JPH01180197U - - Google Patents

Info

Publication number
JPH01180197U
JPH01180197U JP7463488U JP7463488U JPH01180197U JP H01180197 U JPH01180197 U JP H01180197U JP 7463488 U JP7463488 U JP 7463488U JP 7463488 U JP7463488 U JP 7463488U JP H01180197 U JPH01180197 U JP H01180197U
Authority
JP
Japan
Prior art keywords
inverter
motor
valve
rotation
potentiometer
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
JP7463488U
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 JP7463488U priority Critical patent/JPH01180197U/ja
Publication of JPH01180197U publication Critical patent/JPH01180197U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electrically Driven Valve-Operating Means (AREA)
  • Control Of Ac Motors In General (AREA)

Description

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

第１図は実施例を示す説明図、第２図は他の実
施例の要部を示す説明図、第３，４図は速度調整
器の可変抵抗器の可動機構例を示す斜視図、第５
図は可変抵抗器の角度と抵抗値の関係例を示す説
明図、第６図は実施例による弁開度のタイムヒス
トリーを示す説明図である。 １：誘導電動機、２：弁駆動出力軸、３：イン
バータ、４：制御回路、５：速度調整器、８：リ
ミツトスイツチ群、１０：回転軸、５０，５１：
可変抵抗器。 Fig. 1 is an explanatory diagram showing an embodiment, Fig. 2 is an explanatory diagram showing main parts of another embodiment, Figs. 3 and 4 are perspective views showing an example of a movable mechanism of a variable resistor of a speed regulator; 5
The figure is an explanatory diagram showing an example of the relationship between the angle and resistance value of a variable resistor, and FIG. 6 is an explanatory diagram showing a time history of the valve opening according to the embodiment. 1: Induction motor, 2: Valve drive output shaft, 3: Inverter, 4: Control circuit, 5: Speed regulator, 8: Limit switch group, 10: Rotating shaft, 50, 51:
Variable resistor.

Claims (1)

【実用新案登録請求の範囲】 (1) バルブを開閉駆動する交流電動機をインバ
ータで作動させるとともに、バルブ開閉の始動・
停止信号及びバルブの全開・全閉・開トルク・閉
トルク等の限度設定検出信号でインバータの作動
・停止を行わせる制御回路の他に、交流電動機の
回転速度を変えるインバータ制御を行う速度調整
器を備えたことを特徴とする電動バルブアクチユ
エータ。 (2) 速度調整器がバルブの駆動軸の一部からそ
の回転を取り出して駆動させられるポテンシヨメ
ータで、同ポテンシヨメータでインバータを制御
して連続的に交流電動機の回転を変える請求項１
記載の電動バルブアクチユエータ。[Claims for Utility Model Registration] (1) In addition to operating the AC motor that drives the opening and closing of the valve with an inverter,
In addition to the control circuit that operates and stops the inverter based on the stop signal and limit setting detection signals such as valve fully open, fully closed, open torque, and close torque, this is a speed regulator that controls the inverter to change the rotational speed of the AC motor. An electric valve actuator characterized by being equipped with. (2) Claim 1 in which the speed regulator is a potentiometer that is driven by extracting the rotation from a part of the drive shaft of the valve, and the potentiometer controls an inverter to continuously change the rotation of the AC motor.
Electric valve actuator as described.
JP7463488U 1988-06-04 1988-06-04 Pending JPH01180197U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7463488U JPH01180197U (en) 1988-06-04 1988-06-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7463488U JPH01180197U (en) 1988-06-04 1988-06-04

Publications (1)

Publication Number Publication Date
JPH01180197U true JPH01180197U (en) 1989-12-25

Family

ID=31299737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7463488U Pending JPH01180197U (en) 1988-06-04 1988-06-04

Country Status (1)

Country Link
JP (1) JPH01180197U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012522940A (en) * 2009-04-01 2012-09-27 ダンフォス アクチ−セルスカブ How to operate the valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192375A (en) * 1984-10-12 1986-05-10 Matsushita Electric Ind Co Ltd Control device of electrically driven expansion valve in air conditioning machine
JPS6155566B2 (en) * 1982-01-18 1986-11-28 Kawasaki Steel Co

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155566B2 (en) * 1982-01-18 1986-11-28 Kawasaki Steel Co
JPS6192375A (en) * 1984-10-12 1986-05-10 Matsushita Electric Ind Co Ltd Control device of electrically driven expansion valve in air conditioning machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012522940A (en) * 2009-04-01 2012-09-27 ダンフォス アクチ−セルスカブ How to operate the valve

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