JPS61138397U - - Google Patents
Info
- Publication number
- JPS61138397U JPS61138397U JP1936185U JP1936185U JPS61138397U JP S61138397 U JPS61138397 U JP S61138397U JP 1936185 U JP1936185 U JP 1936185U JP 1936185 U JP1936185 U JP 1936185U JP S61138397 U JPS61138397 U JP S61138397U
- Authority
- JP
- Japan
- Prior art keywords
- thermal
- motor current
- circuit
- output
- setting
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Ac Motors In General (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案の一実施例におけるインバータ
装置の電子サーマル機能部の構成図、第２図は従
来のインバータ装置の電子サーマル機能部の構成
図である。
１……モータ電流検出回路、２……サーマル設
定回路、３……比較器、４……サーマルトリツプ
回路、６……ＬＥＤ。
FIG. 1 is a configuration diagram of an electronic thermal function section of an inverter device according to an embodiment of the present invention, and FIG. 2 is a configuration diagram of an electronic thermal function section of a conventional inverter device. 1... Motor current detection circuit, 2... Thermal setting circuit, 3... Comparator, 4... Thermal trip circuit, 6... LED.
Claims (1)
電子サーマル機能が働く電流値を設定するサーマ
ル設定回路と、このサーマル設定回路の出力と前
記モータ電流検出回路との出力を比較する比較手
段と、この比較手段からの信号にもとづきインバ
ータの出力をしや断するサーマルトリツプ回路と
、モータ電流がサーマル設定値を超えたことを表
示する表示手段とを備えたインバータ装置。 a motor current detection circuit that detects motor current;
A thermal setting circuit for setting a current value at which the electronic thermal function operates, a comparison means for comparing the output of the thermal setting circuit and the output of the motor current detection circuit, and an inverter output based on a signal from the comparison means. An inverter device equipped with a thermal trip circuit that disconnects the current and a display means that indicates that the motor current exceeds the thermal setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1936185U JPS61138397U (en) | 1985-02-14 | 1985-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1936185U JPS61138397U (en) | 1985-02-14 | 1985-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61138397U true JPS61138397U (en) | 1986-08-27 |
Family
ID=30508864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1936185U Pending JPS61138397U (en) | 1985-02-14 | 1985-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61138397U (en) |
-
1985
- 1985-02-14 JP JP1936185U patent/JPS61138397U/ja active Pending
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