JPH02112696U - - Google Patents
Info
- Publication number
- JPH02112696U JPH02112696U JP1965489U JP1965489U JPH02112696U JP H02112696 U JPH02112696 U JP H02112696U JP 1965489 U JP1965489 U JP 1965489U JP 1965489 U JP1965489 U JP 1965489U JP H02112696 U JPH02112696 U JP H02112696U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- turned
- timer
- relay
- power source
- 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
- 230000003111 delayed effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の一実施例の回路図である。
図中、２は巻上電動機、３は巻上ブレーキ、４
はインバータ、５は周波数設定用ＶＲである。
FIG. 1 is a circuit diagram of an embodiment of the present invention. In the figure, 2 is a hoisting motor, 3 is a hoisting brake, and 4 is a hoisting motor.
is an inverter, and 5 is a frequency setting VR.
Claims (1)
上記電源に解除スイツチを介して接続されるブレ
ーキとを備え、上記インバータには周波数設定器
が接続されるインバータホイストにおいて、 上記電源に互いに並列接続された上昇スイツチ
及び下降スイツチそれぞれに個別のリレーを接続
し、このリレーのオン・オフにて上記インバータ
をモータ運転モードと停止モードにすると共に、
上記リレーのオン及びインバータのラン信号と上
記リレーのオフにて即投入・遅延切断されるタイ
マを備え、このタイマの接点のオン・オフにて上
記ブレーキの解除スイツチをオン・オフし、 上記リレーのオフ時点から上記タイマの遅延切
断までの間補助リレーをオンし、インバータにて
上記モータを定格周波数又はそれ以下にて運転す
ることを特徴とするインバータホイスト。[Claims for Utility Model Registration] An inverter hoist comprising a motor connected to a power source via an inverter, a brake connected to the power source via a release switch, and a frequency setting device connected to the inverter, A separate relay is connected to each of the up switch and down switch that are connected in parallel to the power source, and the inverter is set in motor operation mode and stop mode by turning on and off these relays, and
The above relay is equipped with a timer that is immediately turned on or delayed cut off when the relay is turned on and the inverter's run signal is turned off. An inverter hoist characterized in that an auxiliary relay is turned on from the time when the timer is turned off until the timer is delayed and the timer is turned off, and the inverter operates the motor at a rated frequency or lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989019654U JPH079892Y2 (en) | 1989-02-23 | 1989-02-23 | Inverter hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989019654U JPH079892Y2 (en) | 1989-02-23 | 1989-02-23 | Inverter hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02112696U true JPH02112696U (en) | 1990-09-10 |
| JPH079892Y2 JPH079892Y2 (en) | 1995-03-08 |
Family
ID=31235355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989019654U Expired - Lifetime JPH079892Y2 (en) | 1989-02-23 | 1989-02-23 | Inverter hoist |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079892Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57102498A (en) * | 1980-12-18 | 1982-06-25 | Mitsubishi Electric Corp | Method of controlling electromagnetic brake for hoist |
| JPS6194999A (en) * | 1984-10-17 | 1986-05-13 | 株式会社 キト− | Speed controller for electric chain block with electric trolley |
-
1989
- 1989-02-23 JP JP1989019654U patent/JPH079892Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57102498A (en) * | 1980-12-18 | 1982-06-25 | Mitsubishi Electric Corp | Method of controlling electromagnetic brake for hoist |
| JPS6194999A (en) * | 1984-10-17 | 1986-05-13 | 株式会社 キト− | Speed controller for electric chain block with electric trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079892Y2 (en) | 1995-03-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |