JPH02103796U - - Google Patents

Info

Publication number
JPH02103796U
JPH02103796U JP744589U JP744589U JPH02103796U JP H02103796 U JPH02103796 U JP H02103796U JP 744589 U JP744589 U JP 744589U JP 744589 U JP744589 U JP 744589U JP H02103796 U JPH02103796 U JP H02103796U
Authority
JP
Japan
Prior art keywords
motor
output
frequency
speed
inverter 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.)
Pending
Application number
JP744589U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP744589U priority Critical patent/JPH02103796U/ja
Publication of JPH02103796U publication Critical patent/JPH02103796U/ja
Pending legal-status Critical Current

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Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Control Of Ac Motors In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の一実施例を示し、第1図はブロ
ツク図、第2図及び第3図はフローチヤートであ
る。 1……三相誘導モータ、3……インバータ回路
、16……CPU、17……周波数制御部、20
……電圧制御データ部、21……ベースドライブ
回路。
The drawings show an embodiment of the present invention, with FIG. 1 being a block diagram and FIGS. 2 and 3 being flowcharts. 1... Three-phase induction motor, 3... Inverter circuit, 16... CPU, 17... Frequency control section, 20
... Voltage control data section, 21 ... Base drive circuit.

Claims (1)

【実用新案登録請求の範囲】 インバータ回路3を介して三相交流を入力する
三相誘導モータ1により、扉を開閉駆動するよう
にした自動扉駆動装置であつて、 モータ1の起動時に、モータ1への交流出力の
周波数が低周波から徐々に高くなると共にモータ
1への交流出力の電圧が周波数に対応して一定値
以下に制限されるようにインバータ回路3を制御
する第1制御手段が設けられ、 モータ1の定速駆動時に、モータ1への交流出
力の周波数が一定になりかつモータ1への交流出
力の電圧をモータ1の回転速度が速いとき小にす
ると共にモータ1の回転速度が遅くなると大にす
べくインバータ回路3を制御する第2制御手段が
設けられていることを特徴とする自動扉駆動装置
[Scope of Claim for Utility Model Registration] An automatic door drive device configured to open and close a door by a three-phase induction motor 1 to which three-phase AC is input via an inverter circuit 3, wherein when the motor 1 is started, the motor A first control means controls the inverter circuit 3 so that the frequency of the AC output to the motor 1 gradually increases from a low frequency and the voltage of the AC output to the motor 1 is limited to a certain value or less corresponding to the frequency. When the motor 1 is driven at a constant speed, the frequency of the AC output to the motor 1 is constant, and the voltage of the AC output to the motor 1 is reduced when the rotation speed of the motor 1 is high, and the rotation speed of the motor 1 is An automatic door driving device characterized in that a second control means is provided for controlling an inverter circuit 3 to increase the speed when the speed becomes slow.
JP744589U 1989-01-24 1989-01-24 Pending JPH02103796U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP744589U JPH02103796U (en) 1989-01-24 1989-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP744589U JPH02103796U (en) 1989-01-24 1989-01-24

Publications (1)

Publication Number Publication Date
JPH02103796U true JPH02103796U (en) 1990-08-17

Family

ID=31212457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP744589U Pending JPH02103796U (en) 1989-01-24 1989-01-24

Country Status (1)

Country Link
JP (1) JPH02103796U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62155795A (en) * 1985-12-27 1987-07-10 Mitsubishi Electric Corp Inverter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62155795A (en) * 1985-12-27 1987-07-10 Mitsubishi Electric Corp Inverter

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