JPS627789U - - Google Patents
Info
- Publication number
- JPS627789U JPS627789U JP9659285U JP9659285U JPS627789U JP S627789 U JPS627789 U JP S627789U JP 9659285 U JP9659285 U JP 9659285U JP 9659285 U JP9659285 U JP 9659285U JP S627789 U JPS627789 U JP S627789U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inverter
- switch
- output
- converter circuit
- 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
- 230000005856 abnormality Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図はこの考案の一実施例を示すインバータ
装置の回路構成図、第２図は従来のインバータ装
置の回路構成図である。
図において、１は３相入力交流電源、２はコン
バータ回路、３はａ接点、４は電磁接触器、５は
抵抗、６は平滑コンデンサ、７はインバータ回路
、８はモーター、９は不足電圧検出回路、１０は
補助接点、１１は絶縁伝達素子、１２は電流制限
抵抗、１３はリセツト及び異常解除回路である。
FIG. 1 is a circuit diagram of an inverter device showing an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional inverter device. In the figure, 1 is a 3-phase input AC power supply, 2 is a converter circuit, 3 is an a contact, 4 is a magnetic contactor, 5 is a resistor, 6 is a smoothing capacitor, 7 is an inverter circuit, 8 is a motor, and 9 is an undervoltage detection 10 is an auxiliary contact, 11 is an insulated transmission element, 12 is a current limiting resistor, and 13 is a reset and abnormality release circuit.
Claims (1)
流に変換するインバータ回路と、該直流電圧のレ
ベルにより該インバータ回路を制御する不足電圧
検出回路とを備えたインバータ装置において、前
記コンバータ回路と該コンバータ回路の直流出力
を平滑する平滑コンデンサ間にスイツチを設け、
該スイツチと並列に電流抑制素子を接続し、かつ
該スイツチの動作を絶縁伝達素子によつて検出す
ると共に、該スイツチが閉成した時には前記イン
バータ装置を通常運転し、また開放時には該イン
バータ装置が異常信号を出力して運転を停止し、
該インバータ装置が異常信号を出力して停止して
いる時には該スイツチが投入されるとインバータ
装置をリセツトして初期状態から運転を開始する
リセツト及び異常解除回路を設けたことを特徴と
するインバータの制御回路。 (2) 前記スイツチの動作を検出する絶縁伝達素
子の出力と、前記コンバータ回路の直流不足電圧
を検出する不足電圧検出回路の出力を入力信号と
する論理和回路を前記リセツト及び異常解除回路
に設けたことを特徴とする実用新案登録請求の範
囲第１項記載のインバータの制御回路。[Claims for Utility Model Registration] (1) An inverter device comprising an inverter circuit that converts DC power output from a converter circuit into AC, and an undervoltage detection circuit that controls the inverter circuit based on the level of the DC voltage. A switch is provided between the converter circuit and a smoothing capacitor for smoothing the DC output of the converter circuit,
A current suppressing element is connected in parallel with the switch, and the operation of the switch is detected by an insulation transfer element, and when the switch is closed, the inverter device is operated normally, and when the switch is open, the inverter device is operated normally. Outputs an abnormal signal and stops operation,
An inverter characterized by being provided with a reset and abnormality release circuit that resets the inverter and starts operation from an initial state when the switch is turned on when the inverter outputs an abnormality signal and is stopped. control circuit. (2) The reset and abnormality release circuit is provided with an OR circuit whose input signals are the output of the insulated transfer element that detects the operation of the switch and the output of the undervoltage detection circuit that detects the DC undervoltage of the converter circuit. An inverter control circuit according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985096592U JPH0747998Y2 (en) | 1985-06-27 | 1985-06-27 | Inverter control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985096592U JPH0747998Y2 (en) | 1985-06-27 | 1985-06-27 | Inverter control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS627789U true JPS627789U (en) | 1987-01-17 |
| JPH0747998Y2 JPH0747998Y2 (en) | 1995-11-01 |
Family
ID=30962494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985096592U Expired - Lifetime JPH0747998Y2 (en) | 1985-06-27 | 1985-06-27 | Inverter control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747998Y2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119928A (en) * | 1975-04-14 | 1976-10-20 | Hitachi Ltd | Inverter protecting device |
| JPS5615397A (en) * | 1979-07-16 | 1981-02-14 | Hoechst Co American | Water flat board finishing agent and method of finishing developed flat board |
| JPS56153978A (en) * | 1980-04-28 | 1981-11-28 | Mitsubishi Electric Corp | Inverter circuit |
| JPS57208870A (en) * | 1981-06-15 | 1982-12-22 | Toyo Electric Mfg Co Ltd | Protective device for service interruption of voltage type inverter |
| JPS598293U (en) * | 1982-07-02 | 1984-01-19 | 富士電機株式会社 | semiconductor conversion equipment |
| JPS59185170A (en) * | 1983-04-05 | 1984-10-20 | Hitachi Ltd | Control system for inverter |
-
1985
- 1985-06-27 JP JP1985096592U patent/JPH0747998Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119928A (en) * | 1975-04-14 | 1976-10-20 | Hitachi Ltd | Inverter protecting device |
| JPS5615397A (en) * | 1979-07-16 | 1981-02-14 | Hoechst Co American | Water flat board finishing agent and method of finishing developed flat board |
| JPS56153978A (en) * | 1980-04-28 | 1981-11-28 | Mitsubishi Electric Corp | Inverter circuit |
| JPS57208870A (en) * | 1981-06-15 | 1982-12-22 | Toyo Electric Mfg Co Ltd | Protective device for service interruption of voltage type inverter |
| JPS598293U (en) * | 1982-07-02 | 1984-01-19 | 富士電機株式会社 | semiconductor conversion equipment |
| JPS59185170A (en) * | 1983-04-05 | 1984-10-20 | Hitachi Ltd | Control system for inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747998Y2 (en) | 1995-11-01 |
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