JPH0314995U - - Google Patents

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Publication number
JPH0314995U
JPH0314995U JP1989074581U JP7458189U JPH0314995U JP H0314995 U JPH0314995 U JP H0314995U JP 1989074581 U JP1989074581 U JP 1989074581U JP 7458189 U JP7458189 U JP 7458189U JP H0314995 U JPH0314995 U JP H0314995U
Authority
JP
Japan
Prior art keywords
command value
motor
current
current command
drive current
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
JP1989074581U
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 JP1989074581U priority Critical patent/JPH0314995U/ja
Publication of JPH0314995U publication Critical patent/JPH0314995U/ja
Pending legal-status Critical Current

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  • Control Of Electric Motors In General (AREA)

Description

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

第１図は本考案の一実施例の構成図、第２図お
よび第３図は第１図の装置の動作説明図、第４図
は本考案の他の実施例の構成図である。 １……モータ部、２……サーボドライバ部、２
１……トルクリミツタ、２２……電流制御部、２
４……制御演算部。 FIG. 1 is a block diagram of one embodiment of the present invention, FIGS. 2 and 3 are explanatory diagrams of the operation of the apparatus shown in FIG. 1, and FIG. 4 is a block diagram of another embodiment of the present invention. 1...Motor part, 2...Servo driver part, 2
1...Torque limiter, 22...Current control section, 2
4...Control calculation section.

Claims (1)

【実用新案登録請求の範囲】 モータのコイルに流れる駆動電流による発熱で
生じるモータの焼損を防止する装置において、 モータのトルク指令値を所定の制限値以下に制
限し、制限したトルク指令値に応じて駆動電流の
指令値を出力するトルクリミツタと、 この電流指令値に応じて駆動電流を制御する電
流制御部と、 前記電流指令値をもとにモータの温度を推定し
、推定値をもとに前記トルクリミツタの制限値を
調節する制御演算部、 を具備したモータの焼損防止装置。[Claim for Utility Model Registration] A device for preventing motor burnout caused by heat generation due to drive current flowing through the motor coil, which limits the torque command value of the motor to a predetermined limit value or less, and responds to the limited torque command value. a torque limiter that outputs a drive current command value based on the current command value; a current control unit that controls the drive current according to the current command value; and a current control unit that estimates the temperature of the motor based on the current command value and A burnout prevention device for a motor, comprising: a control calculation unit that adjusts a limit value of the torque limiter.
JP1989074581U 1989-06-26 1989-06-26 Pending JPH0314995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989074581U JPH0314995U (en) 1989-06-26 1989-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989074581U JPH0314995U (en) 1989-06-26 1989-06-26

Publications (1)

Publication Number Publication Date
JPH0314995U true JPH0314995U (en) 1991-02-14

Family

ID=31614396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989074581U Pending JPH0314995U (en) 1989-06-26 1989-06-26

Country Status (1)

Country Link
JP (1) JPH0314995U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046794A (en) * 1983-08-25 1985-03-13 Toshiba Corp Overload protecting device of motor
JPH01133586A (en) * 1987-11-16 1989-05-25 Fanuc Ltd Overload protection of motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046794A (en) * 1983-08-25 1985-03-13 Toshiba Corp Overload protecting device of motor
JPH01133586A (en) * 1987-11-16 1989-05-25 Fanuc Ltd Overload protection of motor

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