装置、22……回転
電機としての電動機、34……発光手段としての
発光ダイオード、38……受光手段としてのフオ
トトランジスタ、46……比較手段としての比較
器、62……回転子装着用シヤフト、64……感
熱テープとしての液晶表示テープ、74……比較
手段としてのマイクロコンピユータ。
FIG. 1 is a circuit configuration diagram according to an embodiment of the present invention,
Fig. 2 is a partially cutaway front view of an electric motor to which the circuit configuration of Fig. 1 is applied, Fig. 3 is a partial sectional view taken in the direction of the arrow in Fig. 2, and Fig. 4 shows another embodiment. The block diagram shown in FIG. 5 is a partial sectional view of a conventional electric motor. 20, 68... Overload detection device, 22... Electric motor as rotating electric machine, 34... Light emitting diode as light emitting means, 38... Phototransistor as light receiving means, 46... Comparator as comparison means, 62 . . . Shaft for mounting rotor, 64 . . . Liquid crystal display tape as heat-sensitive tape, 74 . . . Microcomputer as comparison means.
Claims (1)
貼着され且つ該シヤフトの温度に対応した色彩に
変化する感熱テープと、この感熱テープを光照射
する発光手段と、上記感熱テープからの反射光を
受光する受光手段と、回転電機が過負荷になつた
ときに得られる前記感熱テープの色彩に対応した
前記受光手段の出力と予め設定した基準値とを比
較する比較手段とを備え、この比較手段の出力に
よつて回転電機の過負荷状態を検出することを特
徴とした回転電機の過負荷検出装置。 A heat-sensitive tape that is affixed to a predetermined location on a shaft for mounting a rotor of a rotating electrical machine and that changes color depending on the temperature of the shaft; a light-emitting means that irradiates the heat-sensitive tape with light; and a light-emitting means that emits light reflected from the heat-sensitive tape. A light-receiving means for receiving light, and a comparison means for comparing an output of the light-receiving means corresponding to the color of the heat-sensitive tape obtained when the rotating electric machine is overloaded with a preset reference value, the comparison means An overload detection device for a rotating electrical machine, characterized in that an overload state of the rotating electrical machine is detected by the output of the rotating electrical machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984165398U JPH0134523Y2 (en) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984165398U JPH0134523Y2 (en) | 1984-10-31 | 1984-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6181737U true JPS6181737U (en) | 1986-05-30 |
JPH0134523Y2 JPH0134523Y2 (en) | 1989-10-20 |
Family
ID=30723250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984165398U Expired JPH0134523Y2 (en) | 1984-10-31 | 1984-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0134523Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101938220B1 (en) * | 2014-01-27 | 2019-01-14 | 엘에스산전 주식회사 | Analog current output module |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55120324A (en) * | 1979-03-09 | 1980-09-16 | Hitachi Ltd | Rotor temperature malfunction detector for rotary electric machine |
-
1984
- 1984-10-31 JP JP1984165398U patent/JPH0134523Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55120324A (en) * | 1979-03-09 | 1980-09-16 | Hitachi Ltd | Rotor temperature malfunction detector for rotary electric machine |
Also Published As
Publication number | Publication date |
---|---|
JPH0134523Y2 (en) | 1989-10-20 |
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