JPH0321079U - - Google Patents
Info
- Publication number
- JPH0321079U JPH0321079U JP8121589U JP8121589U JPH0321079U JP H0321079 U JPH0321079 U JP H0321079U JP 8121589 U JP8121589 U JP 8121589U JP 8121589 U JP8121589 U JP 8121589U JP H0321079 U JPH0321079 U JP H0321079U
- Authority
- JP
- Japan
- Prior art keywords
- main circuit
- elevator
- detecting
- detection device
- failure detection
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 10
- 230000005856 abnormality Effects 0.000 claims 6
- 230000005284 excitation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Description
第１図は本考案の一実施例の系統図、第２図は
第１図のフローチヤート、第３図は第２図のフロ
ーチヤート、第４図は他の実施例の系統図である
。
１００……導通故障検出器、ＩＮＶ……インバ
ータ、Ｃ……平滑コンデンサ、ＴＲＳ７……回生
電力消費回路用トランジスタ。
FIG. 1 is a system diagram of one embodiment of the present invention, FIG. 2 is a flowchart of FIG. 1, FIG. 3 is a flowchart of FIG. 2, and FIG. 4 is a system diagram of another embodiment. 100... Continuity fault detector, INV... Inverter, C... Smoothing capacitor, TRS 7 ... Transistor for regenerative power consumption circuit.
Claims (1)
び検出手段と、前記エレベータを駆動する電圧形
インバータ装置と、前記電圧形インバータの主回
路の異常を検出する手段とを備えたものにおいて
、 前記呼び検出手段の動作により所定時間呼びが
無い状態を検出した時、前記主回路の異常を検出
する手段を強制的に変化させる手段を備えたこと
を特徴とする交流エレベータの主回路故障検出装
置。 ２ 請求項１において、 前記主回路の異常とは、前記主回路電圧が所定
値以下であることを特徴とする交流エレベータの
主回路故障検出装置。 ３ 請求項１において、前記エレベータを駆動す
る電動機の回生電力を消費する手段と、導通故障
を検出する手段とを前記インバーター主回路に備
えた交流エレベータの主回路故障検出装置。 ４ 請求項１において、 前記主回路の異常を検出する手段を強制的に変
化させる手段とは、前記インバータを動作させて
電動機に所定の電流を通電するものであることを
特徴とする交流エレベータの主回路故障検出装置
。 ５ 請求項４において、 電動機に流す電流は直流であることを特徴とす
る交流エレベータの主回路故障検出装置。 ６ 請求項４において、 所定の電流とは、電動機の励磁電流より大きな
値であることを特徴とする交流エレベータの主回
路故障検出装置。 ７ 請求項１において、 前記主回路の異常を検出する手段を強制的に変
化させる手段とは、電圧形インバータ主回路の平
滑コンデンサの電荷を放電するように構成したも
のである交流エレベータの主回路故障検出装置。 ８ 請求項１において、 前記主回路の異常を検出する手段を強制的に変
化させる手段が動作している間は、前記エレベー
タを停止させることを特徴する交流エレベータの
主回路故障検出装置。 ９ 請求項３において、 前記エレベータの呼びが所定時間無い時に、回
生電力を消費する手段を強制的に動作させて、導
通故障検出する手段の信号を強制的に変化させる
交流エレベータの主回路故障検出装置。[Claims for Utility Model Registration] 1. An elevator that serves multiple floors, a call detection means, a voltage source inverter device for driving the elevator, and a means for detecting an abnormality in the main circuit of the voltage source inverter. An AC elevator, characterized in that the AC elevator comprises means for forcibly changing the means for detecting an abnormality in the main circuit when a state in which there is no call for a predetermined period of time is detected by the operation of the call detecting means. Main circuit failure detection device. 2. The main circuit failure detection device for an AC elevator according to claim 1, wherein the abnormality in the main circuit is that the main circuit voltage is below a predetermined value. 3. The main circuit failure detection device for an AC elevator according to claim 1, wherein the inverter main circuit includes means for consuming regenerated power of a motor that drives the elevator and means for detecting a continuity failure. 4. The AC elevator according to claim 1, wherein the means for forcibly changing the means for detecting an abnormality in the main circuit operates the inverter to supply a predetermined current to the electric motor. Main circuit failure detection device. 5. The main circuit failure detection device for an AC elevator according to claim 4, wherein the current flowing through the motor is a direct current. 6. The main circuit failure detection device for an AC elevator according to claim 4, wherein the predetermined current is a value larger than the excitation current of the motor. 7. In claim 1, the means for forcibly changing the means for detecting an abnormality in the main circuit is a main circuit of an AC elevator configured to discharge the charge of a smoothing capacitor of a voltage source inverter main circuit. Fault detection device. 8. The main circuit failure detection device for an AC elevator according to claim 1, wherein the elevator is stopped while the means for forcibly changing the means for detecting an abnormality in the main circuit is operating. 9. According to claim 3, main circuit failure detection for an AC elevator includes forcibly operating a means for consuming regenerative power and forcibly changing a signal of a means for detecting a continuity failure when the elevator is not called for a predetermined period of time. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8121589U JPH0321079U (en) | 1989-07-12 | 1989-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8121589U JPH0321079U (en) | 1989-07-12 | 1989-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321079U true JPH0321079U (en) | 1991-03-01 |
Family
ID=31626954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8121589U Pending JPH0321079U (en) | 1989-07-12 | 1989-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321079U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002003112A (en) * | 2000-06-21 | 2002-01-09 | Toshiba Corp | Method and apparatus for testing control device of elevator |
| WO2008111151A1 (en) * | 2007-03-12 | 2008-09-18 | Mitsubishi Electric Corporation | Elevator controller |
| JP2011111287A (en) * | 2009-11-27 | 2011-06-09 | Hitachi Ltd | Elevator guide display system and method |
-
1989
- 1989-07-12 JP JP8121589U patent/JPH0321079U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002003112A (en) * | 2000-06-21 | 2002-01-09 | Toshiba Corp | Method and apparatus for testing control device of elevator |
| WO2008111151A1 (en) * | 2007-03-12 | 2008-09-18 | Mitsubishi Electric Corporation | Elevator controller |
| JPWO2008111151A1 (en) * | 2007-03-12 | 2010-06-24 | 三菱電機株式会社 | Elevator control device |
| JP2011111287A (en) * | 2009-11-27 | 2011-06-09 | Hitachi Ltd | Elevator guide display system and method |
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